When you open Microsoft Edge or Google Chrome, your tabs might flicker once for less than a second. This is an industry-wide issue and not specific to HP computers.
Although no solution has been released by Microsoft or Google, you can attempt to resolve this issue using the following methods.
If the settings for the browser have been changed or altered, try resetting the browser to its default settings to resolve this issue.
If the profile for the browser has become corrupted, try creating a new profile to resolve this issue.
Some browser extensions can cause conflicts with other extensions, the browser itself, or other software on the computer. Try disabling extensions to see if this resolves the issue.
If the browser or other software on the computer is outdated, try updating the browser and other software to resolve this issue.
If the graphics drivers on the computer are outdated or not functioning properly, try updating the graphics drivers to resolve this issue.