Electrostatic discharge damage

44

Packaging and transporting guidelines

45

Workstation guidelines

45

Equipment guidelines

46

Unknown user password

47

Component replacement procedures

48

Service tag

48

Computer feet

49

Battery

50

SIM

51

Display inverter

52

Bluetooth module

54

Hard drive

56

Optical drive

59

Upgrade bay device

60

Expansion memory module

62

WWAN module

63

Keyboard

65

Primary memory module

67

Modem module

69

WLAN module

70

RTC battery

73

Switch cover

74

Power button board

76

Fan

77

Heat sink

78

Processor

83

Display assembly

85

Top cover

90

TouchPad

92

Fingerprint reader board

94

Bluetooth module cable

95

Speaker

96

Audio/ExpressCard assembly

97

Modem module cable

98

System board

100

5 Computer Setup

103

Starting Computer Setup

103

Using Computer Setup

103

Navigating and selecting in Computer Setup

103

Restoring factory settings in Computer Setup

104

Computer Setup menus

105

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HP BJ840USABA, FN010UTABA manual Computer Setup 103