Vizio CT14-A0 - Quickstart Guide - Manual (Page 25)

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I am having trouble with my PC. How do I perform a system restore?
Sometimes installing a program or driver can make Windows run slowly or
unpredictably. System Restore can return your PC’s system files and programs
to a time when everything was working fine, potentially preventing hours of
troubleshooting. It won’t affect your documents, pictures, or other data.
1. Before you start System Restore, save any open files and close all programs.
System Restore will restart your PC.
2. Open System Restore by clicking the Start button. In the search box, type
System Restore, and then, in the list of results, click System Restore. If you’re
prompted for an administrator password or confirmation, type the password
or provide confirmation.
3. Follow the steps in the wizard to choose a restore point and restore your
computer.
There is no sound from my PC’s speakers.
• Increase the volume using the function keys (F8 and F9).
• Ensure the volume is not muted. Press F7 to toggle the mute function.
• Increase the volume conrol in Windows.
• If you are using external speakers or headphones, ensure they are securely
connected to the PC. If they have a manual volume control, increase the
volume using that control.