HP 6820s HP Compaq 6820s Notebook PC - Maintenance and Service Guide - Page 71

System board, Shut down the computer. If you are unsure whether the computer is off or in Hibernation

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f. Display assembly (see Display assembly on page 51) g. Top cover (see Top cover on page 55) Remove the Bluetooth module: 1. Disconnect the Bluetooth module cable (1) from the system board. 2. Remove the two Phillips PM2.0×4.0 screws (2) that secure the Bluetooth module to the base enclosure. 3. Remove the Bluetooth module (3) from the base enclosure. Reverse this procedure to install the Bluetooth module. System board NOTE: All system board spare part kits include replacement thermal material. Description Includes 128 MB of DDR2 graphics subsystem memory Includes 64 MB of DDR2 graphics subsystem memory Includes 128 MB of DDR1 graphics subsystem memory Includes 64 MB of DDR1 graphics subsystem memory Spare part number 456613-001 456612-001 456611-001 456610-001 Before removing the system board, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. Component replacement procedures 61

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f.
Display assembly (see
Display assembly
on page
51
)
g.
Top cover (see
Top cover
on page
55
)
Remove the Bluetooth module:
1.
Disconnect the Bluetooth module cable
(1)
from the system board.
2.
Remove the two Phillips PM2.0×4.0 screws
(2)
that secure the Bluetooth module to the base
enclosure.
3.
Remove the Bluetooth module
(3)
from the base enclosure.
Reverse this procedure to install the Bluetooth module.
System board
NOTE:
All system board spare part kits include replacement thermal material.
Description
Spare part number
Includes 128 MB of DDR2 graphics subsystem memory
456613-001
Includes 64 MB of DDR2 graphics subsystem memory
456612-001
Includes 128 MB of DDR1 graphics subsystem memory
456611-001
Includes 64 MB of DDR1 graphics subsystem memory
456610-001
Before removing the system board, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
Component replacement procedures
61