If you have problems with your Acer Aspire 3690 computer and have tried unsuccessfully to correct the problem, the computer comes with a recovery program that can be accessed from your Windows desktop. This program restores your computer from a sudden disaster. When possible, back up your important files before performing a recovery.
Click "Start," "All programs," "Run," "Acer Empowering Technology" and "Acer eRecovery Management."
Click "Restore" at the bottom of the "Acer eRecovery Management" window.
Select "Restore system to factory defaults."