It's a HP computer, so I think it is the hotkey support driver. This week we have much op customers having the samen problem on Windows 10.
Maybe the solution is also working voor Windows 7.
To fix this issue, go to Troubleshoot -> Advanced options -> Command Prompt and type the following commands: cd c:\windows\system32\drivers ren HpqKbFiltr.sys HpqKbFiltr.sys_old
Once the renaming of the file is successful, restart the PC to successfully load Windows 10.
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