Running out of ammo and needing to switch to a secondary weapon to continue battling enemies, only to find yourself unable to do so, is perhaps the most frustrating situation for PUBG players. So how do you fix this extremely annoying issue?
Fixing Key Stuck and Weapon Swap Issue in PUBG PC
Guide to Fixing Key Stuck and Weapon Swap Issue in PUBG PC
The cause of this issue stems from conflicts between the default Vietnamese input method in
Navigate to the Setting Language section, under Language, select Choose an input method to always use as default.
Within Choose an input method to always use as default, choose Language bar Options.
In the window that appears, select Between input languages and choose Change Key Sequence
Next, choose Not Assigned for both columns of Switch Input Language and Switch Keyboard Layout, then click OK and OK again in the previous window.
Check the Input Indicator in the bottom right corner of the screen; it should now display ENG.
So that's how you fix the issue of key connection not changing weapons in PUBG PC. You can also check out the troubleshooting guide for Connection Closed PUBG here.