HP ProBook 4340s HP ProBook 4340s Notebook PC HP ProBook 4341s Notebook PC - M - Page 69

System board, the computer on, and then shut it down through the operating system.

Page 69 highlights

NOTE: The latch assembly includes a small spring. Note the location of the spring. Remove the latch assembly: 1. Position the computer right-side up, with the front toward you. 2. Detach the spring hook (1) from the tab on the base enclosure (2). 3. Rotate the latch (3) and lift it from the computer. Reverse this procedure to install the latch assembly. System board NOTE: All system board spare part kits include replacement thermal material. Description System board for use in models with discrete graphics System board for use in models with UMA graphics System board for use in Japan in models with UMA graphics Spare part number 683855-001 683856-001 696335-001 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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NOTE:
The latch assembly includes a small spring. Note the location of the spring.
Remove the latch assembly:
1.
Position the computer right-side up, with the front toward you.
2.
Detach the spring hook
(1)
from the tab on the base enclosure
(2)
.
3.
Rotate the latch
(3)
and lift it from the computer.
Reverse this procedure to install the latch assembly.
System board
NOTE:
All system board spare part kits include replacement thermal material.
Description
Spare part number
System board for use in models with discrete graphics
683855-001
System board for use in models with UMA graphics
683856-001
System board for use in Japan in models with UMA graphics
696335-001
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