4troubleshooting your system – Dell PowerVault NX3000 User Manual
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Contents
137
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138
138
Control Panel Assembly (Service-only Procedure)
140
Removing the Control Panel Display Module
140
Installing the Control Panel Display Module
140
Removing the Control Panel Board
141
Installing the Control Panel Board
142
SAS Backplane (Service-Only Procedure)
143
143
144
System Board (Service-Only Procedure)
145
145
147
4
149
Safety First—For You and Your System
149
Troubleshooting System Startup Failure
149
Troubleshooting External Connections
149
Troubleshooting the Video Subsystem
149
150
Troubleshooting a Serial I/O Device
151
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151
152
Troubleshooting a Damaged System
153