Windows 10: Problem selecting and saving boot device

I am using a computer with a X99-A ii motherboards. I am able to select the appropriate boot drive by clicking on it, and the computer boots ok immediately afterwards. But the selection is not saved.I have tried the instructions found online to move the selected drive up to the top, but they do not work. I have found no way to move the appropriate drive up to the top. The instruction to use + & - keys does nothing.My computer is several years old. Should I install the latest version of bios? If so how do I do that, and could it corrupt my installation??Very confused,Mike Stratil

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reboot and select property boot device

You need to set your main Harddrive which has your Operating System on as the first harddrive to boot, if have more than one harddrive.

open Bios
boot priority
Select the OS harddrive as first boot drive , If not sure switch between them
Set correct time and date if wrong
Save and reboot

If not sure on steps , give the Make and model number of motherboard and can assist you.

Hopefully no damage to the HDD

 

confused about selecting boot device


This is good information but I am confused about step 2 below. Wouldn't I need to select whatever device, USB or DVD, the install media is on at this point and not how I want the final install to boot?
Thanks,and sorry for dragging up an old post but it had most of the info I was looking for.

It is up to you whether you want to install Windows using MBR or GPT and you need to set the option in the BIOS for MBR or GPT style installation.

Having said that. Here's the steps:

1. Disconnect all HD/SSD except the one you will be installing Windows
2. From the boot menu, Select #1 for GPT or select #2 for MBR to boot up the Windows Installation
   Attachment 29081
   NOTE: The screen is an example and might look different from yours
3. Once the Windows Installation started. On the first screen, Press and hold SHIFT Key + F10, a command Windows will popup then type:
   - diskpart
   - select disk 0
   - Clean
   - Exit
   - Exit
4. Click Next to continue.
5. Select Custom
6. Select the first unallocated partition and click next. Windows will create all needed partitions to install Windows 10
7. Follow all the rest of the instruction to complete.

MBR installation:

1. 500MB System Reserved partition
2. C: Drive

GPT installation:

1. 450MB recovery partition
2. 100MB EFI System Partition
3. 16MB MSR partition
4. C drive.

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"Reboot and Select Proper Boot device"

Hi,

Please answer the below question to assist you better.

What happens when you select the hard disk as the priority and then try booting from the BIOS screen?

I suggest you to try performing a Startup repair to check if it helps.

Perform a Startup Repair on the system

Create a Windows 10 installation media and perform a Startup Repair on the device and check if it helps to resolve the issue.
This is an alternate way to boot the device and run recovery tools when something goes wrong with the Operating system.

Please follow the steps below to do Startup repair:

Steps:-

• Insert the installation USB drive and boot Windows 10 from it.
  
  If you don't have one, you can Create an installation Media.
• In the ‘Windows setup’ page select the ‘language to install’, ‘Time and currency format’
  and the ‘keyboard or input method’ and click on ‘next’.\
• Click on ‘Repair your computer’ and select ‘Troubleshoot’.
  
• Click on ‘Advanced options’ and select ‘Startup Repair’
  and select the operating system.

Hope this information is helpful. Please do let us know if you need further assistance, we’ll be glad to assist you.