Tripp Lite U342-DHG-402 Owner's Manual

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Troubleshooting

Q: Why is the display on the add-on monitor blank?

A:IfthemonitorpowerLEDisGreen,waitamomentforthemonitorto

displaythevideo,asitmaytakesometimeforthevideotobedisplayed

ontheadd-onmonitor.Ifafterafewminutesthevideodoesnotdisplay,

restartyourcomputer.Also,makesurethecomputerisnotinstandbyor

hibernationmode,whichwillcausetheadd-onmonitortobeblank.

 IfthemonitorpowerLEDisRed,checkiftheconnectionisproperly

made.Iftheconnectionisneandtheproblemstillexists,uninstallthe

driver,unplugtheadapterandreinstallthedriver.

Q: Why is the add-on monitor ﬂickering?

A:Thisisusuallycausedbyalowrefreshrate.WheninMirrormode,

increasetherefreshrateofthemainmonitor.Thiswillinturnincreasethe

refreshrateoftheadd-onmonitor,whichshouldstoptheickering.When

inExtendedmode,increasetherefreshrateoftheadd-onmonitor.

Q: When I play an MPEG ﬁle by Windows Media Player on the

extended monitor, why does the display become abnormal when I

switch it to full screen mode?

A:IfyouareoperatingWindowsXPSP1,upgradingtoSP2willsolvethis

problem.

Q: Why doesn’t the video display properly when in Full-Screen mode?

A: Trythefollowingtipstoimprovethesmoothnessofthemovieplayback:

• Reducetheresolutionofthedisplayto640x480or800x600.

• UsetheadapterinExtendedmode.

• TerminateanyotherCPUintensiveapplicationsrunningonthe

computer.

• AssomemediaplayersrequireDirectXhardwaresupporttocorrectly

operate,tryadifferentmediaplayerwhichrequireslessDirectX

support.

14-02-073-93330A.indd 11 2/27/2014 10:23:24 AM

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Tripp Lite U342-DHG-402 USB 3.0 SuperSpeed Laptop Dock - HDMI, DVI Video, Audio, USB, Ethernet