Memory Module - HP 320 - Notebook PC Maintenance And Service Manual

Compaq 320, 321, 420, 421, 620 and 621 notebook pcs hp 420 and 620 notebook pcs - maintenance and service guide
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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
2-GB (PC3-10600, 1333-MHz, DDR3)
1-GB (PC3-10600, 1333-MHz, DDR3)
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
5.
Remove the service door (see
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.)
Battery on page
53).
Service door on page
53).
Component replacement procedures
Spare part number
598856-001
598859-001
59

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