Liteon DVD recorder

I have a LVW-5115GHC+ machine that has worked fine. Now when I put a new DVD R+ disc into the machine it starts to prpare the disc. Once it displays 21% reached it ejects the disc as " invalid disc". It also refuses to identify RW discs.
It does play discs that have been recorder.
Can you please advise what I can do to rectify the fault. I have cleaned the lenses.
Any ideas what could be wrong.

Welcome to the forum. :flower:

Lots of Lite-On recorders have drives that wear out and need to be replaced, so it’s hard to say. It’s a common problem.

Try updating the firmware to see if that makes a difference: