HP ProBook 6440b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 125

Removal and replacement procedures Top cover Description For use only with HP Compaq 6545b computer models equipped with a pointing stick For use only with HP Compaq 6545b computer models not equipped with a pointing stick For use only with HP Compaq 6540b computer models equipped with a pointing stick For use only with HP Compaq 6540b computer models not equipped with a pointing stick For use only with HP Compaq 6445b computer models equipped with a pointing stick For use only with HP Compaq 6545b computer models not equipped with a pointing stick For use only with HP Compaq 6440b computer models equipped with a pointing stick For use only with HP Compaq 6540b computer models not equipped with a pointing stick Spare part number 583271-001 583272-001 593862-001 593863-001 583273-001 583274-001 593864-001 593865-001 Before removing the top cover, 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). 5. Remove the following components: a. Bluetooth module (see "Bluetooth module" on page 4-9) b. Mass storage device (see "Mass storage device" on page 4-11) c. Optical drive (see "Optical drive" on page 4-21) d. Keyboard (see "Keyboard" on page 4-23) e. Switch cover (see "Switch cover" on page 4-30) f. Palm rest (see "Palm rest" on page 4-33) g. TouchPad (see "TouchPad" on page 4-35) h. Display assembly (see "Display assembly" on page 4-42) 4-56 Maintenance and Service Guide