Dell R730xd owner manual Troubleshooting your system 180

Installing the tape backup unit	166
Optical drive (optional)	167
Removing the optical drive	167
Installing the optical drive	168
SD vFlash media card	168
Replacing an SD vFlash media card	168
Removing the vFlash media unit	169
Installing the vFlash media unit	170
Control panel assembly	171
Removing the control panel (R730)	171
Installing the control panel (R730)	174
Removing the control panel (R730xd)	175
Installing the control panel (R730xd)	176
Removing the I/O panel (R730xd)	177
Installing the I/O panel (R730xd)	178
5 Troubleshooting your system	180
Safety first—for you and your system	180
Troubleshooting system startup failure	180
Troubleshooting external connections	180
Troubleshooting the video subsystem	180
Troubleshooting a USB device	180
Troubleshooting iDRAC Direct (USB XML configuration)	181
Troubleshooting iDRAC Direct (laptop connection)	182
Troubleshooting a serial I/O device	182
Troubleshooting a NIC	182
Troubleshooting a wet system	183
Troubleshooting a damaged system	184
Troubleshooting the system battery	184
Troubleshooting power supply units	185
Power source problems	185
Power supply unit problems	185
Troubleshooting cooling problems	186
Troubleshooting cooling fans	186
Troubleshooting system memory	187
Troubleshooting an internal USB key	188
Troubleshooting an SD card	188
Troubleshooting an optical drive	189
Troubleshooting a tape backup unit	189
Troubleshooting a hard drive	190
Troubleshooting a storage controller	191
Troubleshooting expansion cards	191