Reinstalled CPU and computer won't boot now....

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  1. jbroaf
    Posts : 32
    Windows 7 64 Home
       New #1

    Reinstalled CPU and computer won't boot now....


    My computer has had a bad case of the shut downs here recently so i cracked open the case and checked things... it turned out that my heat sink was loose and almost completely off of my CPU.

    Easy fix right??? I took both off cleaned em up really good applied new thermal compound and put it all back...THAT'S ALL I DID.

    Now when i press my power button:

    1. My light for my power button doesn't come on
    2. It doesn't sound like normal...at all...much quieter
    3. My screens don't even come up with anything. I've tried going to the Mobo VGA port thinking that it might have reset...that's not the case either.

    I'm at a loss...anyone got an idea? I've rechecked the power cables for all applicable lights and everything else...everything seems snug as a bug...
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  3. DavidE
    Posts : 6,330
    Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64 +Linux_VMs +Chromium_VM
       New #2

    jbroaf said:
    2. It doesn't sound like normal...at all...much quieter
    Did you check that all fans are working, especially the CPU fan?
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  4. bassfisher6522
    Posts : 2,240
    Windows 7 Ultimate 64 bit
       New #3

    Check the switch on the PSU to make sure it's in the on position. It can get bumped/hit to the off position very easily.
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  6. jbroaf
    Posts : 32
    Windows 7 64 Home
    Thread Starter
       New #4

    All fans are functioning properly, and all switches that i can identify on the mobo are in the on postition...i removed both heatsink and cpu again to double check that nothing got in between the cpu and socket and so on and so forth...clean as far as i can tell...any other ideas? Could the battery be a culprit?

    ---EDIT---
    Just saw that you said PSU...sorry i'm getting tired...PSU is on but i'll cycle it next time i hook everything back up.
    Last edited by jbroaf; 11 Jul 2012 at 08:36. Reason: Adjusting info
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  7. DavidE
    Posts : 6,330
    Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64 +Linux_VMs +Chromium_VM
       New #5

    You could try resetting the bios.

    No beep codes, right?
    No bent cpu pins, right?
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  8. jbroaf
    Posts : 32
    Windows 7 64 Home
    Thread Starter
       New #6

    No beep codes whatsoever...it's completely silent almost when it turns on...how would i reset the bios? All of the pins looked fine when i took it off again just now...slid back into place without any trouble as well...
    Last edited by jbroaf; 11 Jul 2012 at 08:42. Reason: more info
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  10. DavidE
    Posts : 6,330
    Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64 +Linux_VMs +Chromium_VM
       New #7

    For bios reset see:
    How To Clear CMOS (Reset BIOS)
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  11. jbroaf
    Posts : 32
    Windows 7 64 Home
    Thread Starter
       New #8

    that might be possible if i could get a screen to get a signal...it seems no signal is getting sent out to any of my screen outputs as mentioned above in original comment...I've removed my aftermarket card and am trying my mobo vga first this time around to see if i can get some results...fingers crossed

    --Edit--
    nothing changed...still no outputs to screens and still no beeps at all on startup...
    Last edited by jbroaf; 11 Jul 2012 at 08:54. Reason: results from second attempt
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  12. DavidE
    Posts : 6,330
    Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64 +Linux_VMs +Chromium_VM
       New #9

    Two of the bios reset methods don't require a screen display.
    They are hardware based, most common is to remove/re-install the battery as in the linked instructions.

    Just make sure you TURN OFF all power before doing this...
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  13. jbroaf
    Posts : 32
    Windows 7 64 Home
    Thread Starter
       New #10

    couldn't find a jumper but took out the battery and put it back in...no change.
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