Twinhead International Corporation R15D ユーザーズマニュアル
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Appendix A — Frequently Asked Questions
Q: There is feedback noise coming from my speakers. What can I
do?
A: Double click on the Speaker icon on the task bar. Then, under
Microphone Balance, check the Mute box.
Q: Because of a software problem, I was unable to shut down
power normally. I pressed the power button to force a power
off, but it didn't work. How can I force a power off?
off, but it didn't work. How can I force a power off?
A: Make sure you press the power button for at least 4 seconds.
Normally, this will force a power off.
Q: Why can’t I charge the battery of my portable computer after it
was out of use for some time?
A: After portable computers have not been used for a long time (more
than one month), the batteries will go into the low voltage
protection mode due to data back-ups and natural electrical
discharge. At that point, restoring normal voltage will require slow
charging over a period of several hours. Calibration can be
performed after the battery has returned to a normal condition.
protection mode due to data back-ups and natural electrical
discharge. At that point, restoring normal voltage will require slow
charging over a period of several hours. Calibration can be
performed after the battery has returned to a normal condition.
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