Acer ASPIRE 1410 User Manual page 74

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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.
• 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.
I want to eject the CD or DVD tray without turning on the power. I
cannot eject the CD or DVD tray.
There is a mechanical eject button on the optical drive. Simply insert
the tip of a pen or paperclip and push to eject the tray.
3 Troubleshooting my computer