Dreamcom 10 series, User Manual

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6 Troubleshooting 70
Image is not full-screen.
Make sure the resolution is set to a resolution your system supports. Right-
click on your Windows desktop and select Properties to bring up the
Display Properties dialog box. Then click on the Settings tab to make sure
the resolution is set to the appropriate resolution. Resolutions lower than
the specified resolution are not full-screen on the computer or on an
external monitor.
No audio from the computer.
Check the following:
•
The volume may be muted. In Windows, look at the volume control
icon on the taskbar. If it is crossed-out, click on the icon and deselect
the Mute option.
• The speakers may be turned off. Press the mute button.
• The volume level may be too low. Press Fn-F7 and Fn-F8 to adjust
the brightness level. In Windows, look at the volume control icon on
the taskbar. Click on the icon and adjust the level.
If headphones, earphones or external speakers are connected to the line-
out port on the computer’s left panel, the internal speakers automatically
turn off.
The keyboard does not respond.
Try attaching an external keyboard to the USB connector on the computer.
If it works, contact your dealer or an authorized service center as the
internal keyboard cable may be loose.
The printer does not work.
Check the following:
•
Make sure that the printer is connected to a power outlet and it is
turned on.
• Make sure the printer cable is connected securely to the computer’s
USB port and the corresponding port on the printer.