Mohterboard not reading the CDROM

Apr 10, 2018
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Motherboard: Gigabyte Auros Z370 Gaming 7
Processor: Core i7 8th Gen
Bought 2 days back

CD ROM is plugged in one of the SATA connector it is detected but take too long to read the CD. I change the:
CD ROM (thrice time)
CD
Cable
Connecting port

The HDD is working fine.

But the problem is not resolved. Any idea if it is a Motherboard issue or something else.

I still has some days to return the parts. Please give me your advise.

 
Here are some of the specs:
I have tried both LG, ASUS and one more CDROM all internal


Processor: Core i7 8700 8th Gen
Motherboard: Gigabyte Auros Z370 Gaming 7
RAM: Corsair 16 GB 3000 MHZ
HDD
No external GPU
Thermaltake Case
Thermaltake PSU 850 Watts full moudlar
Win 8 64 bit
 


Thanks for reviewing!
Yes I tried all most of the SATA ports,
No the M.2 board is not installed.