Question about Dell OptiPlex GX280 PC Desktop

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Dell GX280 boards

Thanks for replying. Can't flash the bios as machine wont boot and bios IC is soldered to the board. I have processed about 200 of these units in the last month and have a known good test bed. I think it may be to do with the board not sensing PSU voltages correctly on switch on - I am still working on it.

Dell are not very forth coming with any info, here in the uk. The boards are all the same made by foxconn Various Dell p/n's CG815 / DG389 / G8310 ... etc but all the same thing.

Any help you can give would be appreciated

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44Hink sounds like he is the perfect expert for this answer.

Posted on Jun 07, 2008

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I use 100 of these type Dells in my lab.
Can you get a bootable BIOS floppy and orCD disk and flash that way?
This is where I go to get around it.
http://www.bay-wolf.com/bootcd-bios.htm
go here and they will instruct you on how to do it.
good luck
44hink

Posted on Jun 04, 2008

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1 Answer

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Dell Support > Optiplex GX280 Desktop PC > User Manual,

http://support.dell.com/support/edocs/systems/opgx280/en/ug/tindex.htm


I chose the Mini-Tower model because the following information applies to all models;
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Computer and Software Problems > Troubleshooting Tools and Utilities > System Lights,

http://support.dell.com/support/edocs/systems/opgx280/en/ug/tools02.htm#wp1114432

Now scroll down. What do the Diagnostic Lights indicate?
Post back in a Comment.

Regards,
joecoolvette

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Dell GX280 has been known to have issues with mother board because of bad capacitors that were sent out in them at that time. I have had so many issues with them when i working as an it. If you can open up your pc and look on mother board for expanded capacitors or even leaking. if they are not round it means that is the problem. Dells are very easy to open. On top and bottom there are kinda buttons u can press and just open towards the side that has lock for like locker lock and look inside.

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The power supply might be defective, but usually this means a bad system board. Any other kinds of problems would allow the system to at least boot, but this one isn't getting even that far.

Unfortunately, the Dell case uses a proprietary motherboard, so you will need to get the same one if you want to replace it.

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An Amber blinking power button indicates a low voltage problem. This can be caused by a defective power supply or a defective motherboard. Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.



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