
Go to Settings > Accessibility > Zoom and toggle Zoom to off. You can do this in Settings > Apple Pencil. This is the one that changes the pencil to eraser and back. See also: iPhone or iPad not Showing up in Finder on Mac, Fix Adjust Settings
BLUETOOTH PENCIL FOR MAC HOW TO
For more details on how to use recovery mode and reinstall iPadOS, see our article: How to Use Recovery Mode with your iPhone or iPad. Then using recovery mode, you can reinstall iPadOS without erasing your data. You will want to first make a backup of your iPad. If you want to keep it charging, try a different charger, different power source (outlet, power strip, Mac) or different surface (desk). Remove iPad from the charger while using. If you can partially or fully remove the case, you can ground the iPad by having a finger touching the exposed metal of the iPad. If you have a case installed, the iPad wont be able to ground itself while you are using it. Writing on your iPad, especially if you are using a screen protector that has a rough surface (paper-like screen protectors), causes friction which may cause static which could interfere with the Apple Pencil’s functioning.

Dirty Pencil tip contact – Clean the contact point where the Apple Pencil tip connects to the Pencil.If it is loose, your writing on your iPad could become erratic. Loose Apple Pencil tip – The Apple Pencil tip should be tightly inserted.Apple Pencil may be damaged – If you have dropped it or stepped on it, for example, it could be malfunctioning due to physical damage.Try removing the case to see if the problem persists. If you are using a case on your iPad, you should check that the case is not too tight and squeezing the iPad and so causing glitches with the screen’s touch sensors. Many people use a case on their iPad – it is an expensive piece of equipment.

See also: iPhone or iPad Bluetooth not Working? How to Fix Some Possible Causes (& their Solutions) Case too Tight

BLUETOOTH PENCIL FOR MAC UPDATE
Tap your profile icon, scroll down and find the “Available Updates” section and then tap Update All. On your iPad, open the App Store app and tap Today at the bottom of your screen. Update the app(s) you use with your Apple Pencil, if updates are available.Go to Settings > General > Software Update.
