Toshiba l670-bt2n25 User Manual
178
If Something Goes Wrong
Sound system problems
Sound system problems
No sound is coming from the computer’s speakers.
Adjust the volume control.
Try pressing
Fn + Esc
to see if volume mute is disabled.
Check that the volume control on the computer is turned up.
If you are using external headphones or speakers, check that they
are securely connected to your computer.
are securely connected to your computer.
The computer emits a loud, high-pitched noise.
This is feedback between the microphone and the speakers. It
occurs in any sound system when input from a microphone is fed to
the speakers and the speaker volume is too loud. Adjust the volume
control.
occurs in any sound system when input from a microphone is fed to
the speakers and the speaker volume is too loud. Adjust the volume
control.
Modem problems
(Available on certain models.)
This section lists common modem problems.
The modem will not receive or transmit properly.
Make sure the cable from the modem to the telephone line is firmly
connected to the computer’s modem port and the telephone line
jack.
connected to the computer’s modem port and the telephone line
jack.
Check the communications parameters (baud rate, parity, data
length and stop bits) specified in the communications program. It
should be set up to transmit at 300, 1200, 2400, 4800, 9600, 14400,
28800, 33600 bps (bits per second) or higher.
length and stop bits) specified in the communications program. It
should be set up to transmit at 300, 1200, 2400, 4800, 9600, 14400,
28800, 33600 bps (bits per second) or higher.
The modem is on, set up properly but still does not transmit
or receive data.
or receive data.
Make sure the line has a dial tone. Connect a telephone handset to
the line to check this.
the line to check this.
The other system may be busy or off line. Try making a test
transmission to someone else.
transmission to someone else.
For more information regarding your system’s V.92 modem, visit
the Toshiba Web site at
the Toshiba Web site at