Dell Optiplex SX280 Replacement Manual
Replacing motherboard
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Also See for Optiplex SX280:
- Quick reference manual (134 pages) ,
- User manual (96 pages) ,
- Quick reference manual (256 pages)
Related Manuals for Dell Optiplex SX280
Summary of Contents for Dell Optiplex SX280
- Page 1 Replacing Dell Optiplex SX280 Motherboard Replacing Dell Optiplex SX280 Motherboard Tools used in this guide Phillips #2 Screwdriver Remove the Motherboard from the computer. © 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 1 of 17...
- Page 2 Replacing Dell Optiplex SX280 Motherboard Step 1 - disassembly Panel Cover Make sure the computer is turned off, by selecting the start menu and choosing “Shut Do wn”. Ensure all cables, speakers and other devices are unplugged and turned off before opening the computer case.
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Page 3: Step 4 - Heat Sink
Replacing Dell Optiplex SX280 Motherboard Step 3 Slide the panel case forward about 1/2 inch while knob is turned. Lift panel case off computer. Step 4 - Heat Sink Remove the large blue cover from the computer, there are no screws or tabs keeping it in place. - Page 4 Replacing Dell Optiplex SX280 Motherboard Step 5 Press down on the release tab above the heat sink. Step 6 Pull the heat sink out of the computer while pressing on the release tab. © 2010 iFixit — CC BY-NC-SA www.iFixit.com...
- Page 5 Replacing Dell Optiplex SX280 Motherboard Step 7 - Upper Fan Remove the power supply that connects the upper fan to the motherboard. The power supply has black, red, green and yellow wires. Step 8 Remove the rubber grommets from the base of the fan.
- Page 6 Replacing Dell Optiplex SX280 Motherboard Step 9 Press on the blue release tab and pull the upper fan out of the computer. Step 10 - Lower Fan Remove the power supply that connects the lower fan to the motherboard, distinguished by it's black, red, green and yellow wires.
- Page 7 Replacing Dell Optiplex SX280 Motherboard Step 11 Remove the rubber grommets from the base of the fan. A spudger may be useful. Step 12 Press on the blue release tab and remove the fan. © 2010 iFixit — CC BY-NC-SA www.iFixit.com...
- Page 8 Replacing Dell Optiplex SX280 Motherboard Step 13 - RAM The RAM are the two green cards in the corner of the computer. At each end of the card, there are two white clips securing the RAM to the Motherboard. Step 14 Push down both white clips with your thumbs until you hear a click.
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Page 9: Step 15 - Hard Drive
Replacing Dell Optiplex SX280 Motherboard Step 15 - Hard Drive Unplug the blue cable that connects the hard drive to the motherboard. Step 16 Unplug the power supply, distinguished by its red and yellow wires. © 2010 iFixit — CC BY-NC-SA www.iFixit.com... - Page 10 Replacing Dell Optiplex SX280 Motherboard Step 17 Squeeze the release tabs on either side of the hard drive. Then slide the hard drive out of the computer while squeezing the tabs. Step 18 - Motherboard Unplug the cable that connects the hard drive to the Motherboard.
- Page 11 Replacing Dell Optiplex SX280 Motherboard Step 19 Press on the release tab and remove the motherboard speaker which is attached to the side of the tower. Step 20 Unplug the power cable attached to the motherboard speaker. Make sure to press on the release tab while removing the power cable.
- Page 12 Replacing Dell Optiplex SX280 Motherboard Step 21 Remove four screws located at the back of the computer tower. Step 22 Carefully detach the motherboard from the computer case. © 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 12 of 17...
- Page 13 Replacing Dell Optiplex SX280 Motherboard Step 23 Lift the motherboard from the rest of the computer case. Step 24 Unplug the cable that powers the hard drive, which has orange, red and yellow wires. Make sure to press the release tab while removing the cable.
- Page 14 Replacing Dell Optiplex SX280 Motherboard Step 25 Unplug the cable that powers the emergency shut off, distinguished by its red wires. Make sure to press on the release tab while removing the emergency shut off. Step 26 Remove two screws from the Hard Drive Stand.
- Page 15 Replacing Dell Optiplex SX280 Motherboard Step 27 Slide the Hard Drive Stand to left side. Remove the stand from the rest of the rear panel. Step 28 Remove the studs that support the Hard Drive Stand from the motherboard. The studs can be removed by hand.
- Page 16 Replacing Dell Optiplex SX280 Motherboard Step 29 Remove the four screws located on heat sink stand. The heat sink stand can now be lifted from the motherboard. Step 30 Remove the four screws holding the motherboard to the rear computer panel.
- Page 17 Replacing Dell Optiplex SX280 Motherboard Step 31 The motherboard can now be removed from the remaining panel. To reassemble your device, follow these instructions in reverse order. This document was last generated on Dec 15, 2010. © 2010 iFixit — CC BY-NC-SA www.iFixit.com...