Troubleshooting your system, Safety first—for you and your system, Troubleshooting system startup failure – Dell PowerEdge R210 User Manual
Page 54: Troubleshooting external connections, Troubleshooting the video subsystem, Troubleshooting a usb device
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Troubleshooting Your System
Dell™ PowerEdge™ R210 Systems Hardware Owner's Manual
Safety First—For You and Your System
Troubleshooting System Startup Failure
If your system halts during startup prior to video output, especially after installing an operating system or reconfiguring your system's hardware, check for the
following conditions:
l
If you boot the system to the BIOS boot mode after installing an operating system from the UEFI Boot Manager, the system will hang. The reverse is
also true. You must boot to the same boot mode in which you installed the operating system. See
Using the System Setup Program and UEFI Boot
Manager
.
l
Invalid memory configurations could cause the system to halt at startup without any video output. See
System Memory
.
For all other startup issues, note the system messages that appear onscreen. See
System Messages
for more information.
Troubleshooting External Connections
Ensure that all external cables are securely attached to the external connectors on your system before troubleshooting any external devices. See
Figure 1
-1
and
Figure 1
-2
for the front-panel and back-panel connectors on your system.
Troubleshooting the Video Subsystem
1.
Check the system and power connections to the monitor.
2.
Check the video interface cabling from the system to the monitor.
3.
Run the appropriate online diagnostic test. See
Running the System Diagnostics
.
If the tests run successfully, the problem is not related to video hardware.
If the tests fail, see
Getting Help
.
Troubleshooting a USB Device
Use the following steps to troubleshoot a USB keyboard /mouse. For other USB devices, go to
.
1.
Disconnect the keyboard and mouse cables from the system briefly and reconnect them.
2.
Connect the keyboard/mouse to the USB port(s) on the opposite side of the system.
3.
If the problem is resolved, restart the system, enter the System Setup program, and check if the non functioning USB ports are enabled.
Safety First—For You and Your System
Troubleshooting System Startup Failure
Troubleshooting External Connections
Troubleshooting the Video Subsystem
Troubleshooting a Serial I/O Device
Troubleshooting a Damaged System
Troubleshooting the System Battery
Troubleshooting System Cooling Problems
Troubleshooting an Internal USB Key
Troubleshooting an Optical Drive
Troubleshooting a Tape Backup Unit
Troubleshooting an Expansion Card
CAUTION:
Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as
authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not
authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.