Installing the Backplane Board

84

Sideplane Board

84

Removing the Sideplane Board

84

Installing the Sideplane Board

85

System Battery

85

Replacing the System Battery

85

Control Panel Assembly

87

Removing the Control Panel

87

Installing the Control Panel

88

System Board

89

Removing the System Board

89

Installing the System Board

90

4 Troubleshooting Your System

Safety First—For You and Your System

93

Start-Up Routine

93

Checking the Equipment

94

Troubleshooting IRQ Assignment Conflicts

94

Troubleshooting External Connections

94

Troubleshooting the Video Subsystem

95

Troubleshooting the Keyboard

95

Troubleshooting the Mouse

96

Troubleshooting Basic I/O Functions

96

Troubleshooting a Serial I/O Device

97

Troubleshooting a USB Device

97

Troubleshooting a NIC

98

Troubleshooting a Wet System

98

Troubleshooting a Damaged System

99

Troubleshooting the System Battery

100

Troubleshooting Power Supplies

100

Troubleshooting System Cooling Problems

101

Troubleshooting a Fan

101

6

Contents

Page 6
Image 6
Dell 1950 owner manual 100, Troubleshooting System Cooling Problems 101