Related Manuals for Dell Inspiron 7590 2in1
Summary of Contents for Dell Inspiron 7590 2in1
- Page 1 Inspiron 7590 2in1 Service Manual Regulatory Model: P84F Regulatory Type: P84F001 July 2021 Rev. A03...
- Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2019-2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
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Page 3: Table Of Contents
Contents Chapter 1: Before working inside your computer................8 Before you begin .................................8 Chapter 2: After working inside your computer................9 Chapter 3: Safety instructions.....................10 Electrostatic discharge—ESD protection........................10 ESD field service kit ................................11 Transporting sensitive components..........................12 Chapter 4: Recommended tools....................13 Chapter 5: Screw list........................ - Page 4 Procedure.....................................31 Post-requisites................................... 32 Chapter 14: Removing the power-adapter port................33 Prerequisites..................................33 Procedure....................................33 Chapter 15: Replacing the power-adapter port................34 Procedure....................................34 Post-requisites................................... 34 Chapter 16: Removing the I/O board................... 35 Prerequisites..................................35 Procedure....................................35 Chapter 17: Replacing the I/O board.................... 37 Procedure.................................... 37 Post-requisites...................................
- Page 5 Procedure..................................48 Procedure....................................49 Chapter 25: Replacing the hard drive..................52 Procedure....................................52 Replacing the speakers..............................54 Procedure..................................54 Post-requisites................................54 Chapter 26: Removing the touchpad................... 55 Procedure....................................55 Chapter 27: Replacing the touchpad.................... 57 Procedure....................................57 Chapter 28: Removing the speakers.................... 59 Prerequisites..................................59 Procedure....................................59 Chapter 29: Replacing the speakers....................
- Page 6 Chapter 36: Removing the keyboard.................... 74 Prerequisites..................................74 Procedure.................................... 74 Chapter 37: Replacing the keyboard.................... 77 Procedure ................................... 77 Post-requisites................................... 79 Chapter 38: Removing the power button with fingerprint reader..........80 Prerequisites..................................80 Procedure....................................80 Chapter 39: Replacing the power button with fingerprint reader..........82 Procedure ...................................82 Post-requisites...................................
- Page 7 System board built-in self-test (M-BIST)......................102 Display panel power rail built-in self-test (L-BIST)................... 102 Display panel built-in self-test (LCD-BIST)......................103 Outcome..................................103 Dell SupportAssist Pre-boot System Performance Check diagnostics.............. 104 SupportAssist diagnostics............................104 System-diagnostic lights..............................104 Recovering the operating system..........................105 Backup media and recovery options........................... 105 Drain residual flea power (perform hard reset).......................
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Page 8: Chapter 1: Before Working Inside Your Computer
Before working inside your computer NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin 1. Save and close all open files and exit all open applications. 2. Shut down your computer. Click Start > Power >... -
Page 9: Chapter 2: After Working Inside Your Computer
After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3. -
Page 10: Chapter 3: Safety Instructions
ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable. -
Page 11: Esd Field Service Kit
Always place parts in your hand, on the ESD mat, in the system, or inside an anti-static bag. ● Transporting Sensitive Components – When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Safety instructions... -
Page 12: Transporting Sensitive Components
It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components. -
Page 13: Chapter 4: Recommended Tools
Recommended tools The procedures in this document may require the following tools: ● Philips screwdriver #1 ● Flat-head screwdriver ● Plastic scribe Recommended tools... -
Page 14: Chapter 5: Screw List
Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced. -
Page 15: Chapter 6: Removing The Base Cover
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Loosen the two captive screws that secure the base cover to the palm-rest assembly. - Page 16 NOTE: Disconnect the battery cable only when you continue to remove other components from your computer. 5. Disconnect the battery cable from the system board. Removing the base cover...
- Page 17 Removing the base cover...
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Page 18: Chapter 7: Replacing The Base Cover
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Connect the battery cable to the system board, if applicable. - Page 19 3. Replace the seven screws (M2x4) that secure the base cover to the palm-rest assembly. 4. Tighten the two captive screws that secure the base cover to the palm-rest assembly. Replacing the base cover...
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Page 20: Chapter 8: Removing The Battery
● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell. - Page 21 5. Turn the computer over, open the display, and then press and hold the power button for five seconds to ground the system board. Removing the battery...
- Page 22 Removing the battery...
