image blocked out when erasing

[alexb32518807]

As I am working on an animation in photoshop whenever I erase something the rest of the image whites out in squares. it goes back ot it's ariginal drawing when i hide and unhide the layer it's affected but it keps happening. My computer and adobe is both up to date so I have no idea whats going on. 

[kevin stohlmeyer]

Hi @alexb32518807 Go to Photoshop Preferences/Technology Preview and check “Disable Native Canvas”. Then check “Use Older GPU Mode (2016)”. Quit and relaunch PS.