Lenovo ThinkPad USB 3.0 Ultra Dock User's Guide Page 19

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Table3.Supportedresolutionsandrefreshrates:DPandHDMIsimultaneousoutput(continued)
Resolution
Refreshrate(Unit:Hz)
1280x76860,75,85
1280x80060
1280x96060,85
1280x102460,75
1360x76860
1366x76850,60
1368x76860
1400x105060,75,85
1440x90060
1600x90060
1600x120060
1680x105060
1920x108050,60
1920x120060
2048x108060
2048x115260
Troubleshooting
Thischapterprovidessometroubleshootinghintsandtipstoassistyouifyouexperienceanyproblemswith
theultradock.Checkthefollowingitemsfirsttotrytosolvetheproblem.
General
1.TheThinkPadUSB3.0UltraDockiconisnotdisplayedonthescreen.
TheThinkPadUSB3.0UltraDockiconisdisplayedonlywhenanexternalmonitorisconnectedto
theultradock.Ifanexternalmonitorisconnected,ensurethatthevideocableisfullyinsertedintothe
ultradockandthemonitor.
2.Thepowerandconnectionindicatoroftheultradockisnoton.
Ensurethatyouhavecorrectlyconnectedthepoweradaptertotheultradockandaworkingelectrical
outlet,andthatyouhavepressedthepowerbutton.Donotuseanypoweradapterotherthantheone
providedwiththeultradock.
3.Y ouconnecttheultradocktoacomputerwiththeprovidedUSB3.0cable,buttheultradock
doesnotwork.
a.Ensurethattheultradockiswellpoweredbyitspoweradapter.theultradockalwaysneedsexternal
poweradapterforoperation,becauseitdoesnottakepowerfromtheUSBconnectorattached
toyournotebookcomputer.
b.Ensurethatthedevicedriveroftheultradockiswellinstalled;ifnot,installthedevicedriverand
restartthecomputer.
c.EnsurethattheUSBconnectoronyourcomputerworkswell;ifnot,replacewithotherUSB
connectors.
4.The2.4GHzwirelesskeyboardor2.4GHzwirelessmousefunctionisinterrupted.Themouse
pointerlagsoritcannotmove.Somecharactersarelostwhenyouinputbythekeyboard.
Chapter1.ThinkPadUSB3.0UltraDock15
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