HP 620 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 67

Memory module, Remove the memory module

Page 67 highlights

Memory module NOTE: When adding a second memory module, be sure it is the same type and speed as the installed memory module. Description 2-GB (PC3-10600, 1333-MHz, DDR3) 1-GB (PC3-10600, 1333-MHz, DDR3) Spare part number 598856-001 598859-001 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 53). 5. Remove the service door (see Service door on page 53). 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 59

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Memory module
NOTE:
When adding a second memory module, be sure it is the same type and speed as the
installed memory module.
Description
Spare part number
2-GB (PC3-10600, 1333-MHz, DDR3)
598856-001
1-GB (PC3-10600, 1333-MHz, DDR3)
598859-001
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
53
).
5.
Remove the service door (see
Service door
on page
53
).
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
59