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Boot drive not found, Gigabyte z690 gaming x

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bios windows 10
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36K views 6 replies 3 participants last post by  NewPCBuildGuy  
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#1 ·
I just build a new system with
CPU = i7 12700k
GPU = gigabyte 8gb 1070
Cooler = h100i rgb pro xt
Motherboard = gigabyte z690 gaming x
SSD = corsair 970 evo plus 1TB (m.2)
PSU = 650W psu

however when I boot the system up I am able to enter the bios however the m.2 drive does not appear in the boot sequence menu ("no boot drive") even though it is being recognised as an m.2 therefore instead of booting into windows after the bios I end up looking back into the bios. (The m.2 works perfectly fine with my current pc and boots straight into windows). Up to now I have tried resetting the cmos, replugging in the m.2, update the bios, disable uefi and launch using csm legacy mode (although after launching the setting gets reset back to disables). Does anyone have any idea of what I could do/try in order to get my pc to launch with the m.2?
 
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#3 ·
flavallee said:
You removed the M.2 SSD containing the Windows operating system from your current PC and then installed it in your newly built PC, and now you are seeing a "Boot device not found" message?

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Yea i just took it out of my current PC and then installed it in m new build (although i tried the same with my old HDD as well but that didnt work either). Its back in my current PC at the moment and it still works fine.
 
#4 ·
You cannot do that.
If you remove a HDD or SSD containing a Windows operating system from one PC and then install it in another PC, it will not boot.
That is why you are seeing that "Boot drive not found" message.
You need to reinstall the Windows operating system in the PC the HDD or SSD was installed in.

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#6 · (Edited)
Your newly built PC has a 12th generation Intel processor, so I am going to assume the operating system is Windows 10 or Windows 11.
Since it is a newly built PC, a clean fresh install of the operating system should be done anyway.
Hopefully, it has at least 16 GB of RAM and a quality power supply unit.

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#7 ·
Hi - I had a similar experience this weekend.
In my case I was swapping out my existing SATA Samsung 860 Evo SSD (rather than m2) and GeForce GPU to a new build PC including a Gigabyte z690 UD DDR4 motherboard.
I was able to resolve this issue by tweaking the BIOS having found a really useful video online. See the following video
Full credit to the guy who posted this solution. In my case changing CMS to enabled was all that was required.
Save the changes and you should then find the PC boots up.
What you may then also find is that your Windows Activation may indicate it needs to be renewed, but in Windows 10 you can use the Activation troubleshooter and then select 'I changed hardware on this device recently' option and you should be good to go.
At least this worked for me. Hopefully this, or similar, may work for you. Good Luck.
 
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