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Z170-HD3P-CF How to change boot drive permanently

andyz

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Z170-HD3P-CF How to change boot drive permanently
« on: January 03, 2021, 04:34:57 pm »
Hi, I have a Z170-HD3P-CF and have just installed a Samsung EVO M.2 drive which I'd like to be my primary system drive.
I successfully formatted the new drive and cloned it (from my existing SSD) using Samsung's data migration tool.

I can change the BIOS to boot from this drive but after restarting it always goes back to booting from my old drive.
Could someone please tell me how to change the setup to make the new drive the boot drive?

I have the latest BIOS (as I know that's usually the first thing to check)

Thanks in advance
Andy

shadowsports

  • 2018
  • 63
  • Xbox One, Drives STI, Use QVL RAM For Best Results
    • Gigabyte US
Re: Z170-HD3P-CF How to change boot drive permanently
« Reply #1 on: January 05, 2021, 07:35:40 am »
Greetings,
After changing the boot order in BIOS and booting successfully from the m.2 drive, you have two options.

You can format the old drive using Disk Management

or

Use diskpart from a administrative command prompt to clean and convert the disk to GPT format.

GPT is preferred to MBR, but it won't hurt to leave your boot drive MBR if that's how it was originally installed.
Z390 AORUS PRO (F10) \850w, 9900K, 32GB GSkill TriZ RGB - 16-18-18-38, RTX 2080 FTW3 Ultra, 960 Pro_m.2, W10 2004
Z370-HD3P (F5) \750w, 8350K, 8GB LPX 3200 - 16-18-18-38, GTX 970 FTW SC, Intel SSD, 2TB RAID1, W10 2004
Z97X-UD5H \850w, 4790K, 16GB Vengeance, GTX 970 FTW SC, RAID0

andyz

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Re: Z170-HD3P-CF How to change boot drive permanently
« Reply #2 on: January 09, 2021, 01:53:48 pm »
I managed to solve this, it was my fault - I didn't realise that making the new drive the primary one, it would automatically get renamed as the C drive.
All ok now.

shadowsports

  • 2018
  • 63
  • Xbox One, Drives STI, Use QVL RAM For Best Results
    • Gigabyte US
Re: Z170-HD3P-CF How to change boot drive permanently
« Reply #3 on: January 09, 2021, 05:06:00 pm »
I managed to solve this, it was my fault - I didn't realize that making the new drive the primary one, it would automatically get renamed as the C drive.
All ok now.

That's correct.  Your boot.ini now "BCD" in windows 10 would be confused if it had a listing for 2 C:\ partitions to boot from.

Changing the drive letter is one option.  Performing the format or using diskpart and converting to GPT format is another.   Glad you got it solved.

 
Z390 AORUS PRO (F10) \850w, 9900K, 32GB GSkill TriZ RGB - 16-18-18-38, RTX 2080 FTW3 Ultra, 960 Pro_m.2, W10 2004
Z370-HD3P (F5) \750w, 8350K, 8GB LPX 3200 - 16-18-18-38, GTX 970 FTW SC, Intel SSD, 2TB RAID1, W10 2004
Z97X-UD5H \850w, 4790K, 16GB Vengeance, GTX 970 FTW SC, RAID0