Fix Chrome Hardware Acceleration Black Screen on External Monitor - Fix Git Large File Push Permission Denied-DISM Guide to Fix Error 0x80070002

Updated 2026-07-29 00:03:56macos-help

Fix Chrome Hardware Acceleration Black Screen on External Monitor - Fix Git Large File Push Permission Denied-DISM Guide to Fix Error 0x80070002

Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

Restart the affected app after changing permissions or configuration files.
Test the same workflow in a clean browser profile or a temporary user account.
Compare the result on another network if the error may be connection related.