HP 15-ew0 Series Maintenance And Service Manual page 4

Drive handling............................................................................................................................................................................. 26
Electrostatic discharge information ................................................................................................................................................. 26
Generating static electricity...................................................................................................................................................... 27
Preventing electrostatic damage to equipment ................................................................................................................... 27
Personal grounding methods and equipment ...................................................................................................................... 27
Grounding the work area .......................................................................................................................................................... 28
Recommended materials and equipment ............................................................................................................................. 28
Cleaning your computer..................................................................................................................................................................... 29
Enabling HP Easy Clean (select products only) ..................................................................................................................... 29
Removing dirt and debris from your computer..................................................................................................................... 29
Cleaning your computer with a disinfectant .......................................................................................................................... 30
Caring for wood veneer (select products only) ..................................................................................................................... 31
Packaging and transporting guidelines........................................................................................................................................... 31
Accessing support information ......................................................................................................................................................... 32
5 Removal and replacement procedures for authorized service provider parts .............................................................................. 34
Component replacement procedures.............................................................................................................................................. 34
Preparation for disassembly .................................................................................................................................................... 34
Bottom cover .............................................................................................................................................................................. 34
Battery ......................................................................................................................................................................................... 36
Solid-state drive ......................................................................................................................................................................... 37
Memory modules ....................................................................................................................................................................... 39
WLAN module ............................................................................................................................................................................. 41
Infrared cable.............................................................................................................................................................................. 43
System fan .................................................................................................................................................................................. 43
Display assembly ....................................................................................................................................................................... 44
Heat sink...................................................................................................................................................................................... 54
System board.............................................................................................................................................................................. 56
Speakers ...................................................................................................................................................................................... 59
Touchpad cable........................................................................................................................................................................... 60
Touchpad ..................................................................................................................................................................................... 61
Top cover/keyboard ................................................................................................................................................................... 62
6 Computer Setup (BIOS), TPM, and HP Sure Start................................................................................................................................ 64
Using Computer Setup ....................................................................................................................................................................... 64
Navigating and selecting in Computer Setup ....................................................................................................................... 64
Restoring factory settings in Computer Setup ...................................................................................................................... 65
Updating the BIOS...................................................................................................................................................................... 65
Determining the BIOS version......................................................................................................................................... 65
Preparing for a BIOS update............................................................................................................................................ 65
Downloading a BIOS update................................................................................................................................... 66
Installing a BIOS update .......................................................................................................................................... 66
Changing the boot order using the f9 prompt ..................................................................................................................... 66
TPM BIOS settings (select products only) ....................................................................................................................................... 67
Using HP Sure Start (select products only) ..................................................................................................................................... 67
7 Backing up, restoring, and recovering .................................................................................................................................................. 68
iv