User manual
Table Of Contents
- System specifications
- System utilities
- Replacing notebook components
- Preventing static electricity discharge
- Preparing the work space
- Required tools
- Preparing the notebook
- Removing the battery
- Removing the bay cover
- Adding or replacing memory modules
- Replacing the wireless card
- Replacing the hard drive
- Replacing the optical drive
- Replacing the keyboard cover
- Replacing the multimedia board
- Replacing the keyboard
- Replacing the LCD panel assembly
- Replacing the palm rest
- Replacing the speakers
- Replacing the touchpad board
- Replacing the modem board
- Replacing the USB board
- Replacing the Bluetooth module
- Replacing the system board
- Replacing the cooling assembly
- Replacing the processor
- Replacing the LCD front panel
- Replacing the webcam
- Replacing the LCD
- Replacing the LCD panel hinge brackets
- Replacing the power button board
- Replacing the Kensington lock cap
- Replacing the microphone
- Replacing the antennas
- Replacing the LCD assembly lid
- Troubleshooting
- Connector locations
- FRU (Field-Replaceable Unit) list
- Test compatible components
- Online support information

CHAPTER 2: System utilities
40
Clearing a BIOS password
To clear a lost BIOS password (user or supervisor password) you need to short
the clear password hardware gap (G102) located on the system board.
To clear a BIOS password:
1 Turn off the notebook and unplug all the peripherals connected to it.
2 Complete the steps in “Removing the battery” on page 48.
3 Complete the steps in “Removing the bay cover” on page 49.
4 Remove the memory module(s) and locate the G102 gap.
5 Use an electrical conductivity tool to short the two contacts on the hardware
gap together.
6 While resting the tool on the two contacts, plug one end of the AC adapter
into the DC power jack and plug one end to an electrical outlet.
7 Press the power button to turn on the system.
8 After the POST, remove the tool from the hardware gap.
9 Reinstall the memory module(s), battery pack, and the bay cover.
10 Turn on the notebook and press F2 during bootup to access the Setup utility.
11 Press F9 to load the system defaults.
12 Press F10 to save the changes you made and close the setup Utility.
Gap Default setting Function
G102 Open (normal) Short to clear the user and supervisor
passwords.
Discrete model
UMA model