Question about Dell GX280 Optiplex 2.8GHz Desktop Computer

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OPTIPLEX GX280 BIOS UPDATE NOW SYSTEM WONT START. ORANGE LIGHT SHOWING ONLY! Before the upgradation, My system was working perfectly fine. After the installation. My system is not working and the orange light is on the machine (Solid) not blinking.

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You need a start-up CD and re-flash the Bios to Factory settings that worked. Best guess would be something was wrong with the BIOS package you had installed or someone/something messed up the installation which is causing your problem.

If you have factory CD Try to start the computer with that in.

Posted on Jul 20, 2009

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Dell GX280 orange light on MOBO


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;
Small Form Factor (SFF)
Small Desktop
Desktop
Small Mini-Tower
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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,
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I can't get into BIOS anymore. It just sails right by when I press F2 and starts up Windows. I've tried DEL and F1 but that doesn't work either. The problem started shortly after I updated the BIOS from...


remove the cmos battery from your motherboard and return it again after 5 seconds, that will restart your BIOS, or you look for the BIOS reset pin on your motherboard just consult your manual as guide.

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I have had this problem and never quite got to the bottom of it. Because it doesn't get too far when in starts I think it is memory related or bios. Opening and closing the case can reset the bios on some computers so check this setting in bios, to stop it happening try turning of sleep or standby function in bios.

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eykraus,
I have some experience in upgrading your Dell.
If this gx280 was my computer and want to upgrade I'll only go to 3.0 but you need to upgrade you bios to support the new upgrade. You could also upgrade the memory as well. Put the power supply you have in so you can conserve.

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Jul 20, 2009 | Dell GX280 Optiplex 2.8GHz Desktop...

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.

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