Windows 10: How to repair a win10 ssd install with no driver for usb repair ?

I have two Windows 10 installations on my PC. Primary and temp.
The primary installation cannot boot with error "The boot configuration data file is missing some required information ".

This happened aftter I wiped out another third disk which was the PC's original disk and apparently kept some boot info.

I have a USB boot disk but that does not see my Primary Windows 10 installation because the drive is running a 950 pro m.2 ssd which there is no drivers for when booted in the USB.

So there is no way that I know of, to use the USB and run a boot repair option on Primary installation.

The other Temp installation can boot into windows 10 and it does see my Primary installation's partition ... but how do I repair Primary while booted in Temp ?

It is a UEFI pc.

:)

 

How to repair a wiindows 10 installation with no SSD drivers for USB's repair option.

I have two Windows 10 installations on my PC. Primary and temp.

The primary installation cannot boot with error "The boot configuration data file is missing some required information ".

This happened aftter I wiped out another third disk which was the PC's original disk and apparently kept some boot info.

I have a USB boot disk but that does not see my Primary Windows 10 installation because the drive is running a 950 pro m.2 ssd which there is no drivers for when booted in the USB.

So there is no way that I know of, to use the USB and run a boot repair option on Primary installation.

The other Temp installation can boot into windows 10 and it does see my Primary installation's partition ... but how do I repair Primary while booted in Temp ?

It is a UEFI pc.

 

How to repair a wiindows 10 installation with no SSD drivers for USB's repair option.

Hi,

Thank you for posting in Community.

We understand your concern and we will provide the assistance required to help you resolve the issue.

Before we proceed, I would like you to provide the information stated below:

1. Is the "USB boot disk" referred to Windows 10 media creation tool?

2. When you insert the USB, do you see the Press any Key to Boot option on the screen?

The boot configuration data file is missing some required information error occurs when either of the following conditions is true:

• The Windows Boot Manager (Bootmgr) entry is not present in the Boot Configuration Data (BCD) store.
  
• The Boot\BCD file on the active partition is damaged or missing.

The second bullet refers to the “active partition”, which means the partition identified by the
Active bit set on the partition. This is what identifies the ‘system partition’, or in other words, the partition where bootmgr and BCD store are located.

For now, I would suggest that you create a DVD media creation tool and check if you can perform bootrec to repair the primary boot partition.

Download the Windows 10 ISO and create a Media Creation tool and then perform Startup Repair.

Refer to the following link:

Download Windows 10

(Refer to the section "Installing Windows 10 using the media creation tool
" in the above article for creating the tool).

Step 1:

Once you have the installation media, follow the steps:

• Start your computer from the installation media. Insert the DVD and restart your computer. If you see a message asking you to “Press any key to boot from DVD,” do so. If you don’t see the message, you might need
  to change the boot order in your computer's BIOS settings so that it first starts from the disc. When you see the
  'Install Windows' page, tap or click 'Repair your computer'
  link to start the Windows Recovery Environment.
• In the Windows Recovery Environment, on the Choose an option screen, click
  'Troubleshoot'.
• Click, Advanced Options and then click on Command Prompt

Step 2: Rebuild the BCD store manually by using the Bcdedit.exe tool

If the previous method does not resolve the problem, you can rebuild the BCD store manually by using the Bcdedit.exe tool in the Windows Recovery Environment.

To do this, follow these steps:

1. Put the Windows 7 installation disc in the disc drive, and then start the computer.

2. Press a key when you are prompted.

3. Select a language, a time, a currency, and a keyboard or another input method, and then click Next.

4. Click Repair your computer.

5. Click the operating system that you want to repair, and then click Next.

6. In the System Recovery Options dialog box, click Command Prompt.

7. Type the following command, and then press ENTER:

Note Partition represents the letter of the partition on which Windows is installed. Typically, this is partition C. Use the diskpart commands described in Method 2 to determine the letter temporarily assigned to the partition on which Windows
is installed. The detailed partition information for that partition will show the Info as Boot.

8. Type the following command, and then press ENTER:

9. Type the following command, and then press ENTER:

10. Type the following command, and then press ENTER:

11. Type the following command, and then press ENTER:

12. Type the following command, and then press ENTER:

13. Type the following command, and then press ENTER:

14. Restart the computer.

Hope this helps.

 

From an elevated ("run as administrator") command prompt type:

bcdboot D:\Windows

The drive letter in red will be the drive letter to your primary Windows 10 assigned by the temp Windows 10.

Then run msconfig, select the boot tab, and adjust the time delay to make your selection and the Windows 10 that you want as default.

You can also install and run EasyBCD to edit your boot menu to change the names of the Windows entries on the boot menu to whatever you want.

 

Hi, thanks for helping,

The command bcdboot D:\Windows succeeds but the SSD still cannot boot with the same error see screenshot http://oi67.tinypic.com/16ia5js.jpg

It is a GPT partition and UEFI bios...

When booting my secondary temp installation I can press Esc and then choose my Primary installation from the boot menu, this will boot my Primary. But it can't boot automatically .. yet.

 

What is the partition layout on all the drives?
Disk Management - How to Post a Screenshot of - Windows 10 Forums

 

Here are my disks :






The C: drive wasn't booting on its own even after I tried bcdboot c:\windows

Instead I had to do bcdboot c:\windows /s m: /f All

where m drive was assigned to the 260 MB EFI partition.

In other words the UEFI setup was expecting the boot manager to go to the EFI partition and will not accept it being in C: drive...

Maybe the EFI standard requires this, in disks where there is a dedicated EFI partition? Possibly,

Thanks for helping guys, all done now.