HP 255 G3, Руководство по техническому обслуживанию и ремонту

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Memory module
Description Spare part number
8-GB (PC3L, 12800, 1600-MHz) 693374-001
4-GB (PC3L, 12800, 1600-MHz) 691740-001
2-GB (PC3L, 12800, 1600-MHz) 691739-001
Before removing a 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 31 ), and then remove the following components:
● Keyboard (see Keyboard on page 35 )
● Top cover (see Top cover on page 43 )
● WLAN module (see WLAN module on page 51 )
● System board (see System board on page 56 )
To remove a memory module:
1. Spread the retaining tabs (1) on each side of the memory module slot to release the memory module.
(The memory module tilts up.)
2. Remove the memory module (2) by pulling it away from the slot at an angle.
Reverse this procedure to install a memory module.
Component replacement procedures 65