Please complete the steps below to refresh your configuration files for Steam:
Exit Steam.
Please open Internet Explorer, Safari or Firefox and type steam://flushconfig then press Enter. (If asked to allow this website to open a program, please click 'Allow' or 'OK')
When prompted by Steam to reset your configuration, please click 'OK' to confirm.
Once done, login to Steam and re-test the issue.
If you have multiple installation folders for games doing this process will remove them. You will need to add the folders again in Steam so that your games will appear as installed.
In order to add these extra installation folders please do the following:
1. Open Steam
2. Click Steam > Settings (Preferences on Mac)
3. Navigate to the 'Downloads' tab
4. Click the 'Steam Library Folders' button
5. Click on 'Add Library Folder' and add the directory that contains your games
6. Click 'OK'7. Restart Steam
мне не помогло то что они написали
решил проблему изменением строчки в файле video.txt
"setting.mat_queue_mode" поставил значение 0 и проблем не было