Question about Dell Optiplex GX280 (99301) Motherboard

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OptiPlex GX280 DT power problem

After plug in power cable, the power immediately on with fan running loud but no booting

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  • Dell Master
  • 2,226 Answers

Check out video card

Posted on May 25, 2014

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Posted on Jan 02, 2017

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The-Only-Sol
  • 144 Answers

SOURCE: Dell Optiplex GX280 won't start. Fan sounds like a Boeing 757

If the processor is ok, you can just change the motherboard. Then look for a compatible motherboard that can accept your processor.

Posted on Nov 28, 2008

  • 166 Answers

SOURCE: PC wont boot cpu fan runs extreemly loud and fast.

You may have a failed motherboard or bad/weak poswer supply unit (PSU) then. Failure of motherboards is usually due to breaking capacitors. A few years ago a capacitor company stole the "recipe" for making capacitors from another company and tried to make their own, unfortunately they did not get the ingredients right and the capacitors started breaking after 2-3 years of use. They sold these capacitors at very cheap prices and a lot of computer companies and power supply makers bought them. The DELL GX270 and GX 280 were the main DELL models affected by this situation. This is easy to diagnose. Look for capacitors (caps) (they look like little tiny soda cans) on your motherboard (mobo). They should be perfectly flat on top and not bulged or swelling or leaking anything. Make sure you look under the fan shroud. Most of the bad ones had either a plus + or X on the top - depending on your interpretation. There are a few companies that will repair broken capacitor issues. If it has recently gone out of warranty you could try to contact DELL to see if they will ship you another one. I was able to get them to fix a couple of mobos out of warranty, but that was two years ago. To eliminate some other stuff you could remove the memory and disconnect all the power plugs from the drives and then try to start it up. If it does not change the behavior at all (no beeps, no change in flashing lights) then you probably have motherboard or power supply issues. Make sure when disconnecting the memory chips (sticks) that you touch the metal on the inside of the case first to discharge static electricity. If it does change the behavior add 1 component or item back at a time to see what you can find out. Post back with what you find. And remember a bad PSU does not mean no power, just not enough to run the computer. If you change out the PSU, the one that you replace has to have the same or greater output watts?

Posted on Apr 30, 2009

  • 73 Answers

SOURCE: WANT DRIVERS FOR OPTIPLEX GX280

Please visit this site, all available drivers are listed

http://support.dell.com/support/downloads/driverslist.aspx?c=us&l=en&s=gen&ServiceTag=&SystemID=PLX_GX280&os=WW1&osl=en&catid=&impid=

Posted on May 02, 2009

roety
  • 585 Answers

SOURCE: 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

Posted on Jul 31, 2009

  • 1027 Answers

SOURCE: i have a dell optiplex gx280 which seems to have a

The fan bearings may be going bad. Variable speeds are normal as the fan adjusts to the cooling requirements.

Posted on Oct 24, 2009

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Gx280 powers up but no boot cpu fan runs out of control


I had the same thing happen on my Dell. I found the processor was bad,

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Gx280 powers up but no boot cpu fan runs out of control


Usually faulty ram chip / chips. Check that they are making good connection first.

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Optiplex GX280 - loud fan at start up and amber power light - does not boot


Hi,
Most likely you have a bad Power Supply, replace your power supply
Thanks

DiegoTech

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Optiplex GX280 - loud fan at start up and amber power light - does not boot and no light at the back


Apply pressure on the heat sink fan right before you press the power button and continue applying pressure. Watch your screen if you see it boot this means its a problem with your processor clamp that applies pressure to the processor. Try to remove the top part of the clamp. Shouldn't be too hard with some needle nose pliers. Then just replace the heat sink and fan with out that clamp.  

May 27, 2010 | Dell OptiPlex GX280 PC Desktop

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The fan of dell gx280 producing a loud sound, how I fix it ?


Sometimes something is stuck in the grill and the blades keep touching it, other times the bearings have worn down and the fan or entire power supply needs replacing.  I used to hit my PCs noisy fan with the palm of my hand and the loud noise stopped!

Mar 11, 2010 | Dell OptiPlex GX280 PC Desktop

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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

Dell optiplex gx280 makes loud fan sound at startup and enters windows screen, but will not finish booting and freezes up.


You may have a problem with your power supply(the loud fan noise) and eventually it may get too hot and will cause problems like not fully booting.

Jun 12, 2009 | Dell OptiPlex GX280 PC Desktop

4 Answers

Dell Optiplex GX280 boot problem


I just repaired two Gateway systems with similar behavior (turn on power, fan runs at full speed, no boot), and both needed replacement system boards. (These were a different model, but the symptoms are typical of a dead system board.) I got the boards from a company called Blue Raven Technology (www.blueraven.com).

Before deciding the main board is bad, try another power supply to make sure that's not the problem. Also you might try clearing the CMOS memory on the system board (either by moving a jumper usually found near the backup battery, or by removing the battery itself). Sometimes corrupted CMOS data will keep the system from booting.


Nov 16, 2008 | Dell OptiPlex GX280 PC Desktop

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