Dell OptiPlex SX280 Operating and safety instructions

Other manuals for OptiPlex SX280

3

Table of contents

Other Dell Desktop manuals

Dell

Dell 114-0922 User manual

Dell

Dell OptiPlex 790 Mini-Tower User manual

Dell

Dell Precision T5500 User manual

Dell

Dell OptiPlex HUB User manual

Dell

Dell Dimension 8300 Series Manual

Dell

Dell E521 - Dimension Motherboard UW457 0UW457 User instructions

Dell

Dell Vostro 470 Owner's manual

Dell

Dell Inspiron 3662 User manual

Dell

Dell OptiPlex 790 Operating manual

Dell

Dell Precision WorkStation 210 User manual

Dell

Dell Vostro 220 - Vostro 220 Slim Desktop... User manual

Dell

Dell PRECISION WCM Technical manual

Dell

Dell D18M Operation and maintenance manual

Dell

Dell Precision Tower 7810 User manual

Dell

Dell Aurora R6 User manual

Dell

Dell OptiPlex HUB User manual

Dell

Dell Dimension 0T2148A00 Manual

Dell

Dell Precision WHM User manual

Dell

Dell OptiPlex 330 User manual

Dell

Dell Inspiron 3650 User manual

Dell

Dell Inspiron 23 User manual

Dell

Dell Inspiron 5720 User manual

Dell

Dell Dimension XPS Gen 4 User manual

Dell

Dell XPS /Dimension User manual

Popular Desktop manuals by other brands

HP

HP m9060n - Pavilion - Elite Quick setup

Asus

Asus E210 Series user guide

TotalFlow

TotalFlow uFLO user manual

HP

HP Presario SV7000 - Desktop PC manual

HP

HP ProDesk 400 G5 Maintenance and service guide

Logitech

Logitech MK320 quick start guide

Sony

Sony Vaio Series operating instructions

Sony

Sony VGC-LT32E - Vaio All-in-one Desktop Computer quick start

Alto

Alto MD 250 instruction manual

Lenovo

Lenovo ThinkCentre Edge 72 Manual

Lenovo

Lenovo ThinkStation D20 Manual

Arbor Technology

Arbor Technology FPC-7800 Series user manual

Sony

Sony VAIO VGX-TP1 Series user guide

Asus

Asus Eee Box B204 user manual

HP

HP Z1 specification

Everex

Everex eXplora user manual

Lenovo

Lenovo ThinkCentre M75e user guide

Compaq

Compaq iPAQ Internet Device user guide

Replacing Dell Optiplex SX280 Motherboard

Tools used in this guide

Phillips #2 Screwdriver (1)

Remove the Motherboard from the computer.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 1 of 17

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.

Step 2

Lay the computer on its side; you will see a blue knob.

Turn this knob 90 deg clockwise.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 2 of 17

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.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 3 of 17

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.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 4 of 17

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.

A spudger may be useful.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 5 of 17

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.

Make sure to press on the release tab while

removing the power supply.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 6 of 17

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.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 7 of 17

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.

The RAM cards can now be removed.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 8 of 17

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.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 9 of 17

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.

Replacing Dell Optiplex SX280 Motherboard

© 2010 iFixit — CC BY-NC-SA www.iFixit.com Page 10 of 17