Recovering the Configuration Settings

65

6 Troubleshooting without diagnostics

66

Safety and comfort

66

Before you call for technical support

66

Helpful hints

67

Solving general problems

68

Solving power problems

72

Solving hard drive problems

73

Solving media card reader problems

75

Solving display problems

76

Solving audio problems

80

Solving printer problems

82

Solving keyboard and mouse problems

83

Solving Hardware Installation Problems

85

Solving Network Problems

87

Solving memory problems

90

Solving CD-ROM and DVD problems

92

Solving USB flash drive problems

94

Solving front panel component problems

95

Solving Internet access problems

95

Solving software problems

96

7 POST error messages

98

POST numeric codes and text messages

98

Interpreting POST diagnostic front panel LEDs and audible codes

103

8 Password security and resetting CMOS

106

Resetting the password jumper

106

Changing a Setup or Power-On password

107

Deleting a Setup or Power-On password

108

Clearing and resetting the CMOS

108

9 HP PC Hardware Diagnostics

110

Why run HP PC Hardware Diagnostics

110

How to access and run HP PC Hardware Diagnostics

110

Downloading HP PC Hardware Diagnostics (UEFI) to a USB device

110

10 System backup and recovery

112

Backing up, restoring, and recovering in Windows 8.1 or Windows 8

112

vii

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