HP ProBook 6440b HP ProBook 6545b, 6540b, 6445b and 6440b Notebook PC - Mainte - Page 140
System board, Mass storage device see
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Removal and replacement procedures System board ✎ The system board spare part kit includes replacement thermal material. Description Spare part number For use only with HP Compaq 6545b computer models 583257-001 For use only with HP Compaq 6445b computer models 583261-001 For use only with HP Compaq 6540b computer models equipped with discrete graphics subsystem 593839-001 memory in all countries and regions except the People's Republic of China and Russia (includes 64-MB of graphics subsystem memory) For use only with HP Compaq 6540b computer models equipped with discrete graphics subsystem 603190-001 memory in the People's Republic of China and Russia (includes 64-MB of graphics subsystem memory) For use only with HP Compaq 6540b computer models equipped with UMA graphics subsystem memory in all countries and regions except the People's Republic of China and Russia (includes 64-MB of graphics subsystem memory) 593841-001 For use only with HP Compaq 6540b computer models equipped with UMA graphics subsystem memory in the People's Republic of China and Russia (includes 64-MB of graphics subsystem memory) 603192-001 For use only with HP Compaq 6440b computer models equipped with discrete graphics subsystem 593840-001 memory in all countries and regions except the People's Republic of China and Russia (includes 64-MB of graphics subsystem memory) For use only with HP Compaq 6440b computer models equipped with discrete graphics subsystem 603191-001 memory in the People's Republic of China and Russia (includes 64-MB of graphics subsystem memory) For use only with HP Compaq 6440b computer models equipped with UMA graphics subsystem memory in all countries and regions except the People's Republic of China and Russia (includes 64-MB of graphics subsystem memory) 593842-001 For use only with HP Compaq 6440b computer models equipped with UMA graphics subsystem memory in the People's Republic of China and Russia (includes 64-MB of graphics subsystem memory) 603193-001 Before removing the system board, 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. Fan (see "Fan" on page 4-36) g. Heat sink (see "Heat sink" on page 4-37) h. Palm rest (see "Palm rest" on page 4-33) Maintenance and Service Guide 4-71