HP 550 HP 550 Notebook PC - Maintenance and Service Guide - Page 52

Memory module, Lift the front edge of the cover

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Memory module Description 2-GB (PC2-5300, 667-MHz, DDR2) 1-GB (PC2-5300, 667-MHz, DDR2) 512-MB (PC2-5300, 667-MHz, DDR2) Spare part number 500759-001 500758-001 500760-001 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 38). Remove the memory module: 1. Loosen the Phillips PM2.0×5.0 captive screw (1) that secures the memory module compartment cover to the computer. 2. Lift the front edge of the cover (2), swing it up and back, and remove the cover. The memory module compartment cover is included in the Plastics Kit, spare part number 456614-001. 3. 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.) 44 Chapter 4 Removal and replacement procedures

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Memory module
Description
Spare part number
2-GB (PC2-5300, 667-MHz, DDR2)
500759-001
1-GB (PC2-5300, 667-MHz, DDR2)
500758-001
512-MB (PC2-5300, 667-MHz, DDR2)
500760-001
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
38
).
Remove the memory module:
1.
Loosen the Phillips PM2.0×5.0 captive screw
(1)
that secures the memory module compartment
cover to the computer.
2.
Lift the front edge of the cover
(2)
, swing it up and back, and remove the cover. The memory module
compartment cover is included in the Plastics Kit, spare part number 456614-001.
3.
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.)
44
Chapter 4
Removal and replacement procedures