NEXIQ Technologies USB-Link - Chapter 4: Troubleshooting Information

74 USB-Link™ Installation and Setup Manual
Chapter 4 • USB-Link™ Troubleshooting Information
LED Issues
The following table provides some possible causes and solutions to issues related
to the USB-Link’s light-emitting diodes (LEDs).
Problem Possible Cause Solution
Power LED on the
USB-Link™ does not
come on if USB
cable is hooked up.
Loose or faulty
cable or adapter.
Check to make certain
that the USB cable is
plugged into the PC.
No power on the
USB-Link™ when
the vehicle adapter
is plugged into the
device.
Bad connection.
Vehicle power
off.
Make sure that the con-
nector on the vehicle
has power on the proper
terminals.
Power LED does not
light, the USB cable
is connected, and
the vehicle cable is
disconnected.
On occasion,
Windows power
management
removes power
from the USB
bus.
• From the Control
Panel on the PC,
select System
4
Hardware
4
Device
Manager
4
Universal
Serial Bus Controllers
4
USB Root Hub
4
Properties
4
Power
Management.
Make certain that the
“Allow the computer to
turn off this device to
save power” check box
is clear
().
Power LED does not
light, the USB cable
is connected, and
the vehicle cable is
disconnected.
For laptops using
a docking station,
you may be
encountering a
bug in Windows.
• To attempt correc-
tion:
Place the laptop in
Stand by mode,
then press the
Power button to
restore to Operating
mode. USB power
should be restored.