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Dan
Dan, Computer Support Specialist
Category: Computer
Satisfied Customers: 1440
Experience:  25 Years working with computer troubleshooting and networking. Comp TIA A-Plus Certified.
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I have an acer u5-620 that says the operating system could

Customer Question

I have an acer u5-620 that says the operating system could not load because a critical system driver is missing or has errors the file is windows32\system32\drivers\WRkrn.sys the error code is Oxc000007b I have windows 10
Submitted: 1 month ago.
Category: Computer
Expert:  Dan replied 1 month ago.

Hello and thank you for your question. I look forward to assisting you today. Can you tell me please what repair process you tried?

Customer: replied 1 month ago.
Tried the automatic repair but did not work
Customer: replied 1 month ago.
Still waiting for an answer
Expert:  Dan replied 1 month ago.

Was this from the repair menu when you first start the computer?

Customer: replied 1 month ago.
Expert:  Dan replied 1 month ago.

Did you receive an error message or how did the recovery fail?

Expert:  Dan replied 1 month ago.

Did you try a repair or restore?

Customer: replied 1 month ago.
Oxc000007b
Customer: replied 1 month ago.
That's the error code
Expert:  Dan replied 1 month ago.

When you restarted, did you press the F10 key to enter the recovery menu?

Customer: replied 1 month ago.
but was unable to reset the pic says a required drive partition is missing
Expert:  Dan replied 1 month ago.

Okay, give me a minute please.

Expert:  Dan replied 1 month ago.

What you will need to do is either download the recovery media from Acer or order the CD. Go to this LINK and enter the required information on the page to see if you can download the recovery media.

Expert:  Dan replied 1 month ago.

How are you doing?

Customer: replied 1 month ago.
Still trying to download
Expert:  Dan replied 1 month ago.

Okay.

Expert:  Dan replied 1 month ago.

Let me know if you need further assistance.