Thin Client resolution changes to 1920x1080 automatically.

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Issue Description

After the box is restarted, the resolution will be automatically adjusted to 1920x1080 (randomly). The monitor in the customer environment only supports up to 1280x720. At this time, the monitor will report an error "Input not supported"

Error/Warning Information

Handling Process

1.The monitor on user environment only supports VGA and 1280x720 resolutions.
2.The Thin Client on user environment is  hdmi version.
3.Currently users are connected using hdmi-vga converter.
4.The resolution of thin client changes to 1920x1080 randonmly during reboot.

Root Cause

Because of using a hdmi-vga converter, the display UUID obtain by thin client is abnormal.

Solution

1.On the thin client display settings, untick 'Screen Adjust Timing'
2.This will prevent the resolution from changing.

Suggestions

1.If the above option is greyed out and not selectable, go to VDC and enable 'Make display monitor timing self-adaptive'.

Faisal Posted 01 Dec 2020 07:03
  
Thank you very much for the information ...
Faisal Posted 01 Dec 2020 07:05
  
Nice article ...
Faisal Posted 02 Dec 2020 12:18
  
Great Info
Faisal Posted 02 Mar 2021 10:25
  
Very informative …
Faisal Posted 20 May 2021 06:14
  
Nice guidance ...
Raza Islam Lv3Posted 01 Aug 2022 20:45
  
Very informative
Raza Islam Lv3Posted 17 Aug 2022 12:54
  
Very informative

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Doc ID: 4088
Author: Sangfor_Siva
Updated: 2020-11-18 10:13
Version: