Users Guide

62 | Troubleshooting
Universal Serial Bus (USB) specific problems
Specific
Symptoms
What You
Experience
Possible Solutions
USBinterfaceis
notworking
USBperipherals
arenotworking
•CheckthatyourdisplayisturnedON.
•Reconnecttheupstreamcabletoyour
computer.
•ReconnecttheUSBperipherals(downstream
connector).
•Turnothemonitorandturnitonagain.
•Rebootthecomputer.
•CertainUSBdevicessuchasportablehard
drivesrequirehigherpowersource;connectthe
drivetothecomputerdirectly.
SuperSpeed
USB3.0
interfaceis
slow.
SuperSpeed
USB3.0
peripherals
workingslowly
ornotworking
atall
•CheckthatyourcomputerisUSB3.0-capable.
•SomecomputershaveUSB3.0,USB2.0,and
USB1.1ports.EnsurethatthecorrectUSBport
isused.
•Reconnecttheupstreamcabletoyour
computer.
•ReconnecttheUSBperipherals(downstream
connector).
•Rebootthecomputer.
WirelessUSB
peripheralsstop
workingwhena
USB3.0device
ispluggedin
WirelessUSB
peripherals
responding
slowlyoronly
workingas
thedistance
betweenitself
anditsreceiver
decreases
•IncreasethedistancebetweentheUSB3.0
peripheralsandthewirelessUSBreceiver.
•PositionyourwirelessUSBreceiverascloseas
possibletothewirelessUSBperipherals.
•UseaUSB-extendercabletopositionthe
wirelessUSBreceiverasfarawayaspossible
fromtheUSB3.0port.
USBisnot
working
NoUSB
functionalities
RefertoinputsourceandUSBpairingtable.