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Page 23: Chapter 9: Replacing The Battery
● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell. -
Page 24: Post-Requisites
Post-requisites Replace the base cover. Replacing the battery... -
Page 25: Chapter 10: Removing The Memory Modules
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover. - Page 26 Removing the memory modules...
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Page 27: Chapter 11: Replacing The Memory Modules
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Lift the flap to access the memory-module slot. 2. Align the notch on the memory module with the tab on the memory-module slot. -
Page 28: Post-Requisites
Post-requisites Replace the base cover. Replacing the memory modules... -
Page 29: Chapter 12: Removing The Wireless Card
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover. - Page 30 Removing the wireless card...
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Page 31: Chapter 13: Replacing The Wireless Card
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it. -
Page 32: Post-Requisites
Post-requisites Replace the base cover. Replacing the wireless card... -
Page 33: Chapter 14: Removing The Power-Adapter Port
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover. -
Page 34: Chapter 15: Replacing The Power-Adapter Port
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Place the power-adapter port into the slot on the palm-rest assembly. -
Page 35: Chapter 16: Removing The I/O Board
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover. - Page 36 Removing the I/O board...
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Page 37: Chapter 17: Replacing The I/O Board
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Slide the I/O board into the slots on the palm-rest assembly. -
Page 38: Post-Requisites
Post-requisites Replace the base cover. Replacing the I/O board... -
Page 39: Chapter 18: Removing The Fan
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the base cover. -
Page 40: Chapter 19: Replacing The Fan
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Using the alignment posts, place the fan on the palm-rest assembly. -
Page 41: Chapter 20: Removing The Solid-State Drive
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. -
Page 42: Procedure To Remove M.2 2280 Solid-State Drive
Procedure to remove M.2 2280 solid-state drive 1. Remove the two screws (M2x3) that secure the solid-state drive/Intel Optane storage module shield to the palm-rest assembly. 2. Slide and remove the solid-state drive/Intel Optane storage module shield from the solid-state drive slot. 3. -
Page 43: Chapter 21: Replacing The Solid-State Drive
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. -
Page 44: Procedure To Replace M.2 2280 Solid-State Drive
Procedure to replace M.2 2280 solid-state drive 1. Align the notch on the solid-state drive/Intel Optane storage module with the tab on the solid-state drive slot. 2. Slide the solid-state drive/Intel Optane storage module firmly into the solid-state drive slot at an angle. 3. -
Page 45: Post-Requisites
Post-requisites Replace the base cover. Replacing the solid-state drive... -
Page 46: Chapter 22: Removing The Coin-Cell Battery
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery. -
Page 47: Chapter 23: Replacing The Coin-Cell Battery
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Adhere the coin-cell battery to the palm-rest assembly. 2. Connect the coin-cell battery cable to the I/O board. -
Page 48: Chapter 24: Removing The Hard Drive
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. -
Page 49: Procedure
Procedure 1. Open the latch and disconnect the hard-drive cable from the system board. 2. Remove the three screws (M2x3) that secure the hard-drive assembly to the palm-rest assembly. 3. Lift the hard-drive assembly, along with its cable, off the palm-rest assembly. Removing the hard drive... - Page 50 4. Disconnect the interposer from the hard-drive assembly. 5. Remove the four screws (M3x3) that secure the hard-drive bracket to the hard drive. 6. Lift the hard drive off of the hard-drive bracket. Removing the hard drive...
- Page 51 Removing the hard drive...
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Page 52: Chapter 25: Replacing The Hard Drive
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. - Page 53 4. Align the screw holes on the hard-drive assembly with the screw holes on the palm-rest assembly. 5. Replace the three screws (M2x3) that secure the hard-drive assembly to the palm-rest assembly. 6. Connect the hard-drive cable to the system board. Replacing the hard drive...
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Page 54: Replacing The Speakers
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Using the alignment posts on the palm-rest assembly, place the left speaker on the palm-rest assembly. -
Page 55: Chapter 26: Removing The Touchpad
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Open the latch, and disconnect the touchpad cable from the system board. - Page 56 Removing the touchpad...
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Page 57: Chapter 27: Replacing The Touchpad
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Slide the touchpad into the slot on the palm-rest assembly. - Page 58 Replacing the touchpad...
