Dell Precision T5400 Quick Reference Guide - Page 53

The screen is difficult to read, DVI-to-VGA

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• Swap the computer and monitor power cables to determine if the monitor's power cable is defective. • Check the connectors for bent or broken pins (it is normal for monitor cable connectors to have missing pins). CHECK THE MONITOR POWER LIGHT - • If the power light is lit or blinking, the monitor has power. • If the power light is off, firmly press the button to ensure that the monitor is turned on. • If the power light is blinking, press a key on the keyboard or move the mouse to resume normal operation. TEST THE ELECTRICAL OUTLET - Ensure that the electrical outlet is working by testing it with another device, such as a lamp. C H E C K T H E D I A G N O S T I C L I G H T S - "Power Lights" on page 27. The screen is difficult to read CHECK THE MONITOR CABLE CONNECTION - • Ensure that the monitor cable is connected to the correct graphics card (for dual graphics card configurations). • If you are using the optional DVI-to-VGA adapter, ensure that the adapter is correctly attached to the graphics card and monitor. • Ensure that the monitor cable is connected as shown on the setup diagram for your computer. • Remove any video extension cables and connect the monitor directly to the computer. • Swap the computer and monitor power cables to determine if the monitor's power cable is defective. • Check the connectors for bent or broken pins (it is normal for monitor cable connectors to have missing pins). CHECK THE MONITOR POWER LIGHT - • If the power light is lit or blinking, the monitor has power. • If the power light is off, firmly press the button to ensure that the monitor is turned on. • If the power light is blinking, press a key on the keyboard or move the mouse to resume normal operation. TEST THE ELECTRICAL OUTLET - Ensure that the electrical outlet is working by testing it with another device, such as a lamp. C H E C K T H E D I A G N O S T I C L I G H T S - See "Power Lights" on page 27. Quick Reference Guide 53

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Quick Reference Guide
53
•
Swap the computer and monitor power cables to determine if the monitor’s power
cable is defective.
•
Check the connectors for bent or broken pins (it is normal for monitor cable connectors
to have missing pins).
C
HECK
THE
MONITOR
POWER
LIGHT
—
•
If the power light is lit or blinking, the monitor has power.
•
If the power light is off, firmly press the button to ensure that the monitor is turned on.
•
If the power light is blinking, press a key on the keyboard or move the mouse to resume
normal operation.
T
EST
THE
ELECTRICAL
OUTLET
—
Ensure that the electrical outlet is working by testing
it with another device, such as a lamp.
C
HECK
THE
DIAGNOSTIC
LIGHTS
—
"Power Lights" on page 27.
The screen is difficult to read
C
HECK
THE
MONITOR
CABLE
CONNECTION
—
•
Ensure that the monitor cable is connected to the correct graphics card (for dual
graphics card configurations).
•
If you are using the optional
DVI-to-VGA
adapter, ensure that the adapter is correctly
attached to the graphics card and monitor.
•
Ensure that the monitor cable is connected as shown on the setup diagram for
your computer.
•
Remove any video extension cables and connect the monitor directly to the computer.
•
Swap the computer and monitor power cables to determine if the monitor’s power
cable is defective.
•
Check the connectors for bent or broken pins (it is normal for monitor cable connectors
to have missing pins).
C
HECK
THE
MONITOR
POWER
LIGHT
—
•
If the power light is lit or blinking, the monitor has power.
•
If the power light is off, firmly press the button to ensure that the monitor is turned on.
•
If the power light is blinking, press a key on the keyboard or move the mouse to resume
normal operation.
T
EST
THE
ELECTRICAL
OUTLET
—
Ensure that the electrical outlet is working by testing
it with another device, such as a lamp.
C
HECK
THE
DIAGNOSTIC
LIGHTS
—
See "Power Lights" on page 27.