Dell PowerVault DL2000 DL2000 Hardware Owner's Manual - Page 131

Troubleshooting External Connections, Troubleshooting the Video Subsystem

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Table 4-2. IRQ Assignment Defaults (continued) IRQ Line Assignment IRQ9 ACPI functions (used for power management) IRQ10 Available IRQ11 Available IRQ12 PS/2 mouse port unless the mouse is disabled through the System Setup program IRQ13 Math coprocessor IRQ14 IDE CD drive controller IRQ15 Available Troubleshooting External Connections Loose or improperly connected cables are the most likely source of problems for the system, monitor, and other peripherals (such as a printer, keyboard, mouse, or other external device). Ensure that all external cables are securely attached to the external connectors on your system. See "Front-Panel Features and Indicators" on page 13 and "Back-Panel Features and Indicators" on page 17 for the front- and back-panel connectors on your system. Troubleshooting the Video Subsystem Problem • Monitor is not working properly. • Video memory is faulty. Action 1 Check the system and power connections to the monitor. 2 Determine whether the system has an expansion card with a video output connector. In this system configuration, the monitor cable should normally be connected to the connector on the expansion card, not to the system's integrated video connector. Troubleshooting Your System 131

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Troubleshooting Your System
131
Troubleshooting External Connections
Loose or improperly connected cables are the most likely source of problems
for the system, monitor, and other peripherals (such as a printer, keyboard,
mouse, or other external device). Ensure that all external cables are securely
attached to the external connectors on your system. See "Front-Panel
Features and Indicators" on page 13 and "Back-Panel Features and Indicators"
on page 17 for the front- and back-panel connectors on your system.
Troubleshooting the Video Subsystem
Problem
•
Monitor is not working properly.
•
Video memory is faulty.
Action
1
Check the system and power connections to the monitor.
2
Determine whether the system has an expansion card with a video output
connector.
In this system configuration, the monitor cable should normally be
connected to the connector on the expansion card,
not
to the system’s
integrated video connector.
IRQ9
ACPI functions (used for power management)
IRQ10
Available
IRQ11
Available
IRQ12
PS/2 mouse port unless the mouse is disabled through the System Setup
program
IRQ13
Math coprocessor
IRQ14
IDE CD drive controller
IRQ15
Available
Table 4-2.
IRQ Assignment Defaults
(continued)
IRQ Line
Assignment