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Page 59: Chapter 28: Removing The Speakers
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the base cover. -
Page 60: Chapter 29: Replacing The Speakers
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Using the alignment posts on the palm-rest assembly, place the left speaker on the palm-rest assembly. -
Page 61: Chapter 30: Removing The Heat Sink
After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it. -
Page 62: Chapter 31: Replacing The Heat Sink
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor. -
Page 63: Chapter 32: Removing The Display Assembly
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the base cover. - Page 64 6. Turn the computer over and remove the four screws (M2.5x4) that secure the display hinges to the I/O board and system board. 7. Lift the display assembly off the palm-rest assembly. Removing the display assembly...
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Page 65: Chapter 33: Replacing The Display Assembly
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure CAUTION: Place the computer on a soft and clean surface to avoid scratching the display. -
Page 66: Post-Requisites
Post-requisites 1. Replace the fan. 2. Replace the base cover. Replacing the display assembly... -
Page 67: Chapter 34: Removing The System Board
After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. - Page 68 3. Using the pull tab, disconnect the display cable from the system board. 4. Peel off the tape that secures the display cable to the system board. 5. Disconnect the power-adapter port cable from the system board. 6. Open the latch, and disconnect the keyboard-backlight cable from the system board. 7.
- Page 69 13. Remove the two screws (M2x2) that secure the system board to the palm-rest assembly. 14. Lift the system board off the palm-rest assembly. Removing the system board...
- Page 70 Removing the system board...
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Page 71: Chapter 35: Replacing The System Board
After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. - Page 72 6. Connect the speaker cable to the system board. 7. Slide the touchpad cable to the system board and close the latch to secure the cable. 8. Slide the keyboard cable to the system board and close the latch to secure the cable. 9.
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Page 73: Post-Requisites
Entering the Service Tag in the BIOS setup program 1. Turn on or restart your computer. 2. Press F2 when the Dell logo is displayed to enter the BIOS setup program. 3. Navigate to the Main tab and enter the Service Tag in the Service Tag Input field. -
Page 74: Chapter 36: Removing The Keyboard
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the base cover. - Page 75 3. Remove the 24 screws (M1.2x1.4) that secures the keyboard bracket to the keyboard. NOTE: Lift the plastic sheet on the keyboard bracket to access the screws. 4. Peel off the tapes that secure the keyboard bracket to the palm-rest assembly. 5.
- Page 76 6. Remove the 19 screws (M1.2x1.5) that secure the keyboard to the palm-rest assembly. 7. Lift the keyboard off the palm-rest assembly. Removing the keyboard...
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Page 77: Chapter 37: Replacing The Keyboard
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Align the screw holes on the keyboard with the screw holes on the palm-rest assembly. - Page 78 6. Replace the plastic sheet on the keyboard bracket. 7. Route the antenna cables through the routing guides on the keyboard bracket. 8. Adhere the tapes that secure the antenna cables to the keyboard bracket. Replacing the keyboard...
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Page 79: Post-Requisites
Post-requisites 1. Replace the system board. 2. Replace the power button with fingerprint reader 3. Replace the board. 4. Replace the display assembly. 5. Replace the fan. 6. Replace the speakers. 7. Replace the wireless card. 8. Replace the coin-cell battery. -
Page 80: Chapter 38: Removing The Power Button With Fingerprint Reader
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the base cover. - Page 81 Removing the power button with fingerprint reader...
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Page 82: Chapter 39: Replacing The Power Button With Fingerprint Reader
After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Place the fingerprint-reader cable on the keyboard bracket. 2. Adhere the fingerprint-reader cable to the keyboard bracket. - Page 83 4. Replace the fan. 5. Replace the speakers. 6. Replace the wireless card. 7. Replace the coin-cell battery. 8. Replace the hard drive. 9. Replace the solid-state drive. 10. Replace the memory modules. 11. Replace the battery. 12. Replace the base cover.
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Page 84: Chapter 40: Removing The Palm-Rest And Antenna Assembly
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the base cover. - Page 85 Removing the palm-rest and antenna assembly...
