Originally Posted by sucah
If you want to try restart the kindle, this how to do it: first press 'home', 'menu', press 'down' 5 times (go to settings) and press center of 5 way button. Now you are on 'Settings Page', press 'menu' once again, press 'down' 2 times (goto restart, make sure not to 'Reset to Factory Defaults') and press center of 5 way button. That's all, just wait until you home screen restore (no more than 3 minutes on mine).
A much easier way is to simply slide and hold the power switch for 15 seconds; the Kindle will automatically restart.