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[ SOLVED ] Display With Horizontal White Bars

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Display With Horizontal White Bars
« on: July 19, 2021, 04:14:58 PM »
 

Larry Stehno

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I just installed Linux Lite 5.4 on a HP Pro 3420 All-In-One PC.  The install went well with a normal display but it has horizontal white bars running up and down over the display.  I ran a update but no change.  I checked for third party drivers and none were found thinking another video driver is needed.  Any ideas for getting rid of these white bars?  thanks,
Planorez 
Last Edit: October 12, 2021, 11:21:12 PM by firenice03
 


Re: Display With Horizontal White Bars
« Reply #1 on: July 19, 2021, 04:17:30 PM »
 

Jerry

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We'll need to see a screenshot.
 

Re: Display With Horizontal White Bars
« Reply #2 on: July 19, 2021, 05:06:06 PM »
 

Larry Stehno

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How do I send you a screen shot?  JPGs aren't allowed for uploads.
 

Re: Display With Horizontal White Bars
« Reply #3 on: July 19, 2021, 05:10:08 PM »
 

Jerry

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In your welcome to the Forum message, there is a link there to posting guidelines.

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Re: Display With Horizontal White Bars
« Reply #4 on: July 19, 2021, 05:46:35 PM »
 

Larry Stehno

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Here is the shot of my screen with the bars from Imgur:

https://imgur.com/a/GvvoD5E
 

Re: Display With Horizontal White Bars
« Reply #5 on: July 19, 2021, 08:20:56 PM »
 

Jerry

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I've seen that condition with faulty cabling, can you try another cable or connection type (HDMI, VGA or DVI).

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Re: Display With Horizontal White Bars
« Reply #6 on: July 20, 2021, 11:55:47 AM »
 

Larry Stehno

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This is an All-In-One PC so there are no external video cable connections.  This same problem shows up on two different PCs of the same model so it is unlikely to be a connection problem and is an inherent system problem with this model.  What about the video driver? How do I either roll it back to an earlier version or find one developed for Linux?  Thanks,
Planorez
 

Re: Display With Horizontal White Bars
« Reply #7 on: July 20, 2021, 03:16:07 PM »
 

trinidad

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Experiment with your screen resolution. White bars are from mismatched horiz/vert combinations. When your find one that works then you can change it to stay preferred from the grub console.

TC
All opinions expressed and all advice given by Trinidad Cruz on this forum are his responsibility alone and do not necessarily reflect the views or methods of the developers of Linux Lite. He is a citizen of the United States where it is acceptable to occasionally be uninformed and inept as long as you pay your taxes.
 

Re: Display With Horizontal White Bars
« Reply #8 on: July 20, 2021, 04:46:43 PM »
 

Larry Stehno

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I went through all the alternative resolutions and none fixed the problem.  Thanks for the suggestion.
Planorez
 

Re: Display With Horizontal White Bars
« Reply #9 on: July 20, 2021, 05:29:21 PM »
 

Jerry

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What is the output of:

Code: [Select]
inxi -G
 

Re: Display With Horizontal White Bars
« Reply #10 on: July 20, 2021, 09:32:48 PM »
 

Larry Stehno

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Here is the video data for my PC

https://imgur.com/LdQ0Ln8
 

Re: Display With Horizontal White Bars
« Reply #11 on: July 21, 2021, 12:12:37 PM »
 

trinidad

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Known buggy hardware and no bugfix.
Run: lscpu
Doubt that CPU is Sandybridge which would mean driver is mismatched.
Could try though risky to change refresh rate to 75mghz. 16/9 is correct.

TC
Last Edit: July 21, 2021, 12:15:19 PM by trinidad
All opinions expressed and all advice given by Trinidad Cruz on this forum are his responsibility alone and do not necessarily reflect the views or methods of the developers of Linux Lite. He is a citizen of the United States where it is acceptable to occasionally be uninformed and inept as long as you pay your taxes.
 

Re: Display With Horizontal White Bars
« Reply #12 on: July 22, 2021, 02:00:17 PM »
 

trinidad

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  • Linux Lite: 5.6 64bit

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Sorry for not helping much. I used to have a lot of Sandybridge stuff around the shop and the buggy stuff was HP with lower end CPUs and less than 4G of RAM. I think the monitors were LED backlit not LCD. With Ubuntu 16.xx the Dells with better CPUs would tell you in the settings (gnome) details section: Intel Sandybridge Desktop and they were the ones that had no trouble with the kernel and GPU. HP will just tell you 5ms as far as refresh rate because extra fb stuff is just wasted and not displayed anyway on LED backlit stuff. Anyway 60mghz is default. The lower end CPUs bottle necked the Sandybridge graphics anyway.

Anyway you may want to try out some other display settings.
https://linuxconfig.org/how-to-configure-your-monitors-with-xrandr-in-linux

TC   
All opinions expressed and all advice given by Trinidad Cruz on this forum are his responsibility alone and do not necessarily reflect the views or methods of the developers of Linux Lite. He is a citizen of the United States where it is acceptable to occasionally be uninformed and inept as long as you pay your taxes.
 


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