Acer Extensa 500 用户手册

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页码 134
Frequently-Asked Questions
98
 User’s Guide
If headphones, earphones or external speakers are 
connected to the line-out port on the computer’s front 
panel, the internal speakers automatically turn off.
External microphone or audio line-in device does not work.
Check the following: 
Make sure the external microphone is connected to the 
microphone-in jack and/or the audio line-in device is 
connected to the audio line-in jack on the computer’s 
front panel.
If you cannot hear playback, the speakers may be 
muted. 
I want to eject the CD-ROM tray without turning on the 
power.  I cannot eject the CD-ROM drive tray.
There is a mechanical eject button on the CD-ROM drive.  
Simply insert the tip of a pen or paperclip and push to eject 
the CD-ROM tray. 
You can also turn on your CD-ROM drive without turning 
on the power.  See “Playing Audio CDs” on page 24 for 
details.
500-e.book : 500-6e.fm  Page 98  Monday, August 17, 1998  9:36 PM