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  1. #1
    Mike Mike's Avatar
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    Default Old PC not working

    I have an old PC that I tried to start up today but can't get it to work. The thing starts up (ie there's noise), but nothing on screen, and no beeps. Any ideas where to start trying to figure out why it's not working? It's an old Athlon 750Mhz machine - was used regularly (every day) up to about Sept last year, but hasn't been touched since then (my dad's old PC - he got a new one for Father's Day).

    I've had to resort to a Celeron 700, but I'd rather use the Athlon (as the Celeron doesn't even come close in performance).

    What could be wrong with the Athlon? Not the RAM (same RAM as is now in the Celeron), not the Video card (same as Celeron), not the HDD (again the same)... even switched the batteries between the two.

    Any ideas?

    Cheers,
    Mike.
    what are you doing looking in here?

  2. #2
    Smiling Down On Youse SurferJoe46's Avatar
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    Default Re: Old PC not working

    Try this:

    With the cmos battery IN and with the wall plug removed, press and hold the power-up button for about 30 seconds .....

    This will reset the BIOS to default/fact specs and give you some place to start anyway.

    Then reboot as normal with the cord plugged into the tower AND the wall..seems normal but I made that clear I think...lol

    See what happens then.


    Warum werden wir so früh alt und klug so spät?

  3. #3
    Senior Member
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    Default Re: Old PC not working

    Try a new CMOS battery Mike.

  4. #4
    Smiling Down On Youse SurferJoe46's Avatar
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    Default Re: Old PC not working

    Quote Originally Posted by FoxyMX View Post
    Try a new CMOS battery Mike.
    He said this already:
    ... even switched the batteries between the two.
    ....so I think that might be considered as not likely if it runs a different unit all together.


    Warum werden wir so früh alt und klug so spät?

  5. #5
    Mike Mike's Avatar
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    Default Re: Old PC not working

    Quote Originally Posted by FoxyMX View Post
    Try a new CMOS battery Mike.
    Like I said before, the batteries were switched between the two machines, with the same result. One of the batteries is fairly new, so shouldn't be the battery. Besides, if the battery was dead, I should still get something on screen, at least to tell me the BIOS had been reset because of a dead battery. I got nothing at all on screen, and no beep.

    Mike.
    what are you doing looking in here?

  6. #6
    Senior Member pctek's Avatar
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    Default Re: Old PC not working

    Graphics has died - although you'd still here it load up.

    PSU has died, enough to prevent it booting.
    Motherboard has died.

  7. #7
    Mike Mike's Avatar
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    Default Re: Old PC not working

    Quote Originally Posted by pctek View Post
    Graphics has died - although you'd still here it load up.

    PSU has died, enough to prevent it booting.
    Motherboard has died.
    Graphics hasn't died - same card is now in the Celeron, plus it should give an error beep for a video failure.

    Could be the motherboard or the PSU - there is power there, but who knows how much Any way to test whether it's the motherboard? (Testing the PSU shouldn't bee too hard, although a little fiddly)

    Thanks for the ideas pctek.

    Mike.
    what are you doing looking in here?

  8. #8
    Pedantic Bloke Sweep's Avatar
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    Default Re: Old PC not working

    Quote Originally Posted by Mike View Post
    I have an old PC that I tried to start up today but can't get it to work. The thing starts up (ie there's noise), but nothing on screen, and no beeps. Any ideas where to start trying to figure out why it's not working? It's an old Athlon 750Mhz machine - was used regularly (every day) up to about Sept last year, but hasn't been touched since then (my dad's old PC - he got a new one for Father's Day).

    I've had to resort to a Celeron 700, but I'd rather use the Athlon (as the Celeron doesn't even come close in performance).

    What could be wrong with the Athlon? Not the RAM (same RAM as is now in the Celeron), not the Video card (same as Celeron), not the HDD (again the same)... even switched the batteries between the two.

    Any ideas?

    Cheers,
    Mike.
    It may be nice to explain what you really mean. Did you replace the Celeron CPU 700 with the Athlon CPU 750? Have you two system boxes? Are you swapping parts from one unit to another?

    Did you just take the Athlon CPU from the motherboard and try to use this to replace the Celeron CPU? Sorry for being confused.

  9. #9
    Senior Member godfather's Avatar
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    Default Re: Old PC not working

    Quote Originally Posted by Sweep View Post
    Did you just take the Athlon CPU from the motherboard and try to use this to replace the Celeron CPU? Sorry for being confused.
    Hope not, as that would require a hammer...

  10. #10
    Mike Mike's Avatar
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    Default Re: Old PC not working

    Quote Originally Posted by Sweep View Post
    Have you two system boxes?
    Yes.

    Mike.
    what are you doing looking in here?

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