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I have several (20 ) Dell GX280 standard desktop machines which upon switch on do not boot. The problem is the system board. The processor fan, after a short while, races. Is anyone aware of a mod or fix for this common fault. I am a qualified techie but this is baffling me.

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Hi bro just check the usb pin first then check the battery then after check for mother board non of this solution will work for u.

Posted on Oct 17, 2008

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Have you tried to flash the BIOS? I am sure that you though of this, but sometimes we techie's have brain block.
Are they any jumpers on them?
Have you swapped the memory around?

Just trying to jar your memory on things to check. I am sure that with (20) of them that you are pretty frustrating. What does Dell say? Curious to find out what you figure out. What motherboards are in these? Are they all the same motherboards. Stupid question, but just wandering. I would be really mad if it were me. I am sure that you have thought of everything. I f you let me know what you have tried, I might be able to think of something that you have not tried. I just looked these up and they got great reviews. Strange that none of them work. Have you tried the processors and memory in other machines? Keep me posted on what you figure out.

Posted on May 30, 2008

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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 go full blast . 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

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The fan(which runs on a bearing) has aged, it must be replaced. Luckily this is an easy and cheap fix. Pick one
http://bit.ly/9qzXBz

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Confirm no leaking or bulging capacitors on your mothboard.
refer to here
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As this was a common problem with the GX280.
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Hi,
First select the chassis type of GX280 you have from the link below
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The page would redirect you to the user manual for the system
Look under Add Remove components > Processor or motherboard.

The Fan removal instructions are given step by step with pictures


Thanks
Proton

Do rate the solution

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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).

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