Several small lines on my screen

[Member kaye]

Hi Friends

I don’t know if installing Virtual Box and running Windows 7 64-bit in my antiX system had anything to do with it, but right now if you have my laptop in front of you, you would see several small lines on the bottom of the screen, regardless if you’re looking at the desktop screen or some app like a browser.

I tried to take a screen shot of it using the built-in app Screenshot, but the .jpg file does not show it, as can (or cannot) be seen in the attached photo. The lines are
are currently positioned on the left side of the dog’s foot, it just isn’t visible in the .jpg file, but if you’re using the laptop you could see it.

Any ideas? Not a big deal but would be nice to remove it.

Thank you very much.

• This topic was modified 3 years, 10 months ago by kaye.

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   lines_on_desktop_screen.jpg
   

[Member Xecure]

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If you can stop all the things you are doing, try:

Menu > Logout > Restart session

If the strange lines disappear, it is probably a rendering problem.
If you want to avoid this in the future, you could try installing a compositor like Compton that should handle the window compositing (and also allow you to have true transparencies).
sudo apt-get install compton
Then, you add this line at the end of your ~/.icewm/startup file
compton &
Finally, you restart session and this should work.

It consumes some CPU, so if your system is very limited you may not want to use it.

If this doesn’t work, report back and let a more knowledgeable person help you.
If this DOES work, report back so that the next person that has this problem may know that this fixed it, and doesn’t have to ask again.

antiX Live system enthusiast.
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[Anonymous]

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Screenshot
How to make the best possible quality screenshot in antiX

[Member ex_Koo]

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noClue Thanks for the tif tip.

[Member dgh]

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If the problem began after installing VirtualBox, some kernel modules, etc, you may want to try retracing your steps; remove newly installed software and see if the problem stops. Did you recently update your graphics driver? Intel graphics?

I take it from the description that these are vertical lines? Are they directly in the middle of the screen? Could it be an artifact from a dead program window? What color are the lines? Do they ever change color? Are they always on top?

Seemingly trivial details could help reveal the cause.

If this was a problem with compositing, vsync, etc, it would generally be visible on a screenshot, no matter if it was a jpg, png, gif, tif, etc

[Member ile]

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Hello kaye
not showing in the screenshot is indicative of hardware signal problem likely . cable, connection, … because you said laptop it could mean the edge of the lcd display panel is damaged. especially if the lines change with lid/bezel movement/flex or pressure at the screen edges. If attaching external display may not show the lines? then it is display panel.

[Member kaye]

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Hi Friends

I’m afraid it may be a hard ware (laptop screen) problem because it also appears when I log into Windows. And some of the lines are now longer compared to yesterday.

All lines are horizontal and are colored black.
They don’t seem to be changing colors.
They are always on top.
Their position is near the bottom of the screen, around the middle area.

The laptop is about 8 years old.

I hope there’s an easy fix.

• This reply was modified 3 years, 10 months ago by kaye.

[Member dgh]

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If it is also showing up identically in Windows, it is like @ile said; definitely seems like a hardware problem. Based on your updated description, I’d say it’ll be any day now, but maybe they’ll just stop growing and the screen won’t fully die.

If it’s a bad panel and you can find a replacement, they are often relatively easy jobs, but not all laptops are created equal. From my limited experience, if there is something deeper, wrong with the display’s logic board or something, that is often a show-stopper in the repair process.

[Forum Admin rokytnji]

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Having changed inverter cards and lcd cables on a older Panasonic CF-48. With proper tools and Fluke VOM test meters used.
All I can say it is tedious job and can be hit or miss for anyone.
Harder even for a novice with no tools or learned skills.

Mine worked out. But sometimes the hardware problem can be further back.
In my use case-age if no fix works hardware wise. Or you say screw it. I’ll deal with what I have without taking it apart.
Here is how I would roll to adapt that unit if wanting to keep it.

I would have used the vga connection or other external video video cable and run that laptop with a external lcd as a desktop computer and start hooking external usb keyboard and usb mouse and call it a day. Maybe hook up a external amp and power some tower speakers and turn it into a XMMS or MOCP jukebox.

I’ve done this before in my shop. Still do it but with wireless Dell old dual core tower from city hall running AntiX. It is a pretty loud computer when I fire everything up.

OLD WRITEUP

• This reply was modified 3 years, 10 months ago by rokytnji.

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