HDD Not detected in bios

razorman77 · Jul 14, 2016

Long story short, I have and SSD and HDD which were detected by the bios, then I installed windows 8.1 and when I wen't to install it the HDD wasn't detected. I wanted to install the OS on the SSD anyway so didn't think too much of it. Now my HDD isn't detected at all even in the bios, I've seen on another thread that it may be down to installing windows with both drives plugged in.

Is there any solution to this besides reinstalling windows all over again.

USAFRet · Jul 14, 2016

razorman77 :

Power off
Disconnect the HDD
Power up
Does it boot properly? The answer to this dictates how we proceed.

Outlander_04 · Jul 14, 2016

Have you connected both the power lead and the data lead to the drive?

razorman77 · Jul 14, 2016

USAFRet :

razorman77 :

Power off
Disconnect the HDD
Power up
Does it boot properly? The answer to this dictates how we proceed.

With the HDD disconnected it doesn't boot up, it just shows a flashing underscore in the top left corner.

USAFRet · Jul 14, 2016

razorman77 :

This is a brand new install?
Start over.

Install the OS again, with only the SSD connected.
When you install and it asks where, select Custom.
Delete ALL existing partitions, leaving one large space.
Let Windows install to that space.

razorman77 · Jul 14, 2016

Okay so I've reinstalled windows again without the HDD connected, where do I go from here.

USAFRet · Jul 14, 2016

razorman77 :

So it works 100%, with just the SSD?
If so,...
Power off
Connect the HDD
Power on and go into the BIOS
Verify the boot order, SSD first
Save, and continue the power up
It should work.

razorman77 · Jul 14, 2016

USAFRet :

Okay the bios now detects the HDD which is good. It is not showing in my computer however is showing in disk management so I'm guessing I have to format it. It says it needs to be initialized first though with either MBR or GBT partition styles, any clue as to which one to choose?

USAFRet · Jul 14, 2016

razorman77 :

USAFRet :

Okay the bios now detects the HDD which is good. It is not showing in my computer however is showing in disk management so I'm guessing I have to format it. It says it needs to be initialized first though with either MBR or GBT partition styles, any clue as to which one to choose?

Yes, it needs to be Initialized and Formatted.
GPT.
Then, give it a drive letter.

razorman77 · Jul 14, 2016

USAFRet :

razorman77 :

Yes, it needs to be Initialized and Formatted.
GPT.
Then, give it a drive letter.

Sweet, it looks to be up and running without a hitch now, many thanks :ouimaitre:

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HDD Not detected in bios

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