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About the UD-3900H category
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1
|
804
|
August 11, 2020
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USB 2.0 Ports stopped working
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|
2
|
182
|
September 1, 2021
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Using laptop with 2 monitors
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2
|
219
|
August 4, 2021
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VGA Monitor Not Working
|
|
1
|
287
|
February 4, 2021
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2 sceens and a laptop
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|
1
|
306
|
February 1, 2021
|
|
DisplayLink video driver will not install
|
|
5
|
582
|
January 12, 2021
|
|
HDMI to connect to Monitor not detected even follow the instruction posted
|
|
3
|
503
|
November 2, 2020
|
|
Ethernet Port and HDMI Port No Longer Recognized
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|
5
|
433
|
August 14, 2020
|
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ON and OFF switch using surge protector
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3
|
459
|
May 27, 2020
|
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Annoying Beeping on Startup
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|
3
|
471
|
May 13, 2020
|
|
USB Switch with Dual Monitors desktop and laptop
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|
4
|
638
|
April 28, 2020
|
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Ethernet constantly disconnects
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|
6
|
1345
|
March 9, 2020
|
|
USB’s not workimg
|
|
2
|
724
|
December 22, 2019
|
|
Not recognizing dual monitors or ethernet with USB 3.0
|
|
1
|
799
|
July 14, 2019
|
|
Displaylink not working on Macbook pro mid 2012 model after updating to Mojave 10.14
|
|
5
|
1932
|
November 5, 2018
|
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Intermittent screen "disconnection"
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|
4
|
973
|
October 24, 2018
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