Asus CM1855 - Manual (Page 64)

64 Chapter 7: Troubleshooting
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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.
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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.
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My computer cannot detect my USB storage device.
• The first 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.
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I want to restore or undo changes to my computer’s system settings
without affecting my personal files 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.