User manual QBest Basic
- 15 - Version 0.9.0.0
Q2: After turning on the computer, I see the icon
. Why?
There are two possible causes if you see the icon
:
1)
The USB phone fails to communicate with your PC. Please check whether
the USB port is in a normal state.
2)
The USB phone fails to work normally in Windows. You may need to
reinstall the device driver. Please follow the steps below:
“
Start
” – “
Setting
” – “
Control Panel
” – “
System
” – “
Hardware
” –“
Devic
e
Manager
”
Then, you will see the following window. Please check whether these
three devices below are in a normal state.
“
USB Human Interface Device
”
“
USB Audio Device
”
“
USB Composite Device
”
Trouble Shooting
