DVD drive has trouble reading CDs after opening casing

HI guys..

I has to open the casing of the drive in order to take out the front plastic thing so it would match my black computer case.

Took out the 4 screws, then but them back exactly as they were.

But now it makes a weird mechanical noise that it didn’t do before. I also has trouble reading CDs. It takes a long time in order to access the drive.

DVDs work fine though…

I know dvd drives are cheap, but if it can be fixed..