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Page 86: Chapter 41: Replacing The Palm-Rest And Antenna Assembly
Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Place the palm rest on a flat surface. Post-requisites 1. -
Page 87: Procedure
7. Replace the hard drive. 8. Replace the coin-cell battery. 9. Replace the solid-state drive. 10. Replace the board. 11. Replace the power-adapter port. 12. Replace the wireless card. 13. Replace the fan. 14. Replace the memory modules. 15. Replace the battery. 16. -
Page 88: Chapter 42: Device Drivers
Device drivers Intel Chipset Software Installation Utility In the Device Manager, check if the chipset driver is installed. Install the Intel chipset updates from www.dell.com/support. Video drivers In the Device Manager, check if the video driver is installed. Install the video driver update from www.dell.com/support. -
Page 89: Chapter 43: System Setup
Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: ● Access System Setup by pressing F2 key ●... -
Page 90: System Setup Options
● Removable Drive (if available) ● STXXXX Drive (if available) NOTE: XXX denotes the SATA drive number. ● Optical Drive (if available) ● SATA Hard Drive (if available) ● Diagnostics The boot sequence screen also displays the option to access the System Setup screen. System setup options NOTE: Depending on this computer and its installed devices, the items that are listed in this section may or may not be... - Page 91 Table 3. System setup options—System information menu (continued) Overview Memory Installed Displays the total computer memory installed. Memory Available Displays the total computer memory available. Memory Speed Displays the memory speed. Memory Channel Mode Displays single or dual channel mode. Memory Technology Displays the technology that is used for the memory.
- Page 92 Table 5. System setup options—System Configuration menu (continued) System Configuration Enable Audio Enables or disables all integrated audio controller. Default: ON. Enable Microphone Enables or disables microphone. Default: ON. Enable Internal Speaker Enables or disables internal speaker. Default: ON. USB Configuration Enable Boot Support Enables or disables booting from USB mass storage devices such as external hard drive, optical drive, and USB drive.
- Page 93 Table 6. System setup options—Video menu (continued) Video EcoPower Enables or disables EcoPower which increases the battery life by reducing the screen brightness when appropriate. Default: ON. Table 7. System setup options—Security menu Security Enable Admin Setup Lockout Enables or disables the user from entering BIOS Setup when an Admin Password is set.
- Page 94 Table 7. System setup options—Security menu (continued) Security Admin Password Sets, Changes, or deletes the administrator (admin) password (sometimes called the "setup" password). System Password Sets, Changes, or deletes the system password. Enable Master Password Lockout Enables or disables the master password support. Default: OFF.
- Page 95 Table 10. System setup options—Performance menu (continued) Performance Default: ON. Table 11. System setup options—Power Management menu Power Management Wake on AC Enables the computer to turn on and go to boot when AC power is supplied to the computer. Default: OFF.
- Page 96 Table 12. System setup options—Wireless menu (continued) Wireless Bluetooth Default: ON. Table 13. System setup options—POST Behavior menu POST Behavior Numlock Enable Enables or disables Numlock when the computer boots. Default: ON. Enable Adapter Warnings Enables the computer to display adapter warning messages during boot. Default: ON.
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Page 97: System And Admin Password
Dell Auto operating system Recovery Controls the automatic boot flow for SupportAssist System Resolution Console Threshold and for Dell operating system Recovery tool. Default: 2. SupportAssist operating system Recovery Enables or disables the boot flow for SupportAssist operating system Recovery tool in the even of certain system errors. -
Page 98: Assigning A System Setup Password
You can create a system password and a admin password to secure your computer. CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended. NOTE: System and admin password feature is disabled. -
Page 99: Clearing Bios (System Setup) And System Passwords
One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option. - Page 100 ● BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive ● AC power adapter that is connected to the computer ● Functional computer battery to flash the BIOS Perform the following steps to perform the BIOS update flash process from the F12 menu: CAUTION: Do not turn off the computer during the BIOS update process.
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Page 101: Chapter 44: Troubleshooting
● Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other computers with your computer. -
Page 102: System Board Built-In Self-Test (M-Bist)
Table 19. Functions M-Bist L-Bist Purpose Evaluates the health condition of the Checks if the system board is supplying system board. power to the LCD by performing an LCD Power Rail test. Trigger Press the <M> key and power button Integrated into the single LED error code diagnostics. -
Page 103: Display Panel Built-In Self-Test (Lcd-Bist)
Display panel built-in self-test (LCD-BIST) 1. Press and hold the D key and then press the power button. 2. Release both the D key and the power button when the computer begins POST. 3. The display panel begins to display a solid color, or cycling through different colors. NOTE: The sequence of colors may very due to different display panel vendor. -
Page 104: Dell Supportassist Pre-Boot System Performance Check Diagnostics
The following diagnostic light codes and recommended solutions are intended for Dell service technicians to troubleshoot problems. You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Troubleshooting... -
Page 105: Recovering The Operating System
It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures. -
Page 106: Wifi Power Cycle
NOTE: For more information about performing a hard reset, see the knowledge base article 000130881 www.dell.com/support. WiFi power cycle If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed.