Question about Dell Optiplex GX280 (99301) Motherboard
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Posted on Jan 02, 2017
SOURCE: AsRock Motherboard
First of all, not all the time memory is bad it gives a beep. So you might still want to verify that it's not the memory. Try the memory in another cpu or try another memory in your cpu.
If you have verified that the memory is not the issue, then your next culprit is the video card. Make sure the video card is working. Take it out and clean the contacts with a clean piece of cloth and then reseat it properly.
Please let me know when you have verified the above recommendation and if it works or not.
Thanks and good luck
Posted on Dec 14, 2007
SOURCE: no video output,
hi, did u check the ram, try cleaning the contacts, or replacing it,
and as u say the fan is working that means the smps is switching on, so it could be ur motherboard, remove any addon cards and then check..enjoy
Posted on Dec 15, 2007
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
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1long, 2 short Video adapter error Either video adapter is bad or is not seated properly. Also, check to ensure the monitor cable is connected properly. Repeating (endless loop) Memory error Check for improperly seated or missing memory. 1long, 3short No video card or bad video RAM Reseat or replace the video card. High frequency beeeps while running Overheated CPU Check the CPU fan for proper operation. Check the case for proper air flow. Repeating High/Low CPU Either the CPU is not seated properly or the CPU is damaged. May also be due to excess heat. Check the CPU fan or BIOS settings for proper fan speed.
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