Artifacts on webpages when hardware acceleration is enabled. Disabling hw acceleration removes artifacts, but degrades performance of browser significantly. Using hw acceleration in Chrome has no artifacts. The error is not in the hardware or driver, but in the Mozilla software. By searching on this topic on Google, it's a common error in Firefox. The last version where artifacts where not present was: pp_name: firefox build_date: 2020-01-15 build_file: C:\Users\tulle\.mozilla\mozregression\persist\2020-01-15--mozilla-central--firefox-74.0a1.en-US.win64.zip build_type: nightly build_url: https://archive.mozilla.org/pub/firefox/nightly/2020/01/2020-01-15-21-36-21-mozilla-central/firefox-74.0a1.en-US.win64.zip changeset: c35bb210b8ae793c844bd94c1848d246bf601293 repo_name: mozilla-central repo_url: https://hg.mozilla.org/mozilla-central Intel® HD Graphics 620