sacdrv.sys

Question

Recovery

Your PC/Device needs to be repaired The operating system couldn't be loaded because a critical system driver is missing or contains errors.

File:\Windows\System32\drivers\sacdrv.sys

Error code: 0xc0000221

You'll need to use recovery tools.If you don't have any installation media (like a disc or USB device), contact your PC administrator or PC/Device manufacturer.

What do i do?

Finding any microsoft contacts is has been a quest by itself. Every time i try to enter safe mode i get a blue screen. I read online about something about command prompt, the thing is i can't get to it because everytime i try to enter safe mode i get a blue screen. I tried to use the startup settings but using any of the nine choices just restarted the system.

Thanks in advance.

Answer 1

Hi guledyusuf1,

Thanks for bringing your concern up here at Microsoft Community.

It sounds like you are encountering blue screens with an error code: 0xc0000221 caused by hard driver.

It is recommended to enter Win RE mode and repair your system by USB installation media first.

1. Prepare an empty U disk with at least 8G space, make a system installation medium, and boot into the system installation interface. Click hereto download the system image.
2. Click Next > Click to select Repair your computer in the lower left corner.
3. Now we will enter into Win RE mode, select Troubleshoot > Advanced Options > Boot Repair.

If the problem is still there, it will be necessary to reinstall your Windows 10.

Keep me updated how it goes.

Best Regards,

Lynn Sun | Microsoft Community Support Specialist

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