Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver. • 5mm socket driver. When Installing a New Motherboard Before replacing the motherboard, you must (if possible) electronically store the motherboard’s serial number and service ID for transfer to the new motherboard. 1. Exit Windows and boot to a DOS prompt: • For Windows 98 or ME, press F8 during reboot and select Command Prompt Only. • For Windows 2000, boot from a DOS boot floppy disk. 2. Run ESN.EXE from one of these sources: • On a factory software installation, change to the \HP\Drivers\Hputils directory and type esn at the prompt.
• Otherwise, copy \HP\Drivers\Hputils\ESN.EXE from the Recovery CD, then run it on the notebook. 3. Save the serial number and service ID. 2-34 Removal and Replacement HP OmniBook XE3