Celsius M460 boot problem after BD installation

[FBergemann]

Hello
I installed a BluRay Combo Drive Asus BC-12D1ST in my Celsius M460 (removed the old DVD combo drive).
Afterwards the Workstation does not boot properly anymore.
When switching power on, it hangs in BIOS for scanning the (SATA) devices.
After power off, and power on again, booting works.
It's annoying to do this power on, off, on - and i guess it's not good for the system.
I have already installed the latest BIOS version.
Can you pls. help me?
- many thanks!
best regards,
Frank

[sabrex]

possibly bios settings

ATA_controller_config.jpg (82.6 KiB) Viewed 7756 times

Sata_Mode.jpg (55.07 KiB) Viewed 7756 times

set_AHCI.jpg (60.73 KiB) Viewed 7756 times

sata mode options. Try aHCI if its already on AHCI try COMPATABLE