How to perform a hard reset on the Palm Treo Pro.
These steps will erase all data from the device. You may want to synchronize if possible before trying these steps.
- Take the back panel off to expose the reset hole.
- Press Power to turn on the screen.
- While pressing and holding End, use the tip of the stylus or a small paper clip to press and release the Reset button.
- Continue pressing and holding End until the Erase all data? prompt appears.
- Press Up.
- Wait for the progress bar on to fill up, then you can use the device again.

March 9th, 2010 on 6:13 pm
Thanks. Saved me a long read on the Palm manual.