Dell External OEMR R410 Owners Manual - Page 145

Troubleshooting Your System, Safety First-For You and Your System, Troubleshooting System Startup

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Troubleshooting Your System Safety First-For You and Your System WARNING: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before you begin this procedure, review the safety instructions that came with the system. Troubleshooting System Startup Failure If your system halts during startup prior to video imaging or LCD messaging, especially after installing an operating system or reconfiguring your system's hardware, check for the following conditions: • 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" on page 57. • Invalid memory configurations could cause the system to halt at startup without any video output. See "System Memory" on page 119. For all other startup issues, note the LCD panel messages and any system messages that appear onscreen. See "LCD Status Messages (Optional)" on page 23 and "System Messages" on page 37 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 1-4 for the front- and back-panel connectors on your system. Troubleshooting Your System 145

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Troubleshooting Your System
145
Troubleshooting Your System
Safety First—For You and Your System
WARNING:
Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before you begin this
procedure, review the safety instructions that came with the system.
Troubleshooting System Startup Failure
If your system halts during startup prior to video imaging or LCD messaging,
especially after installing an operating system or reconfiguring your system’s
hardware, check for the following conditions:
•
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" on page 57.
•
Invalid memory configurations could cause the system to halt at startup
without any video output. See "System Memory" on page 119.
For all other startup issues, note the LCD panel messages and any system
messages that appear onscreen. See "LCD Status Messages (Optional)" on
page 23 and "System Messages" on page 37 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 1-4 for the front- and back-panel connectors on your
system.