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PC Problems.. Help Please  
User currently offlinePortcolumbus From United States of America, joined Nov 2000, 1623 posts, RR: 3
Posted (12 years 2 months 4 weeks 1 day 6 hours ago) and read 3306 times:

Last week I was playing Flight Simulator when my PC started randomly rebooting. It kept rebooting and then got to the point where it won't boot at all. The BIOS won't POST so I can't figure out the error codes.

I replaced the two cheapest things that could be the problem: memory and power supply. Video card works.

Now I'm down to the motherboard and CPU.

I was running PCProbe software and the CPU and motherboard were not overheating. Voltages seemed a little low which is why I thought it was a power supply.

I'm stuck. Should I replace the mobo or CPU ($88 vs $188) first? Any ways to test or figure out which one is bad?

4 replies: All unread, jump to last
User currently offlineAirlinelover From United States of America, joined Jun 2001, 5580 posts, RR: 20
Reply 1, posted (12 years 2 months 4 weeks 1 day 5 hours ago) and read 3291 times:

well, just what you are telling me, it could be either the Mobo or CPU. There could be a faulty link that has developed between the CPU and the Mobo, or there could be any of a number of things wrong with the Mobo.. Honestly, there are testers for them out there, I just don't know where..

The day before valentines day, I shut down my comp for the night like I normally do. Except, when I woke up and turned it on, it was 100% dead.. Not only was there no POST, there were no beep codes or anything. I never figured out what the problem was, but I am pretty sure it was the motherboard. I ended up blowing a load of money to buy new parts (as I was due for an upgrade anyway) and couldn't wait as I had a report due that in college and I couldn't access it otherwise. I had to re-do the report as well..

If I had to guess for you, motherboard first.

If you have any more ?'s feel free to email me.


Lets do some sexy math. We add you, subtract your clothes, divide your legs and multiply
User currently offlineCPDC10-30 From United States of America, joined Feb 2000, 4992 posts, RR: 22
Reply 2, posted (12 years 2 months 4 weeks 1 day 5 hours ago) and read 3288 times:

I have an Athlon board that just started doing that to me too...turns out on further inspection that some of the capacitors on the board blew. I can't be bothered to replace because I don't have the specs them so the board is garbage (out of warranty).

But I find that usually the random rebooting problems are caused by bad memory.

User currently offlinePortcolumbus From United States of America, joined Nov 2000, 1623 posts, RR: 3
Reply 3, posted (12 years 2 months 4 weeks 1 day 4 hours ago) and read 3272 times:

Hmm, looks like I'll order a new motherboard. I just pray I don't need a CPU. The CPU fan works, it never overheated, and the chip is less than a year old (probably under warranty if it has one, but no way to prove it's dead).

I thought it could be the memory, but the new stick I bought didn't help.

User currently offlineKlaus From Germany, joined Jul 2001, 21652 posts, RR: 53
Reply 4, posted (12 years 2 months 4 weeks 1 day 2 hours ago) and read 3264 times:

Don´t know if it would explain the BIOS not coming up on a WIntel PC, but I´d check the backup battery, just to be sure. I´ve had people close to throwing away their PCs just for a dead battery... (Not that I´d disagree with any kind of abuse done to an WIntel PC.  Wink/being sarcastic)

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