Acer 420 series User Manual download pdf (Page 56)

3 Troubleshooting my computer48

English

Image is not full-screen.

The computer display has a native resolution of 1024 x 768 (XGA) for

the 14.1”/15.0” or 1400 x 1050 (SXGA+) for the 15.0”(selected models

only). If you set the resolution lower than this, the screen expands to

fill the computer display.

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 that the resolution is set to the appropriate resolution.

Resolutions lower than the specified resolution may not be full-screen

on the computer or on an external monitor.

No audio is heard from the computer.

Check the following:

• The volume may be muted. In Windows, look at the volume

control (speaker) 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 Fn-F8 to turn the speakers

on (this hot key also turns the speakers off).

• The volume level may be too low. In Windows, look at the volume

control icon on the taskbar. See “Hot keys” on page 15 for more

detail.

• If headphones, earphones or external speakers are connected to

the line-out port on the computer’s right panel, the internal

speakers automatically turn off.

TM420-e.book Page 48 Thursday, August 22, 2002 10:00 AM

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Acer 420 series User Manual Page 56