After replacing the display assembly or motherboard, you must use the Service Utilities floppy disk to reprogram the EEPROM on the motherboard for the new display.
1. Download the notebook series service package from the Partnership Web site (see page vii), and create a Service Utilities floppy disk as described in the packages Readme file.
2. Plug in an AC adapter.
3. Insert the Service Utilities floppy disk in the floppy drive. If the unit has no internal floppy drive, connect a USB floppy drive.
4. Turn on the notebook.
5. When you see the HP logo, press ESC to display the boot menu, then boot from the floppy drive.
6. Select the option to update the display/LCD identification stored on the motherboard.