Acer aspire e1-771 사용자 설명서

solved by returning your system to a previous state when everything 
was working correctly. 

 

For instructions, see "Returning to an earlier system snapshot" on 
page 47.

3. Reset your operating system.

 

If nothing else has solved the problem and you want to reset your 
system, but keep your user information, see "Returning your system 
to its factory condition" on page 48.

4. Reset your system to its factory condition.

 

If nothing else has solved the problem and you want to reset your 
system to factory condition, see "Returning your system to its factory 
condition" on page 48.

As a troubleshooting step, you may need to reinstall the applications and 
device drivers that came pre-installed on your computer from the factory. 
You can reinstall using either your hard drive or the backup you have 
created.
• Other applications - If you need to reinstall software that did not come 

pre-installed on your computer, you need to follow that software’s 
installation instructions. 

• New device drivers - If you need to reinstall device drivers that did not 

come pre-installed on your computer, follow the instructions provided 
with the device.