Hi Hugh-Rowland... below is a link to a forum about how to show the caps lock indicator for an Acer machine as this is an Acer configuration you need to set.
Hope this helps and have a great day!
https://community.acer.com/en/discussion/14251/...
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.