Last week or so now and then one of the keys just won’t work . It changes and so far as also been: j 1 v and a couple of others.
Rebooting takes care of it for a while but it is totally random. Can go whole day without it happening then maybe couple times a day (you can see in this post the lack of commas sorry). It has never been more than one key at a time so far.
I have tried two other keyboards (comma) one wired and one wireless (comma) and it still does that (comma) so that’s out. No new software installed lately.
Relatively new Dell Inspiron 530 desktop WinXP no other recent changes. Never encountered this before.