Riser Card

79

Removing the Riser Card

79

Installing the Riser Card

80

System Memory

81

Memory Module Installation Guidelines

81

Installing Memory Modules

82

Removing Memory Modules

84

Processor

85

Replacing the Processor

85

Control Panel Assembly (Service-Only

 

Procedure)

89

Removing the Control Panel Assembly

89

Installing the Control Panel Assembly

90

System Board (Service-Only Procedure)

91

Removing the System Board Assembly

91

Installing the System Board Assembly

94

4 Troubleshooting Your System

97

Safety First—For You and Your System

97

Start-Up Routine

97

Checking the Equipment

98

Troubleshooting IRQ Assignment Conflicts . . . .

98

Troubleshooting External Connections

99

Troubleshooting the Video Subsystem

99

Troubleshooting the Keyboard

100

Troubleshooting the Mouse

101

Troubleshooting Basic I/O Functions

101

Troubleshooting a Serial I/O Device

102

6

Contents

Page 6
Image 6
Dell NM176 owner manual Troubleshooting Your System, Safety First-For You and Your System