This will show you how to check if your tablet pressure is working in Photoshop. It can be tricky to tell if your stylus or pen is not working or if it is just that brush, especially with fancy brushes that seem to change as you paint with them. This test will account for that.
TLDR: In short, If you can vary the pressure and or transparency of your brush strokes while painting with the default hard round brush and pressing harder or softer on your stylus, then the pressure from your stylus is being successfully sent to Photoshop.
This first test will start you off with a basic brush, enable pressure and then test to make sure Photoshop is getting pressure data from your stylus.
Note: This video has subtitles available in about a dozen languages Click on CC to select
Next up is a similar test, to check your pressure response but using transparency
Make sure you have Opacity pressure set to “on” Watch the tutorial below to see how it’s done
Wacom Pen not working? If a line drawn with your mouse looks identical to a line drawn with your stylus while varying the pressure you apply to it with your stylus, and the “opacity pressure” box is checked, then Photoshop is not getting any pressure signal from your pen, stylus or tablet.
The easiest and most successful solution is usually just to reboot. Especially if your stylus pressure was working fine just a few minutes before. If that doesn’t solve the problem then it is almost certainly a tablet driver issue and you should check for the latest appropriate driver for your tablet.
Restart Wacom Driver Without Rebooting
If you are using a Wacom tablet on Windows, you can try to restart your tablet driver before trying a full reboot.
If the tablet driver has stopped working you can restart it by going to the Windows Start search bar, type “Services” and open the “Services app“
Scroll down until you see “Wacom Professional Service” Right-click on it and choose “restart”
Feel free to leave additional questions in the comments and I’ll answer if I can.