Fix timing.

I recently began playing on computer because I wanted to try variants, however there is a problem with timing. After my move, my clock keeps ticking, it never changes to the opponents turn. It says lost on time when I have played my first few moves and should still have over 5 minutes left. My computer is a 2015 Acer laptop and I'm using strong internet connection, so if you don't fix this issue I'm going elsewhere permanently.

It's possible there is a plugin conflict or just a general disconnect from the Live server.

https://support.chess.com/customer/en/portal/articles/1444918-my-internet-connection-is-fine---why-am-i-getting-disconnects-

No, I don't see a problem with my laptop. The timing works fine on another site.

Different sites use different mechanisms and are hosted in different locations. There can be a lot of different causes, including the client and/or server code.