Possible to prevent taskbar thumbnails on Chrome from going blank?


hyp0xia

hyp0xia

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Windows 11
This seems to happen if 1) the browser windows are inactive for a period of time, or 2) the PC has just woken up from sleep.

I've tried disabling efficiency mode and turning off memory saver (in Chrome) figuring at least one of those was responsible for this. Alas, it still occurs.

Can anyone relate? And better yet, know how to prevent this from happening?
 

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glasskuter said:
Welcome to the forum. From the screenshot your taskbar icons seem to be there. Are you referring to taskview?
You might try rebuilding your icon cache Rebuild Icon Cache in Windows 11 Tutorial
Click to expand...

Nope, the taskbar preview thumbnails, not icons. When you hover your mouse over the taskbar icon, it will give you a preview of the contents of the multiple windows that are currently open for that application.
 

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hyp0xia said:
Ugh.. I had to turn this off because of "flickering" with YouTube. I'll turn it back on and see if it resolves it 🤞But I could have sworn this issue existed before I turned this off.

Will test and post back. Thank you
Click to expand...
I wonder if this is a chromium build issue. I had the same flickering with Edge in videos, Netflix, and even just pages. Disabling graphics acceleration seemed to have solved the issue.
 

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jvickers said:
I wonder if this is a chromium build issue. I had the same flickering with Edge in videos, Netflix, and even just pages. Disabling graphics acceleration seemed to have solved the issue.
Click to expand...

That's a good point. I would lean on the side of that being the case.

I just popped back into my settings and for some reason, it's on again. Likely synced from the settings on my other devices but I haven't been noticing flickering lately which is strange. Going to keep it on, do some more tests, and will post back.
 

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Hmmm...,
I've got Hardware Acceleration enabled and, all that Memory Saving stuff off, I don't get blank thumbnail previews or flickering.

0006896.jpg
 

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Too bad.. After waking up my PC this morning. All of the Chrome taskbar previews were blank once again.
 

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Ha! Got one! On my 22621.3593 machine.
I think it's a time span of about 30 minutes..., your cursor can float over Explorer but can't interact with it!
Might be a Windows thing or, a Chrome thing or, both!
I didn't have Task Manager open at the time!

6945.jpg

Never seen it anywhere else! 🤷‍♂️

6944.jpg
 

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I might be barking up the wrong tree but, try this if you feel like it:

Add --disable-features=UseEcoQoSForBackgroundProcess to Chrome's shortcut Target...
(Don't forget the space between .exe" and the double hyphen)

There should no longer be Efficiency Mode running on Chrome in Task Manager.

6946.jpg
 

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Edwin said:
I might be barking up the wrong tree but, try this if you feel like it:

Add --disable-features=UseEcoQoSForBackgroundProcess to Chrome's shortcut Target...
(Don't forget the space between .exe" and the double hyphen)

There should no longer be Efficiency Mode running on Chrome in Task Manager.

View attachment 96623
Click to expand...
Ah, looks like you got it. Finally, someone who doesn't think I'm crazy lol.

Yeah, "--disable-features=UseEcoQoSForBackgroundProcess" goes outside of the quotes in the target. Unfortunately, that didn't seem to solve this for me

I've used another way to disable efficiency mode (using Process Lasso) and it works well. But disabling efficiency mode doesn't seem to solve this issue either =/
 

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Just wanted to post the best possible solution that I've found to quickly restore all of the preview thumbnails... hold CTRL and keep clicking the Chrome taskbar icon and it will individually restore every window to the foreground this regenerating the preview thumbnail. Once they've all been restored, hit Windows + M to minimize everything that you've just restored. Takes about 10 seconds and is good enough that this isn't a paint point any more.
 

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