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    How can i tell that my cpu is busted!


    i am just barely new in the world of computer repair world thats why i am very thanful for this kind of forum a very helfpul specialy to me....

    my question is HOW CAN I TELL THAT MY CPU IS DEFFECTIVE?

    thank you in advance!!!
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  3. fifo
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    your computer wont post - you'll get nothing on your monitor / you'll see no checking ram etc.
    Your fans might start though - can't remember.
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    your computer wont post - you'll get nothing on your monitor / you'll see no checking ram etc.
    Your fans might start though - can't remember.
    You can also purchase a CPU tester to make sure that it really is the CPU. I burned out my AMD Duron once and I was getting the symptoms as listed above that Rizla said.
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    If your CPU is knackered, then your machine won't work - simple.

    However, do you have symptoms that your CPU is failing or has it already failed ?
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    As aitken has said, 'if your cpu is knackered' your pc wont even boot.

    If you mean that it isnt working as good as it should, then you can try running cpu stress programs to test your cpu, and also try something like Sisoft Sandra to benchmark your cpu against other similiar cpus.

    We could use your help....click to find out more. FOLD TO CURE!
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    If the mobo is KNOWN to be good and its a bare mobo sitting out on the bench (no vid card even) with nothing else attached but a bit of memory...

    ...Tap the NumLock key a few times after a suitable wait (maybe 15 seconds after power up). The toggling of the numlock LED's on/off is directed by BIOS. If the CPU can do that, you know its not stone dead.

    This trick is also a good way to tell the difference between a hard hang and something just stuck in an infinite loop in a video driver or application. The keyboard interrupt handlers would still function and toggle the LED if there's something still alive in a system.

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