Dell External OEMR R620 Owners Manual - Page 6

Removing The Control Panel-10 Hard Drive System 90 Installing The Control Panel-10 Hard Drive System 91 VGA Module...92 Removing The VGA Module...92 Installing The VGA Module...93 System Board...94 Removing The System Board...94 Installing The System Board...96 4 Troubleshooting Your System 97 Safety First-For You And Your System...97 Troubleshooting System Startup Failure...97 Troubleshooting External Connections...97 Troubleshooting The Video Subsystem...97 Troubleshooting A USB Device...97 Troubleshooting A Serial I/O Device...98 Troubleshooting A NIC...98 Troubleshooting A Wet System...98 Troubleshooting A Damaged System...99 Troubleshooting The System Battery...100 Troubleshooting Power Supplies...100 Troubleshooting Cooling Problems...100 Troubleshooting Cooling Fans...101 Troubleshooting System Memory...101 Troubleshooting An Internal USB Key...102 Troubleshooting An SD Card...102 Troubleshooting An Optical Drive...103 Troubleshooting A Tape Backup Unit...103 Troubleshooting A Hard Drive...104 Troubleshooting A Storage Controller...104 Troubleshooting Expansion Cards...105 Troubleshooting Processors...106 5 Using System Diagnostics...107 Dell Online Diagnostics...107 Dell Embedded System Diagnostics...107 When To Use The Embedded System Diagnostics 107 Running The Embedded System Diagnostics 107 System Diagnostic Controls...108 6 Jumpers And Connectors...109 System Board Jumper Settings...109