Dell Precision T5400 Manuel d'utilisateur télécharger pdf (Page 53)

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).

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.

HECK THE DIAGNOSTIC LIGHTS — "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.