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70-687 Configuring Windows 8.1 – sample exam – Q74

You administer Windows 8.1 computers in your company network.
You install a new video driver. The computer will not start properly after restart. You are able to enter Safe Mode with Command Prompt.
You need to be able to start normally. You also need to ensure that user data is not lost. What should you do?

A. Run the rstrui.exe command.
B. Roll back the driver.
C. Turn on File History.
D. Create a restore point.


Correct Answer: A

Personal comment:
Creating a restore point will not help you at this moment.
Nor will File History.
You cannot roll back the driver, only disable it from starting – see the Further information section. Your only hope is using System Restore to restore the system to the state previous to the driver installa- tion. This will also preserve the user data. This has been available since Windows XP. One can only hope it still works in Windows 8…

Explanation:
http://support.microsoft.com/kb/304449
How to start the System Restore tool by using the safe mode option with the Command prompt in Windows XP

How to start System Restore by using the Command prompt
..
5. At the command prompt, type %systemroot%\system32\restore\rstrui.exe, and then press ENTER.
6. Follow the instructions that appear on the screen to restore your computer to a functional state.

Further Information:
http://support.microsoft.com/kb/927525
After you install a device or update a driver for a device, Windows Vista or Windows 7 may not start


Use the Windows Recovery Environment to repair Windows Vista or Windows 7 ..
3. Use the Command Prompt option in the Windows Recovery Environment to disable the driver that stops the operating system from starting.

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