HP EliteBook 650 Maintenance and Service Guide - Page 6

Cleaning your computer ...36 Enabling HP Easy Clean (select products only) ...36 Removing dirt and debris from your computer...36 Cleaning your computer with a disinfectant ...37 Caring for wood veneer (select products only) ...38 Packaging and transporting guidelines ...38 Accessing support information ...38 5 Removal and replacement procedures for Customer Self-Repair parts 41 Component replacement procedures...41 Preparation for disassembly ...41 Bottom cover ...41 Using a SIM card (select products only)...42 Determining the correct SIM card size for your computer 43 Inserting a SIM card in an external slot ...43 Memory modules...43 WLAN module ...45 WWAN module ...47 Solid-state drive ...48 6 Removal and replacement procedures for authorized service provider parts 51 Component replacement procedures...51 Preparation for disassembly ...51 Battery ...51 RTC battery ...52 I/O board ...53 Touchpad ...54 NFC module...55 Smart card reader...56 Fan ...57 Fingerprint reader board ...58 Heat sink ...59 System board...60 Speakers ...63 Power connector cable ...64 Display assembly...65 Top cover with keyboard (includes smart card board 73 7 Computer Setup (BIOS), TPM, and HP Sure Start...75 Using Computer Setup...75 Navigating and selecting in Computer Setup ...75 Restoring factory settings in Computer Setup ...75 Updating the BIOS...76 Determining the BIOS version ...76 Preparing for a BIOS update ...76 Downloading a BIOS update ...77 Installing a BIOS update ...77 Changing the boot order using the f9 prompt ...77 vi