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8.
Release the ZIF connector to which the pointing stick cable is attached, and then disconnect the
cable (4) from the keyboard.
9.
Remove the keyboard.
Reverse this procedure to install the keyboard.
Secondary memory module
Description Spare part number
1 GB (PC3-10600, 1333 MHz, DDR3) 639738-001
2 GB (PC3-10600, 1333 MHz, DDR3) 621565-001
4 GB (PC3-10600, 1333 MHz, DDR3) 621569-001
8 GB (PC3-10600, 1333 MHz, DDR3) 634091-001
Update BIOS before adding memory modules
Before adding new memory, make sure you update the computer to the latest BIOS.
CAUTION: Failure to update the computer to the latest BIOS prior to installing new memory may
result in various system problems.
To update BIOS:
1.
Navigate to
www.hp.com.
2.
Click Support & Drivers > click Drivers & Software.
58 Chapter 4 Removal and replacement procedures