How to Hard Reset Sony PRS500.

The Hard Reset steps for PRS500 are as follows:
     (Hard Reset will delete all the data/files saved in the internal memory of the Reader.)

1. Make sure that the Reader is turned OFF before resetting it.
2. Press the RESET button located at the rear (remove the cover) of the Reader using a pointed clip and turn it ON.
3. Reader should display the "Starting up..." message; when this message is displayed, press and hold the MARK and the VOL+ buttons at the same time. (The MARK button is labeled as MARK and is located below the Circular button and the VOL+ button is located above the POWER switch).
4. The Reader should display the "Reset All: Do you want to DELETE all content, restore all factory settings, and remove the CONNECT ID?" message, then press the 5 button to Hard Reset it. 
5. It may take few minutes to complete the process. Once the process is completed, the Reader will turn OFF. 

If you wish to cancel Hard Reset, press MENU when the "Reset All" message appears.