Removing The System Board

63

Installing The System Board

64

4 Troubleshooting Your System

67

Safety First—For You And Your System

67

Troubleshooting System Startup Failure

67

Troubleshooting External Connections

67

Troubleshooting The Video Subsystem

67

Troubleshooting A USB Device

67

Troubleshooting A Serial I/O Device

68

Troubleshooting A NIC

68

Troubleshooting A Wet System

69

Troubleshooting A Damaged System

69

Troubleshooting The System Battery

70

Troubleshooting The Power Supply

71

Troubleshooting Cooling Problems

71

Troubleshooting Cooling Fans

71

Troubleshooting System Memory

72

Troubleshooting An Internal USB Key

73

Troubleshooting An SD Card

73

Troubleshooting An Optical Drive

74

Troubleshooting A Hard Drive

74

Troubleshooting Expansion Cards

75

Troubleshooting The Processor

76

5 Using System Diagnostics

77

Dell Embedded System Diagnostics

77

When To Use The Embedded System Diagnostics

77

Running The Embedded System Diagnostics

77

System Diagnostic Controls

77

6 Jumpers And Connectors

79

System Board Jumper Settings

79

System Board Connectors

80

Disabling A Forgotten Password

81

7 Technical Specifications

83

8 System Messages

87

System Error Messages

87

Warning Messages

96

Diagnostic Messages

96

Page 5
Image 5
Dell R220 owner manual Jumpers And Connectors