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- windows stopcode 0x000021a

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02-06-2021 04:48 AM
Have run many trouble shooting, restart, reboots, etc. for this error message on my daughter's laptop (purchased at Walmart with her own money from her part time job) & trying to help solve this blue screen/reboot loop issue that has effectively bricked the dang thing.
02-06-2021 06:01 AM
That error is a Windows thing but I would recommend run the built-in diagnoctics first, before doing anthing else
To run the Diagnostics routine, Start tapping the Esc key BEFORE starting the PC and then press the start button.
Keep tapping the Esc key until a popup menu shows. Then pick Diagnostics from that popup menu, F2.
Report back with the results.
I that comes back with no faults, then look at this
https://recoverit.wondershare.com/computer-problems/fix-windows-stop-code-0xc000021a.html
They are promoting their own software but do provide some good steps to complete without using their software. So go thru the steps without using their software. Come back for continued help if/when needed.
I'm not an HP employee.
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