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Flickering and video artifacts on Intel HD Graphics 4000, is this a known issue?


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I had to travel for work this week and am stuck with my laptop for SL. I've got a Core i7 with the integrated Intel HD Graphics 4000 and 4GB of RAM on this thing. (Asus Zenbook Prime for those who care). There are no upgrade options at all.

It runs SL better than I expected. It actually gets up to 5fps on ultra and a usable 25 to 35 fps on medium graphics. That is far better than I expected of an ultrabook.

The problem I found is that there is a sort of rainbow highlighting of buttons and check boxes in the SL dialog (like prefs and inventory) and there is random flickering of red and cyan in text boxes (chat history, IMs). It is very distracting and definitely not part of the standard set-up since I don't see this on my desktop.

I searched the KB, forums, and google for these issues but didn't find any clear mention of them or a solution. I verified that Windows 7 is up-to-date, SL viewer is up-to-date, and the Intel graphics drives are up-to-date. Intel provides a convenient app on their website to verify you have the latest version of applicable drivers.

So, first off, is this a known issue that I just didn't find? If so could some kind person point me to what I missed?

If it's not a known issue, is anyone else experiencing it? And what (if any) solutions have you got?

Last ditch, any hints on the best way to write this issue up so that LL will have enough information to maybe fix the problem?

 

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Pretty much the best you can do is lower the graphics options so everything is deactivated and start enabling one by one (or two by two) until you get the problem. Then just leave that particular option diabled or lowered.


Sadly Intel pretty much sucks in the performance/driver quality department and doesn't put as much effort into fixing things as much as AMD/ATI or Nvidia do.

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I believe I have the same artifacts described here with Mesa / Gallium on Radeon. I've kept looking for ways to fix it for days, and found this topic in the process. See this thread where I also posted some screenshots.

I'm glad to hear Firestorm is working on a fix. I tend to defer Firestorm to other viewers, but it sounds like I'll be going back to it if they fix it first. Hopefully SL and / or the video drivers will fix it soon, whichever has the fault.

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