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Digital Telephone Desktop 9850 – Quick Reference
18
Connection to the PC is not possible.
USB driver has not been installed properly
Solution: Check whether the USB drivers have been installed correctly. If you did not
complete the installation of the USB driver or canceled the 'Unknown device detected'
process the first time you connected the Desktop 9850 to your PC. Proceed as follows:
1. Connect the Desktop 9850 to your PC.
2. Go to the
Start
menu,
Settings
,
Control Panel
,
System
,
Device Manager
.
3. Look for an unknown USB device in the list.
4. Select
the
Unknown Device
and click
Remove
.
5. Click
OK
and close the
Control Panel
window.
6. Disconnect the Desktop 9850 and reconnect it again.
7. The
Add New Hardware Wizard
is started. Click
Next
.
8. Follow the instructions which appear on the screen. When the wizard detects the
driver (USB Mass Storage Device), click
Next
to copy the driver to your PC.
9. On the last wizard page, click
Finish
to complete the installation.
Windows XP
When installing the Desktop 9850, the operating system automatically assigns a drive for
the Desktop 9850. This drive appears as a 'removable disk' in the Windows Explorer.
Sometimes, the drive letter assignment for the Desktop 9850 conflicts with an existing
drive letter mapping; this is why the Desktop 9850 cannot be seen in the Windows
Explorer. Additionally, the software program displays the Desktop 9850 status as
(disconnected)
.
Solution: Mount all network drives starting with drive letters Z, Y, X (in reverse alphabetical
order).
PC sound system is not functioning
The Desktop 9850 is used as a USB sound device: Open the
Sounds and Multimedia
Properties
dialog box in the
Control Panel
. Make sure your PC’s sound system is in the
Preferred device
selection. Activate the
Use only preferred devices
option.