Computer Will Not Work

[Randy1887]

Ok I am needing advise on my desktop computer. It is a Cisnet computer running Windows XP I've had it for probably 5 years. It was running great and one day the power went off at our office while the computer was running (The computer was plugged into a surge protector). After that I tried to turn it back on, when I hit the power button I could hear the fans running and the Red light on the front of the computer came on and then went off after about 10 seconds but the fans kept running and nothing ever displayed on my screen. There is also a green light on the front of the computer but it NEVER turned on. I believe the problem is either the motherboard or the processor, due to my experiment listed below but I need another opinion.


THINGS I'VE TRIED: 1) A different Monitar (That the computer had worked on in the past) 2) Replaced the RAM memory 3) Changed the power supply 4) Changed the hard drive and none of this changed anything. I did not change the video card because it is integrated onto the motherboard. Let me know if you need anymore information. Thanks

[Spoiler]

Whats left? The motherboard?

[Randy1887]

Ummmm.....Thats what I said. Just needing a PROFESSIONAL opinion! Incase I have missed something

[JJ 3000]

Try a video card.

[woodrock]

HI

  Can u plz have a check with the mother  board of the computer !!! plz since u have tried replacing all the essential things that u think that has to replaced is perferctly  alrite!!! 


I really appreciate uur technical Knowledge

[BC_Programmer]

Ummmm.....Thats what I said. Just needing a PROFESSIONAL opinion! Incase I have missed something

The process of elimination hardly requires a professional to understand .

It's either the processor, or the motherboard- as you've already discovered. Given the symptoms I'm inclined to lean towards motherboard, but about 99.9% of the time when a motherboard fails as a result of power issues (power outage/spike/brownout) like this it can often take other components with it, including the processor. Only way to be sure would be to try the processor in another compatible motherboard, but then it's possible that if the processor is fried that it could (in some cases) ruin the "new" motherboard as well. Only way to be certain would be to get it tested with one of those CPU testing devices.

[rthompson80819]

It's too late for you now, but this really points out the need for a good surge protector.  The common $19.95 surge protectors are really not very good, and only a step ahead of a standard plug strip.  A UPS from one of the top manufactures is usually the best unit.  Besides being a battery back up they usually have very good surge protectors.

This is one of the situations where you usually get what what you pay for.

[jason2074]

Do not overlook also your 3V battery since its a 5 year old computer. Since you cannot get past POST screen and computer suddenly shutsdown. The RED light you posted might mean and ORANGE blinking. Since you have made changes to major components of your CPU and tested it with same results. Try reseatting the battery after 10 mins. or better replace it. If ever it runs and shutsdown for 5 to 10 mins, then its most probably a thermal issue. If CPU runs without video display, its most likely your on-board video card or motherboard components(capacitor,hopefully).

[Randy1887]

Sorry it's been so long but I thought I would let you guys know how this turned out. I took out the wireless network card (that the computer had worked fine with) then it ran fine, put it back in it wouldn't work, took it out and installed a new wireless network card and have had no trouble with it at all.  Wow didn't see that being the problem. Lol. I resolved this issue back in September I think it was, just haven't been on here to update you guys