Clear cache in Chrome
Open Chrome
Click More (three dots) → Settings
Privacy and security → Clear browsing data
Select Time range (All time if desired)
Check Cached images...
Identify the device or system you want to reset
Back up important data (if applicable)
Sign out of accounts (if applicable)
If available, choose “Restart” first
If available,...
Clear cache in Chrome:
Open Chrome
Press Ctrl+Shift+Delete (Windows/Linux) or Command+Shift+Delete (Mac)
Select “Cached images and files”
Choose a time range
Click “Clear data”
Clear cache in Firefox:
Open Firefox
Click the...
Check and reseat the display cable (HDMI/DisplayPort/VGA) on both ends
Try a different compatible cable
Test with a different monitor/TV (or connect the current display to...
