Cant read copied discs on combo drive

Hi all, got a little problem with the combo drive on my notebook. I can read all normal movie and music CD/DVDs which are purchased from shops, but cant read any of those data or music discs which I’d burned myself.

My drive model is TSST-L462C. anyone has any idea how I go about fixing this?

Scan them for quality, eg. using Nero CD DVD Speed or clean drive & media.

ok. but thing is it reads fine on my other drives (e.g. an LG 4163B)…

is it simply a problem with bad discs? used to hear that some drives dont read these copied/burned files well, wonder if this is also the case here…

A quality scan/result would be a good point to stqrt with to be able to answer that question…

Maybe also you should clean the TSST drive.