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I have a strange issue: When I drag a window on its title bar with the cursor, nothing happens - the window stays there for a while until some time or cursor movement. In other words, there is some delay before anything happens. Afterwards it snaps to the cursor and from then on, they are synced.

Observations: - If I move quickly, there is only a tiny amount of freeze, barely noticable - If I move slowly enough, the window never actually moves until I stop the cursor, then the window snaps to the cursor... - If I click and hold the titlebar for 0.5-1 second, then the cursor flashes briefly and then I can move the window and it's synced pixel perfect.

These are captured here kind of in that order: https://www.youtube.com/watch?v=zNTKZwukiyA

  • Happens with all types of windows
  • It's a relatively new OS install
  • Mouse: Cougar 700M, 1000 Hz poll rate, but tested all the way to 125 Hz.
  • Monitor: 144 Hz 1080p
  • Windows 10 Pro x64, legit, up to date
  • AMD R7 1700 + AMD VEGA 56
  • All drivers all up to date

Any idea? Thank you!

EDIT:

Based on suggestions, - Done complete DDU and installing latest GPU drivers. Same issue even after reboot. - Tried having taskmgr up while moving windows to see if there are any spikes but none. - Strangely, while installing the AMD drivers, its custom window did not have that behaviour. It's a semi transparent window that isn't the default Windows style one, and does not have that problem, it moved with the cursor pixel-perfect while all other windows had the problem. Is there a Windows feature that causes it? I did check Snap feature but that's something else

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    Have you downloaded and installed the latest video drivers? Also, what are you power management settings? – music2myear Oct 16 '18 at 22:59
  • I have a suspicion, but I think this is one of those cases where a Video would greatly help. Do you have network shares on your Quick Access panel? – FreeSoftwareServers Oct 16 '18 at 23:34
  • Do you happen to have a GSync monitor or anything? – DrZoo Oct 17 '18 at 3:19
  • Have you installed any sort of windows manager or application? – harrymc Oct 17 '18 at 9:58
  • Hi, thanks for all the comments. My monitor is Freesync 144 Hz. I have not installed any Windows manager application, either. I will record a video soon, I'm at work, thank you! – GaborBartal Oct 17 '18 at 10:51
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This is indeed strange behaviour, but it does not seem to apply to normal Windows.

It seems you are running via a TeamViewer session. In which case the graphics behaviour/oddities are caused by TeamViewer having to transmit over a network link.

  • As such (remote session), this does not seem to be errant behaviour.

You may want to experiment with the following;

  • Setting the TeamViewer session to performance as opposed to optimum graphics.

  • Try out the same session on a faster line, perhaps on a LAN.

| improve this answer | |
  • Hi, Thank you very much for the assistance, I should have clarified that this was only a remote session out of necessity, but the same happens when I'm physically at the PC. – GaborBartal Oct 21 '18 at 5:20
  • @GaborBartal Hi. I don't have access to a AMD VEGA 56, but could you look into it's settings and look for something like 'Hardware Acceleration' ? I'm fumbling 'blind' here :-) – reben Oct 21 '18 at 11:32
  • @GaborBartal I know the Hardware Acceleration (HA) is usually at the user end, but.. Could also try to go into your Display Settings, Advanced, and see it there are any HA setting there? – reben Oct 21 '18 at 11:42
  • @GaborBartal If you find any such setting to change you may have to reinitialize the graphics subsystem, which is easiest done by a full reboot. Do this via a SHIFT Shutdown, or preferably by this command; shutdown /r /t 5 – reben Oct 21 '18 at 12:07
  • @GaborBartal Can you also check what settings you have under; (Click on Win Icon, start typing Control Panel, open and select System, then Advanced System Settings, tab Advanced) under Performance Settings/Options ? – reben Oct 21 '18 at 12:18

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