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Windows 7 not booting after moving hard drive to new laptop

My old Thinkpad T500 died a short while ago. I bought a second-hand laptop (Dell Inspiron 1545) and moved my hard drive to it.

I am dual-booting Ubuntu and Windows 7. Ubuntu works without any problem (I am typing this message on it), but Windows 7 crashes on boot with the error code:

STOP: 0x0000007B (0x80786B50, 0xC0000034, 0x00000000, 0x00000000)

From what I have gathered, this message pops up because WIndows fails to access the boot device. I tried changing the SATA mode in the BIOS as a couple of persons mentionned, to no success.

Is there anything that can be done to save me from reinstalling Windows?
9 answers Last reply Best Answer
More about windows booting moving hard drive laptop
  1. if you can get to safe mode install the laptop drivers. else reinstall windows
  2. No, safe mode doesn't work either as it cannot access the boot data.
  3. if you have windows 7 dvd, you could try doing repair installed, but backup your data first.
  4. rgd1101 said:
    if you have windows 7 dvd, you could try doing repair installed, but backup your data first.


    I agree. Windows doesn't have the necessary chipset driver to run on that dell. Basically, it still thinks it's in a thinkpad. You will need to install the necessary drivers or reinstall windows.
  5. I'll try to do so tonight.

    PS: I find quite sad that the company that is Microsoft cannot handle changing hardware while an open-source project does without any problem.
  6. Best answer
    "I find quite sad that the company that is Microsoft cannot handle changing hardware while an open-source project does without any problem"

    You are not comparing like with like.

    Linux distros don't require Product Activation, Windows does.
    When Windows is installed, a unique Hardware ID string is written to the Registry during Windows Setup.

    When the motherboard changes (eg you move the drive to a different computer) the existing ID string is then invalid and a new one can only be created by running Windows Setup again (re-installing Windows).
  7. emerald000 said:
    My old Thinkpad T500 died a short while ago. I bought a second-hand laptop (Dell Inspiron 1545) and moved my hard drive to it.

    I am dual-booting Ubuntu and Windows 7. Ubuntu works without any problem (I am typing this message on it), but Windows 7 crashes on boot with the error code:

    STOP: 0x0000007B (0x80786B50, 0xC0000034, 0x00000000, 0x00000000)

    From what I have gathered, this message pops up because WIndows fails to access the boot device. I tried changing the SATA mode in the BIOS as a couple of persons mentionned, to no success.

    Is there anything that can be done to save me from reinstalling Windows?


    **** Your 7B error is caused by not having the the Hard Drive (SATA) Configuration set correctly. Look for settings of AHCI or RAID or ATA. Try each one until the 7B error goes away. ****
  8. IF YOU PUT ON WINDOWS 8 WOULD IT BOOT?
    OR WOULD IT BE THE SAME THING AS WHAT HAPPENED WITH WINDOWS 7?
  9. Cnurse said:
    IF YOU PUT ON WINDOWS 8 WOULD IT BOOT?
    OR WOULD IT BE THE SAME THING AS WHAT HAPPENED WITH WINDOWS 7?


    If you move a drive with an existing Windows OS from one PC to another, it often does not boot.
    And then you get into the whole licensing issue.
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