Usb Issues - Native Instruments Guitar Rig Mobile Hardware Reference Manual

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If the Control Panel is missing, the driver is most likely not installed at all. In this case, please
re-install the driver as described above.
If all the drop-down menus of the Control Panel are grayed out, the GUITAR RIG MOBILE
I/O is not recognized by the driver. Something might be wrong with the USB connection, see
the following sections for details.

6.2.2 USB Issues

GUITAR RIG MOBILE I/O is a USB 2.0 interface and will not work on a USB 1.0/1.1 port.
Always connect it directly to a USB 2.0 port on your computer. The port needs to fulfill the
minimum power specification for a USB 2.0 port (500 mA). On certain computers, the USB
2.0 ports do not meet the official USB 2.0 power specification. In this case, you may see a
message, saying that there is not enough power available to operate your device. The GUITAR
RIG MOBILE I/O may produce crackles or may not work at all.
If your computer is unable to supply the necessary amount of bus power, try connecting
your GUITAR RIG MOBILE I/O to a USB 2.0 hub with external power-supply. Avoid connect-
ing other devices to the hub, as every bus-powered device will diminish the total amount of
power available.
In case of failures, it is useful to check if GUITAR RIG MOBILE I/O works if you disconnect
any other USB device from the computer.
If you are experiencing audio dropouts or other problems that may be related to the USB
connection, try connecting the GUITAR RIG MOBILE I/O to another USB 2.0 port.
A bad USB cable can be responsible for audio dropouts and/or other connectivity problems.
Try using a different cable bearing the official USB logo, in some cases using a shorter
cable might help.
If you are experiencing problems with GUITAR RIG MOBILE I/O crashing or performing
badly on a Windows machine, the first thing to do is to disable power management for the
USB hubs, which is turned on by default. Go to the Device Manager (Control Panel > System
> Hardware) and right click a USB hub to bring up its properties. On the Power Management
page, uncheck all boxes. Repeat for each hub and reboot.
GUITAR RIG MOBILE – 39

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