HP ProBook 4420s HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Mai - Page 63

Memory module, remove the memory modules.

Page 63 highlights

Memory module Description Memory module (PC3-10600, 1333-MHz, DDR3, shared) 2048-MB 1024-MB Spare part number 598856-002 598859-002 Before removing the memory module, 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. 4. Remove the battery (see Battery on page 49). 5. Remove the switch cover (see Switch cover on page 51). 6. Remove the keyboard (see Keyboard on page 53). NOTE: You can release the keyboard without removing the keyboard cable from the system board, and then rotate it right until it rests upside down on the right side of the computer to remove the memory modules. Remove the memory module: 1. Position the computer right-side up with the front toward you. 2. Spread the retaining tabs (1) on each side of the memory module slot to release the memory module. (The edge of the module opposite the slot rises away from the computer.) Component replacement procedures 55

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Memory module
Description
Spare part number
Memory module
(PC3-10600, 1333-MHz, DDR3, shared)
2048-MB
598856-002
1024-MB
598859-002
Before removing the memory module, 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.
4.
Remove the battery (see
Battery
on page
49
).
5.
Remove the switch cover (see
Switch cover
on page
51
).
6.
Remove the keyboard (see
Keyboard
on page
53
).
NOTE:
You can release the keyboard without removing the keyboard cable from the system
board, and then rotate it right until it rests upside down on the right side of the computer to
remove the memory modules.
Remove the memory module:
1.
Position the computer right-side up with the front toward you.
2.
Spread the retaining tabs
(1)
on each side of the memory module slot to release the memory
module. (The edge of the module opposite the slot rises away from the computer.)
Component replacement procedures
55