If you hear an unfamiliar scraping or grinding sound

81

Hard drive problems

81

E-Mail, Modem, and Internet Problems

82

Error Messages

83

IEEE 1394 Device Problems

87

Keyboard Problems

87

External Keyboard problems

87

Unexpected characters

88

Lockups and Software Problems

88

The computer does not start up

88

The computer stops responding

88

A program stops responding or crashes repeatedly

88

A program is designed for an earlier Microsoft® Windows®

89

operating system

A solid blue screen appears

89

Dell MediaDirect problems

89

Other software problems

90

Memory Problems

90

Network Problems

91

ExpressCard Problems

91

Power Problems

91

Ensuring Sufficient Power for Your Computer

92

Printer Problems

92

Scanner Problems

93

Sound and Speaker Problems

94

No sound from integrated speakers

94

No sound from external speakers

94

No sound from headphones

94

Touch Pad or Mouse Problems

95

Video and Display Problems

95

If the display is blank

95

If the display is difficult to read

96

If only part of the display is readable

96

Contents

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Dell PP19L, 140M owner manual If only part of the display is readable Contents