Usb Port - Yamaha YST-M40 Service Manual

YST-M40/M45D
Re-installing the Device Driver
If you connect the PC and the YST-M45D via the USB
ports using the USB cable before you install the included
application software, the YST-M45D device driver will not
recognize the devices correctly, and will display the
following items in the "System Properties" window:
• USB Audio Device in the list of "Sound, video and game
controllers"
• USB Composite Device in the list of "Universal serial
bus controller"
To recognize the devices correctly, re-install the driver
following the steps below:
1. Make sure the YST-M45D is connected to the PC via
the USB cable.
2. Click the "+" symbol next to "Universal serial bus
controller" to display the list.
3. Make sure that "USB Composite Device" appears in the
list and click to select it.
"USB Composite Device" is listed.
4. Click [Remove].
The dialog shown below appears. Click [OK].
"USB Audio Device" will be deleted.
5. Make sure that "USB Composite Device" has been
deleted from the list of "Universal serial bus controller."
6. Disconnect the USB cable.
7. Insert the included CD-ROM into the CD-ROM drive
and re-install the device driver.
8. Check the device driver. Refer to "Verifying the
installation of device drivers" on page 2.
3
Ensuring the output of audio data from the

USB port

Follow the steps below to ensure that the USB port on
your computer is ready to output CD audio.
1. Select "Start," then select "Settings-->Control Panel"
from the menu.
2. Double-click "Multimedia" icon in the Control Panel to
display the "Multimedia Properties" window, and under
"Playback" in the "Audio" tab, make sure that
"YAMAHA YST-M45D USB Audio" is selected as the
"Preferred device."
(Depending on the computer, if multiple USB audio
devices are connected, the number of devices may
appears in parentheses.)
"YAMAHA YST-M45D USB Audio"
selected as Preferred device
• The contents of the list on the display shown left
may vary depending on the system environment.
3. Select the "CD Music" tab, make sure that the text
below the "CD Music Volume" is Active, and check
"Enable digital CD audio for this CD-ROM device."
If the text below "CD Music Volume" appears in gray,
you cannot check the "Enable digital CD audio for this
CD-ROM device" box. In this case, your CD-ROM drive
may not be supported. Consult your computer
manufacturer or dealer.
Enable digital CD audio for this CD-ROM device
• The contents of the list on the display shown left
may vary depending on the system environment.
Now you are ready to enjoy your YST-M45D Speaker
System!