BSOD boot loop after downgrading from Windows 10 to Windows 7

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  1. Posts : 10
    Windows 7 Ultimate 64bit
       #1

    BSOD boot loop after downgrading from Windows 10 to Windows 7


    So as the title says, I decided to downgrade my windows to 7 again, everything went smoothly. PC restarted and I was greeted by a BSOD, it restarted, BSOD again and so on. Tried startup repair, no use (failed with 0x490 code, if thats any use), tried boot windows to last good configuration, same. I still havent tried chkdsk. I can boot into safe mode but I cant manage to get my mouse and keyboard work.
    BSOD code: STOP 0x0000007e (0xffffffff80000003, 0xfffff880223912d, 0xfffff880009a9328, 0xfffff880009a8b80)
    Last edited by pauliux963; 08 Aug 2015 at 07:49.
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  2. Posts : 10
    Windows 7 Ultimate 64bit
    Thread Starter
       #2

    And I if someone would help me get my mouse and keyboard working in safe mode I could get the logs and post them here
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  3. Posts : 10
    Windows 7 Ultimate 64bit
    Thread Starter
       #3

    Strange, I decided to check the C and D drives via cmd in the system recovery options (by using the "dir"command) and it showed that C drive is empty and D drive has the C drive's folders, including the windows folder. Im doing the chkdsk for the D drive since the C drive chkdsk finished in few seconds.
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  4. Posts : 2,781
    Windows 10 Pro x64
       #4

    Hiya and welcome to SevenForums!

    Hmm, can you copy over the files from D: to C: using an setup commandprompt?
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  5. Posts : 10
    Windows 7 Ultimate 64bit
    Thread Starter
       #5

    Laith said:
    Hiya and welcome to SevenForums!

    Hmm, can you copy over the files from D: to C: using an setup commandprompt?
    I dont know how, but I will get my windows disk from my other house and try to reinstall my windows, I will check back how it went
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  6. Posts : 2,781
    Windows 10 Pro x64
       #6

    Okay.
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  7. Posts : 10
    Windows 7 Ultimate 64bit
    Thread Starter
       #7

    Ok I cant find my windows disk... So what about the file transfering?
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  8. Posts : 2,781
    Windows 10 Pro x64
       #8

    Actually, skip the commandprompt. Can you burn an linux distro and boot from that and transfering the files? My plan was to transfer the files via the commandprompt but can you do that?
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  9. Posts : 10
    Windows 7 Ultimate 64bit
    Thread Starter
       #9

    No need, I fixed it by copying Regback contents. And now another problem, keyboard and mouse dont work, just like in safe mode tho it works in BIOS setup.
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  10. Posts : 2,781
    Windows 10 Pro x64
       #10

    Hmm, this is probably because it dosen't have the right drivers. You need to find the right drivers for your mouse and keyboard.
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