@cratte said in White screen 'flashbang' when opening pages:

Perhaps a solution here, because Opera is using the Blink engine from Google's Chrome browser.

Chrome Browser: Turn hardware acceleration OFF?

"Chrome launches with the white screen?"
https://windowsreport.com/chrome-white-screen/#:~:text=Some users have confirmed that,in the snapshot directly below.

go to:

Disabling hardware acceleration may have consequences worse than the white flashing,