TrOUBLESHOOTING
SETUP AND CONFIGURATION PROBLEMS
1. WHAT DO I DO IF My COMPUTEr DOES NOT DETECT My DUB-H4?
check and ensure that all cables and the power adapter is connected securely, and that the usB
port on your computer is functioning correctly. If not, try connecting to a different usB port on your
computer.
2. WHAT DO I DO IF I GET A "USB HUB CUrrENT LIMIT ExCEEDED" MESSAGE IN
MICrOSOFT WINDOWS?
make sure that the power draw of for devices connected to the white ports does not exceed 500 ma,
and that the combined power draw of all connected devices does not exceed 2 a. If a port becomes
overloaded, this message will appear on your computer. Reset the duB-H4 by disconnecting both
the power adapter and the usB cable connecting the duB-H4 to your computer for 5 seconds
before plugging both cables back in.
3. WHAT DO I DO IF My IPAD
make sure your device is plugged into the black usB port with the battery icon and that the power
adapter is connected to the duB-H4. If your ipad displays a "not charging" status, it will charge
at a slow rate. to quick charge your device, you will need to use Fast-charge mode. Refer to the
previous page for more information.
4. WHy ISN'T My PC'S KEyBOArD/MOUSE BOOT FEATUrE WOrKING THrOUGH THE
DUB-H4?
make sure your usB keyboard and/or mouse are connected to the white ports on the duB-H4
and not the black port with the battery icon.
DUB-H4
®
Or SIMILAr DEvICE, DOES NOT CHArGE?
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