How to repair broken iPAQ after unsuccessful ROM upgrade - Resco Forums

How to repair broken iPAQ after unsuccessful ROM upgrade - Resco Forums: "How to put the iPAQ hx4700 into Bootloader mode

Press the POWER + iTASK + CONTACTS buttons at the same time and hold all of them. Then shortly press the Reset button on the bottom and release all of them. The screen with HP logo in the middle will appear having the bootloader version at the bottom and the text “Serial” on the top. If you will connect the device to USB, the text “Serial” will change to “USB”."