HP ProBook 4445s HP ProBook 4445s Notebook PC HP ProBook 4446s Notebook PC - M - Page 64
Fingerprint reader, WLAN module see
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Fingerprint reader Description Fingerprint reader Spare part number 683652-001 Before removing the fingerprint reader, 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 following components: a. Battery (see Battery on page 33) b. Bottom door (see Bottom door on page 34). c. Hard drive (see Hard drive on page 38) d. Optical drive (see Optical drive on page 35) e. Memory (see Memory modules on page 40) f. WLAN module (see WLAN/Bluetooth combo card on page 42) g. Keyboard (see Keyboard on page 44) h. Metal heat shield (see Metal heat shield on page 46) i. Fan (see Fan on page 47) j. Top cover (see Top cover on page 48) Remove the fingerprint reader: 1. Position the top cover upside-down with the front toward you. 2. Remove the Phillips PM2.0×3.0 screw (1 that secures the device to the top cover. 3. Slide the fingerprint reader out of the retainer (2. 56 Chapter 4 Removal and replacement procedures