My hard disk drives not showing up in boot priority.

[SumTingW0ng]

ASUS Maximus VII Hero Z97
i7 4790k @ 4.5GHz
32GB Corsair RAM
1TB HDD
256GB SSD
3TB HDD
CD/DVD optical drive


I have 4 drives that are connected to the motherboard top 4 SATA ports. Out of the 4 drives, only 2 showed in Boot Priority which are my OS SSD and my optical drive. My 2 other hard disk drives were not showed up in the boot priority, but it does showed up in boot menu, SATA Information on the EZ Mode tab, Boot Override tab in the Advanced Mode, and Hard Drive BBS Priorities. Boot Device Control was set to UEFI and Legacy OPROM. Lauch CSM was enabled as well. My two hard disk drives have drive letter. Please help me out fam.

 

[SumTingW0ng]

Can anyone help me? I don't know what's going on and how to fix it. If I try to power on individual drive, the motherboard will display it in the Boot Priority, but if I try to power on all my 4 drives, only 2 drives will display in Boot Priority.

 

[SumTingW0ng]

 

[SumTingW0ng]

I have Fast Boot > Enabled
SATA Support > All Devices

USB Support > Partial Initiation

PS/2 Keyboard and Mouse support > Auto

Network Stack Driver Support > Disable

Next Boot after AC Power Loss > Fast Boot


The thing is if I try one drive at a time, it will displays it in the Boot Priority. But if I try all my 4 drives at the same time, only 2 will display which are my OS SSD and my optical DVD/CD drive. I did tried my laptop hard drive to see if my 2 hard disk drives are dead, and the result is the same as before. Only my OS SSD and my optical drive display in the Boot Priority.

 

[mdd1963]

Did you have UEFI/secure boot install on any of these drives at an earlier time?

Select AHCI in BIOS...; if you already installed in UEFI, sometimes you might have difficulties getting to see other drives in the BIOS, especially if in UEFI mode...

 

[soladarius]

It might be a stretch, but I saw something like that on my BIOS. Turned out there was another menu inside the Boot tab where I had to choose 3 hard drives, and those would be the ones to appear as options on boot priority, the rest being ignored. Check if there's something like that.

Considering they appear on the list when they're plugged in individually, it's probably something silly like that.

 

[SumTingW0ng]

Did you have UEFI/secure boot install on any of these drives at an earlier time?

Select AHCI in BIOS...; if you already installed in UEFI, sometimes you might have difficulties getting to see other drives in the BIOS, especially if in UEFI mode...

SATA Mode is already selected as AHCI. I don't understand what you mean UEFI/Secure Boot install on any of these drives?

 

[SumTingW0ng]

It might be a stretch, but I saw something like that on my BIOS. Turned out there was another menu inside the Boot tab where I had to choose 3 hard drives, and those would be the ones to appear as options on boot priority, the rest being ignored. Check if there's something like that.

Considering they appear on the list when they're plugged in individually, it's probably something silly like that.

Advanced Mode > Boot > Hard Drive BBS Priorities. I do see all my 3 SATA drives( OS SSD and two hard disk drives), but when I go back to EZ Mode page on Boot Priority windows will show 2 drives which are my OS SSD and optical drive. I don't see my two hard disk drives show in EZ Mode boot priority tab at all.

 

[SumTingW0ng]

I don't know what to do anymore.