HP 14 C9K59UT#ABA, D8C11UT 14 D8C11UT#ABA, 4540s C6Z35UT#ABA manual 105

Plastic parts	36
Cables and connectors	37
Drive handling	37
Grounding guidelines	38
Electrostatic discharge damage	38
Packaging and transporting guidelines	39
Workstation guidelines	39
Equipment guidelines	40
Component replacement procedures	41
Service tag	41
Battery	42
Using the optional security screw	43
Bottom door	44
SIM	45
Optical drive	46
Hard drive	48
Memory modules	50
WWAN module	52
WLAN/Bluetooth combo card	54
Keyboard	56
Heat shield	59
Fan	61
Heat sink	63
Processor	66
Top cover	67
Fingerprint reader board	75
Speaker assembly	76
Function board/Power button board assembly	79
Audio board	81
USB connector assembly	82
Battery cable	84
System board	85
RTC battery	88
Optical drive extension board (4540s models only)	90
Hard drive extension board (4540s models only)	92
Power cable	94
Latch assembly	95
Display assembly	97
5 Computer Setup (BIOS) and Advanced System Diagnostics	105
Using Computer Setup	105

vi