6 Troubleshooting your system

152

Safety first—for you and your system

152

Troubleshooting system startup failure

152

Troubleshooting external connections

152

Troubleshooting the video subsystem

152

Troubleshooting a USB device

153

Troubleshooting iDRAC Direct (USB XML configuration)

153

Troubleshooting iDRAC Direct (laptop connection)

154

Troubleshooting a serial I/O device

154

Troubleshooting a NIC

155

Troubleshooting a wet system

155

Troubleshooting a damaged system

156

Troubleshooting the system battery

157

Troubleshooting power supply units

157

Troubleshooting power source problems

157

Power supply unit problems

158

Troubleshooting cooling problems

158

Troubleshooting cooling fans

159

Troubleshooting system memory

159

Troubleshooting an internal USB key

160

Troubleshooting an SD card

161

Troubleshooting an optical drive

161

Troubleshooting a tape backup unit

162

Troubleshooting a hard drive

163

Troubleshooting a storage controller

163

Troubleshooting expansion cards

164

Troubleshooting processors

165

System messages

165

Warning messages

165

Diagnostic messages

166

Alert messages

166

7 Using system diagnostics

167

Dell embedded system diagnostics

167

When to use the embedded system diagnostics

167

Running the Embedded System Diagnostics from Boot Manager

167

Running the Embedded System Diagnostics from the Dell Lifecycle Controller

168

System diagnostics controls

168

8 Jumpers and connectors

169

System board connectors

169

7

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Dell T630 owner manual Troubleshooting your system 152, Using system diagnostics 167, Jumpers and connectors 169