Upgraded my CPU, now Windows freezes at "Starting Windows"

Hello Tom's Hardware

For a long time now i've had the luxury of using your site for error solutions without having to make an account, but today is different.

I come to you with a problem i was unable to find solutions for yesterday (maybe because of some threads being down on this site) and so i've decided to ask the Gods of Troubleshooting directly for their wisdom.

My problem: I installed a new CPU yesterday (4770K), the computer booted to BIOS fine and the CPU was recognized under the system summary, but when i go to boot Windows 7 however, it gets stuck at "Starting Windows" and requires a forced shutdown to turn off.

My computer's background: In 2013 i bought a pre-built customizable PC from Lenovo, a K450 packed with an i5-4440, a GTX 650 2GB, 2x4GB RAM, a 1TB SSHD and a 280W PSU, and since then i've upgraded with these parts: a GTX 1060 6GB, a 500GB SSD and a 500W Bronze PSU.

I've also removed the Windows 8 that was pre-installed with the computer and got a copy of Windows 7 which i originally had on the 1TB SSHD but since cloned it to the SSD.

What i know: The computer boots into Safe Mode just fine and device manager recognizes all the new cores from the i7. I've tried to do a clean boot but that doesn't work and the difference between this and a normal boot is that once it reaches the point of freezing the signal from my GPU stops and i get a No Signal screen on my monitor.


I hope this information helps whomever be so kind to inform this humble appreciator

Here is a picture of where i get stuck:
3 answers Last reply
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  1. haydenlake said:
    Hello Tom's Hardware

    For a long time now i've had the luxury of using your site for error solutions without having to make an account, but today is different.

    I come to you with a problem i was unable to find solutions for yesterday (maybe because of some threads being down on this site) and so i've decided to ask the Gods of Troubleshooting directly for their wisdom.

    My problem: I installed a new CPU yesterday (4770K), the computer booted to BIOS fine and the CPU was recognized under the system summary, but when i go to boot Windows 7 however, it gets stuck at "Starting Windows" and requires a forced shutdown to turn off.

    My computer's background: In 2013 i bought a pre-built customizable PC from Lenovo, a K450 packed with an i5-4440, a GTX 650 2GB, 2x4GB RAM, a 1TB SSHD and a 280W PSU, and since then i've upgraded with these parts: a GTX 1060 6GB, a 500GB SSD and a 500W Bronze PSU.

    I've also removed the Windows 8 that was pre-installed with the computer and got a copy of Windows 7 which i originally had on the 1TB SSHD but since cloned it to the SSD.

    What i know: The computer boots into Safe Mode just fine and device manager recognizes all the new cores from the i7. I've tried to do a clean boot but that doesn't work and the difference between this and a normal boot is that once it reaches the point of freezing the signal from my GPU stops and i get a No Signal screen on my monitor.


    I hope this information helps whomever be so kind to inform this humble appreciator

    Here is a picture of where i get stuck:

    Have you made sure that none of the CPU/Motherboard pins are bent?
  2. Look up doing a Sysprep, then shutdown, let hardware be detected.

    Or delete CPU hardware frame m within control panel/ system/ device mngr Reset , let CPU be newly detected....
  3. @Zmanrocks, When i took my original CPU out of the socket everything looked fine to me. I put the i7 in carefully and gave it a tiny wiggle just to make sure everything is making contact like how i've seen others do it in tutorials. I'm pretty sure this isn't the problem, but if i can't find a solution to getting the i7 to work then i guess i'll be checking when i take it out.

    @mdd1963, I will try these options at some point, thank you very much!


    UPDATE: Today i reconnected my DVD drive and tried to load my OS disc to make repairs but it got stuck at the same place as it does when trying to boot Windows 7 normally. Perhaps this is a BIOS issue?

    UPDATE 2: So i took out a stick of RAM and my graphics card and it managed to boot Windows normally. I did a graphics driver update for the CPU and uninstalled the drivers for my graphics card, but now it freezes at the login screen.
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