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Troubleshooting
8 - 8 Problems & Possible Solutions
8
Nothing appears on
screen. The system is in a power saving mode . Press the power button or any configured sleep/resume
key combination.
The screen controls need to be adjusted. Press the brightness buttons to adjust the settings. If
you’re connected to an external monitor, make sure it’s plugged in and turned on. You should also
check any attached monitor’s own brightness and contrast controls.
The screen saver is activated. Press any key on the keyboard.
No image appears on the
external monitor I have
plugged in and powered
on. You haven’t installed the video driver and configured it appropriately from the Control Panel .
See for instructions on installing and configuring the video driver.
No image appears on the
screen after I have
plugged-in an HDMI
device in to the HDMI-In
port. You haven’t pressed the Mode Toggle Button . Press and hold the mode toggle button to
switch between the computer and HDMI input modes. When the HDMI input source is displayed
you can use any HDMI device plugged in to the computer’s HDMI-In port. A quick press of the
button will toggle the display on/off (see
Table 1 - 3, on page 1 - 14 ).
The sound cannot be
heard or the volume is
very low. The volume might be set too low. Check the volume control in the Settings menu in the Charms
Bar in Windows (see “Audio Features” on page 2 - 8 ).
The DVD-ROM cannot
be read. The DVD-ROM is dirty. Clean it with a DVD-ROM cleaner kit.
Problem Possible Cause - Solution