Question about Dell Optiplex GX280 (99301) Motherboard

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I had a dell optiplex gx280. When the machine is turned on the cpu fan turn on and gets progressively faster and faster. Much faster and louder than it should to the extent that it is extremely alarming. The machine does not boot. No POST. No Beeps. No display.

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  • Dell Master
  • 27,725 Answers

Sounds like a PSU problem check all electrical connections that attach to your hard drive including IDE,SATA leads or simply replace them all and new PSU i would personally recomend you get a heavy duty PSU with plenty of wattage from problems that i have had you can bid and win on Ebay $30 PSU as i did
hope this helps

Posted on Jul 28, 2010

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Posted on Jan 02, 2017

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We have around 30 units of DELL Optiplex GX280 having mother board failure. It was more then 3 years old already. Once the turbo fan become noisy then it will gone dead.


May be serious. See if the power light goes amber after power up. I had (have - still siting in my basement) one that did same. Power up, fans sound like 747 taking off. Power light goes and stays amber. This is USUALLY caused by bad capacitors on the mother board. Known GX280 problem going back. If you look on the motherboard, the capacitors should have flat tops and not leaking. If the are rounded or leaking, the MB has probably gone bad.

I obviously can not be 100% sure about this as the unit is not here.

You can google "gx280 solid amber light loud fan" and see the issues. Here is one such link.

http://en.community.dell.com/support-forums/desktop/f/3514/p/19253544/19414291.aspx

Feb 16, 2011 | Dell OptiPlex 330 Desktop Desktop Computer...

1 Answer

I have dell optiplex gx280 computer.i am facing problem of CPU high fan speed when i turn on the PC.it goes to full noise like a jet fighter and nothing get appeared on the screen and fan continuously gone...


dells usually go full blast on power up then slow down to normal,sounds like fan is not responding to slow down signal i would try replacing fan, its got to be a dell fan

Jan 08, 2011 | Dell Optiplex GX280 (99301) Motherboard

2 Answers

I have a dell optiplex minitower that cpu fan run


its good to have faster fan for the processor to make the processor rurs cooler. but if you wish to have a slower amper level, and compatible for the pc.

Nov 07, 2009 | Computers & Internet

1 Answer

I have Dell GX280 system. My Fan produces more sounds and runs fast. System Hangs while processing and performs slow, causes processor nore hot. I pasted the Heat Sink Paste on processor that resuls in low...


More than likely your fan needs to be replaced. These small form factor Dells are know for problems like this. Warning! Do NOT attempt to blow out the CPU fan with canned air, as this will likely lodge dust particles in the axis of the fan causing it to drag and become louder!

Sep 09, 2009 | Dell OptiPlex GX280 PC Desktop

1 Answer

Optiplex gx280 won't boot and cpu fan goes faster


Sounds like a bad motherboard, I try resetting the bios , removing everything but the video , could be a bad power supply too (if you have one jump the wires in there as a test). you can buy those dell MBs cheap on fleabay.
Eric

Jul 30, 2009 | Dell Computers & Internet

2 Answers

Dell Optiplex GX280 - On power ON , no Fan movement no display


Confirm no leaking or bulging capacitors on your mothboard.
refer to here
http://en.wikipedia.org/wiki/Capacitor_plague

As this was a common problem with the GX280.
If found, you will need to replace the capacitors.

The other check is to make sure the heatsink is fitted correctly, perhaps reaply the thermal paste if you have any. I know that high temps would switch the GX280 off.

Jul 15, 2009 | Dell Optiplex GX280 (99301) Motherboard

1 Answer

CPU Fan Failure on Startup


if you have tried changing the fan then the problem is with the motherboard & motherboard needs to be replaced.

Apr 25, 2009 | Dell OptiPlex GX280 PC Desktop

2 Answers

Dell GX280 High Speed Fan and No Display.


i had same problem today and i tested my machine and solved the problem at last.
the problem is the thermal value that your mainboard sets for your cpu.
please replace the mb.
ps: before this process,i tried almost everything . cpu fan , memory , cpu , cables ,case ... everything. but the problem is on your mb.

Feb 04, 2009 | Dell OptiPlex GX280 PC Desktop

2 Answers

Problem withe dell gx280 fan and display


Unfortunately this seems so be a motherboard problem, Dell's solution is to replace the motherboard I'm not sure there's much you can do at home or work to fix this - if it's still under warranty get dell to replace the motherboard if not im afraid its the bin for it sorry

Feb 02, 2009 | Dell OptiPlex GX280 PC Desktop

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