40 - Recoverysolved by returning your system to a previous state when everythingwas working correctly.For instructions, see "Returning to an earlier system snapshot" onpage 43.3. Reset your operating system.If nothing else has solved the problem and you want to reset yoursystem, but keep your user information, see "Returning your systemto its factory condition" on page 44.4. Reset your system to its factory condition.If nothing else has solved the problem and you want to reset yoursystem to factory condition, see "Returning your system to its factorycondition" on page 44.Reinstalling drivers and applicationsAs a troubleshooting step, you may need to reinstall the applications anddevice drivers that came pre-installed on your computer from the factory.You can reinstall using either your hard drive or the backup you havecreated.• Other applications - If you need to reinstall software that did not comepre-installed on your computer, you need to follow that software’sinstallation instructions.• New device drivers - If you need to reinstall device drivers that did notcome pre-installed on your computer, follow the instructions providedwith the device.
