My Sony DVD RW DW-Q30A seems to read really slow and sometimes skips and its new

CD, DVD and (Ultra HD) Blu-ray Writers LiteOn / PLDS / Sony Writer
#1

Can someone help me out, what can be the causes.

I currently set my DVD-ROM as slave and DVD RW as master but using the same cable.

#2

what media are we talking about?

#3

any CD, it reads really slow and sounds like it having a hard time.

#4

Try to enable DMA for all drives.