HP PROBOOK 4520S, Руководство по техническому обслуживанию и ремонту

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3. Remove the memory module (2) by pulling the module away from the slot at an angle.
NOTE: Memory modules are designed with a notch to prevent incorrect insertion into the
memory module slot.
Reverse this procedure to install a memory module.
Optical drive
NOTE: All optical drive spare part kits include an optical drive bezel.
Description Spare part number
DVD±RW Double-Layer Drive with LightScribe (includes bezel) 598694-001
Blu-ray Disc ROM Drive with SuperMulti DVD±R/RW Double-Layer (includes bezel) 598695-001
DVD-ROM Drive (includes bezel) 598693-001
Before removing the optical drive, 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.
Component replacement procedures 61