Start-Up Routine

129

Checking the Equipment

130

Troubleshooting IRQ Assignment Conflicts . . . .

130

Troubleshooting External Connections

131

Troubleshooting the Video Subsystem

131

Troubleshooting the Keyboard

132

Troubleshooting the Mouse

133

Troubleshooting Basic I/O Functions

133

Troubleshooting a Serial I/O Device

134

Troubleshooting a USB Device

134

Troubleshooting a NIC

136

Troubleshooting a Wet System

137

Troubleshooting a Damaged System

138

Troubleshooting the System Battery

138

Troubleshooting Power Supplies

139

Troubleshooting System Cooling Problems

140

Troubleshooting a Fan

141

Troubleshooting System Memory

142

Troubleshooting an Optical Drive

143

Troubleshooting an External SCSI Tape Drive

144

Troubleshooting a Hard Drive

146

Troubleshooting a SAS Controller Daughter Card . . .

147

Troubleshooting Expansion Cards

149

Troubleshooting the Microprocessors

150

8

Contents

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Image 8
Dell DL2000 Troubleshooting IRQ Assignment Conflicts, Troubleshooting External Connections, Troubleshooting the Keyboard