Question about Dell Computer Refurbished SYSTEM BOARD - OPT GX280 SFF FOR OPTIPLEX GX280 SFF Computer (H5354) Motherboard

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Dell optiplex GX280 tower machine, pc reboot again and again, fan run so fast and make alot of sound, also power light blink red instead of green, i have changed rams but facing same problem, what sho

Reboot again and again after 10 to 15 minutes. fan run so fast and make so much noise and main power light blink red instead of green. i have changed Ram and clean all dust but still facing same problem. and pc is restarting again and again after 10 minutes. please give me solution

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  • Dell Master
  • 3,606 Answers

Hello here is the home page:

http://www.dell.com/support/drivers/us/en/ussoho1/Product/optiplex-gx280

I think you have some kind of a virus or malware on your system.

Install this program and make a full scan:

http://www.malwarebytes.org/products/malwarebytes_free/

You maybe have to start the pc in failsafe mode by pressing F8 while you reboot.

Install also a better FREE antivirus program:

http://www.microsoft.com/en-us/download/details.aspx?id=5201

Please uninstall any other antivirus programs before you install microsoft security essentials. Run a full scan when installed and updated.It`not great to have more than one anti virus program installed. Most antivirus programs have a background scanner running to protect you from virus vhile you surf on the internet open a file etc.With more than one antivirus program the pc`s performance will be decreased.

There are a lot of things that can cause a computer to shut down.This could also be the power supply.Try also to renew the thermal grease between the cpu and the fan but BE CAREFULL not to damage the cpu.
If you are unsuccessfull at resolving the problem visit a computer repair shop.

When you talk about checking memory, it's the physical RAM stick inside the computer. RAM does not have sectors like a hard disk drive. If it does happen to be bad I'd replace it with at least 1GB to 2GB. 512MB is really low.

Good luck

Posted on Jan 04, 2013

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Posted on Jan 02, 2017

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

Tech_Mate
  • 680 Answers

SOURCE: I have DELL Optiplex GX

Hi, Thanks for using fixya.

I have the same computer with the same problem. I changed the power supply that cured it for me, I hope it does the same for you.

Terry

Posted on Feb 15, 2011

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Help me i have gx280 tower type 3.0 ghz 20 machines i bought these machines from used markete few machines are trouble in cpu fan abnormal noising i removed al types of hardware components but...


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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check the boards compasstors if they have a round top on them or not if they do you need new board check also the power supply as well jim look at fan on cpu if it turns or not

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http://bit.ly/9qzXBz

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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.
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Dell Optiplex gx280 shuts down and orange power light blinks


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