Operating
System
Symptom Cause Remedy
Check for updates for the USB controller of update
the operating system to Windows 8 or later, finally
try to re-connect the device
Windows
When connecting the device, after installing
the driver the system freezes and all USB
management is blocked
The chosen USB port is handled by a
non-compatible 3.0 USB controller
Reboot the computer and connect the device to a
USB 2.0 port
The USB port or controller to which the
device is connected may be USB 1.1
Connect the device to a USB 2.0 port and retry
The sampling frequency of the file being
played is not handled by the hiFace (eg.
32kHz, 64kHz or 352.8kHz)
Use (if available) the sampling rate conversion
feature of the player or set a fixed output sampling
frequency, amongst those handled by the hiFace, in
the system preferences
Windows
MacOs
Linux
The system has recognized the peripheral,
but when I try to access it I get an error
message
The file is not stereo
Select a playback mode which includes remix, e.g.
Direct Sound
Install the driver, choosing the right version for your
Mac’s operating system Mac OSx
When connecting the device, it doesn’t
appear in the available audio outputs list
Driver is not installed or negotiation
failed
Detach and re-connect the device
Mac OSx
After a system update I have problems, the
device is no longer recognized
The system update process has damaged
the driver
Execute a disk permissions Verify and Repair from
Utility-->Disk Utility. Then, reinstall the driver
checking for the right latest version from M2Tech
website www.m2tech.biz
Buffer too small
Increase buffer size from Foobar’s Preferences
Window, “Output” item Windows
When listening with FooBar, I sometimes
hear clicks
USB cable too long Try a shorter USB cable
Windows
MacOs
Linux
Often, when skipping tracks or when
exiting pause, I hear loud clicks
It’s a hiFace typical behaviour related to
buffers management
Some players are less exposed to the problem (e.g.:
Winamp, Jriver Media Center under Windows): use
one of them
The driver is not up to date
Install the most recent version downloading it from
http://www.m2tech.biz/hiface.html
USB cable too long Try a shorter USB cable
MacOS During listening I hear clicks continuously
An EMI source is present in prox
imitiy to
the hiFace and the computer
Find out the EMI source and switch it off or move it
farther
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