HP ProBook 6540b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 83

Removal and replacement procedures Expansion memory module Description For use only with HP Compaq 6545b and 6445b computer models: ■ 4096-MB (800-MHz, DDR2) ■ 2048-MB (800-MHz, DDR2) ■ 1024-MB (800-MHz, DDR2) For use only with HP Compaq 6540b and 6440b computer models: ■ 4096-MB (1333-MHz, DDR3) ■ 2048-MB (1333-MHz, DDR3) ■ 1024-MB (1333-MHz, DDR3) Spare part number 583242-001 583241-001 583240-001 593994-001 583074-001 583073-001 Before removing the expansion 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 4-7). Remove the expansion memory module: 1. Position the computer with the front toward you. 2. Loosen the Phillips PM2.0×6.0 captive screw 1 that secures the memory module compartment cover to the computer. 3. Lift the left side of the cover 2 to detach it from the computer. 4. Remove the memory module compartment cover 3. The memory module compartment cover is included in the Plastics Kit, spare part numbers 583279-001 (for use only with HP Compaq 6545b and 6540b computer models) and 583954-001 (for use only with HP Compaq 6445b and 6400 computer models). 4-14 Maintenance and Service Guide