If after opening Microsoft Excel, it starts flickering, you can try the following fixes to get rid of the problem. Some users were able to fix the issue by disabling the Hardware Graphics Acceleration ...

Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.

The troubleshooting guidelines to deal with this problem are explained below. But before you proceed, close all the Excel files and open Excel again. Now, check if you can type something in your Excel ...