User's Manual

60 Chapter 7: Troubleshooting

English

No display on the monitor.

• Check if the monitor is powered on.

• Ensure that your monitor is properly connected to the video output port on

your computer.

• If your computer comes with a discrete graphics card, ensure that you connect

your monitor to a video output port on the discrete graphics card.

• Check if any of the pins on the monitor video connector is bent. If you discover

bent pins, replace the monitor video connector cable.

• Check if your monitor is plugged to a power source properly.

• Refer to the documentation that came with your monitor for more

troubleshooting information.

When using multiple monitors, only one monitor has display.

• Ensure that the both monitors are powered on.

• During POST, only the monitor connected to the VGA port has display. The

dual display function works only under Windows.

• When a graphics card is installed on your computer, ensure that you connect

the monitors to the output port on the graphics card.

• Check if the multiple displays settings are correct. Refer to section

Connecting multiple external displays in Chapter 3 for details.

My computer cannot detect my USB storage device.

• The rst time you connect your USB storage device to your computer,

Windows automatically installs a driver for it. Wait for a while and go to My

Computer to check if the USB storage device is detected.

• Connect your USB storage device to another computer to test if the USB

storage device is broken or malfunctions.

I want to restore or undo changes to my computer’s system settings

without affecting my personal les or data.

The Windows

System Restore feature allows you to restore or undo changes

to your computer’s system settings without affecting your personal data such

as documents or photos. For more details, refer to the section Restoring your

system in Chapter 2.