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 73.
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 74.
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 74.
Reinstalling drivers and applications
As a troubleshooting step, you may need to reinstall the applications and device drivers that came
•Other applications - If you need to reinstall software that did not come
•New device drivers - If you need to reinstall device drivers that did not come