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What are the signs of a bad CPU?

post #1 of 12
4/21/05 at 1:48am
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can someone tell me what the signs of a bad cpu? im having some issue with windows on a computer i just put together. I've change every part except for the CPU.
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post #2 of 12
4/21/05 at 3:51am
If the cpu is not very hot when it restarts (>60 C) and you say that you changed all the components in your system except CPU( Athlon Xp mobile in very good) it may be a problem from the VGA card incompatibility with the mobo.Try the newest vga drivers(third party drivers are very good).


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post #3 of 12
4/21/05 at 3:52am
  • ldk
  • Overclocker - Duh!
Quote:
Originally Posted by bored7one4
can someone tell me what the signs of a bad cpu? im having some issue with windows on a computer i just put together. I've change every part except for the CPU.
If you used a harddrive from another system, did you reformat it and reload windows?
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post #4 of 12
4/21/05 at 7:31am
Quote:
Originally Posted by bored7one4
can someone tell me what the signs of a bad cpu? im having some issue with windows on a computer i just put together. I've change every part except for the CPU.
Actually I found the CPU to be one of the hardest parts to troubleshoot... at least one that isn't literally fried.

-If you take it out and the bottom looks burnt, then it is fried.
-If you mounted the heatsink too tightly the core could be crushed

With the one where I crushed the core... it took me 10 weeks to figure out it was the processor... it still worked, but it crashed randomely and had severe bootup problems.

Good luck.
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post #5 of 12
4/21/05 at 10:10am
Thread Starter 
Quote:
Originally Posted by TheInformationator
Actually I found the CPU to be one of the hardest parts to troubleshoot... at least one that isn't literally fried.

-If you take it out and the bottom looks burnt, then it is fried.
-If you mounted the heatsink too tightly the core could be crushed

With the one where I crushed the core... it took me 10 weeks to figure out it was the processor... it still worked, but it crashed randomely and had severe bootup problems.

Good luck.
What kind of boot up problem? that what im having is boot up problem. it take forever to load windows. It get the the part where the window xp logo has that little blue bar going from left to right but it stay like that for like over 5 min and then it loads up.

what could be the problem my cpu?

thanks
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post #6 of 12
4/21/05 at 9:42pm
If you just built this computer, the XP-Mobile cpu will default to 600Mhz and can easily be changed in bios by starting the computer and holding down the "delete" key. Nothing loads fast at 600mhz so it has to be manually changed.

Once in bios ('Soft Menu"), reset the figures by changing "auto" to "user define".
Now you can manually switch the settings. I've got the same setup so try these to get you booting at fast speeds:

fsb: 200
multiplier: 11
vcore: 1.675
vdimm: 2.7. Don't forget to save changes by hitting "F10".
That should make you smile.

If your configured right, your SATA cable might be loose at one of the 2 connections (common if side cover leans on it).
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post #7 of 12
4/22/05 at 3:29pm
Thread Starter 
sorry i forgot to mention that this computer with the problem is for my bro.

could it be a bad HDD cuz it is making noise compare to my new HDD?
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post #8 of 12
4/22/05 at 3:33pm
It may just be a low RPM drive.
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post #9 of 12
4/22/05 at 3:35pm
Old HDD's (if it is old), make alot a noise. I got one of the first CDRW burners and it is louder than a tornado. If its newer, sounds like you need to enable acoustic management (for select HDD's), look in the FAQ's.
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post #10 of 12
4/23/05 at 10:39am
If the hdd is a 300GB Maxtor your not alone.
According to MaxPC Mag., some complaints have come in that after completely shutting down the computer, the drive isn't detected when started back up.

1st check the connector cable, swap with a proven one.
2nd check the device settings (SATA or PATA)., try running the device in "cable select mode".
Also, your IDE channel might not be configured to its fullest potential. "Combined" or "Enhanced" mode will enable all SATA and PATA resources.

If that doesn't work, try dropping your overclock as SATA is sensitive to that.

Last but not least, if all else fails, it reads: Clear CMOS and reconfigure bios, save and restart again.
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