Windows 10: How do i fix boot error without losing data

So i have an acer veriton X270 and a Lenovo thinkpad pc. Since the Acer is abit older it wouldnt want to boot install windows 10 from usb. i removed the lenovos ssd and put in the acers HDD to install windows into the acers HDD via lenovo.it worked. when i put back the ssd into the Lenovo, it wont boot. It goes into Automatic repair mode and diagnosis but fails to fix the problem. It says wimdows failed to start properly. and startup repair gives me Log file: D:\windows\system32\ logfiles\srt\srttrail.txt.

:)

 

Cannot Start PC: Missing Boot Configuration Data

Windows version: 10.0.19041.631

I reinstalled windows 10 with the keep data and app option a week ago.
Today, a BSOD happened and it was something like "page fault in nonpaged area". I forgot to record down the specific message.
Now I cannot start my PC at all. I get this 0xc0000098 error on every boot:

I have tried the following in order:

• I have tried step #1,2,3,4 here: How to Fix Windows Boot Error 0xc0000098 Quickly In fix #3, Bootrec /fixboot gave me "Access denied" so I stopped there.
• I have also tried the solution involving diskpart suggested by u/Tekkie_Boy here: Windows Says Boot File is Missing | Error Code 0xc0000098 : Windows10
  I got "Boot files created successfully" but the same error occurs after windows is restarted.
• Bootrec /rebuildbcd gives me "the requested system device cannot be found" after it finds 1 identified Windows installation and saying yes to installing it to boot list.
• Macrium Reflect Rescue USB's "Fix Windows boot problems" option didn't work.

Could someone help me please.

 

vista boot error

Well, earlier today i was trying to setup a dual boot along with Xp and already had vista installed... so I made a partition on one of my HD's and went to install XP on it.. the instalation went back and I got an error that the CD was bad, so I rebooted and now I get the error Error Loading Operating System.. trying to figure out how to fix this.. I tryed playing in the BIOS along with using the Vista repair option but nothing helping.. my vista is on a different hard drive then where i tried to install XP to...not sure what else to do, I need to fix my boot file somehow... suggestions?

 

Reinstall windows 10 without losing data

Hi Chris,

It is important to know what was the result of running chkdsk, as this will help us determine if this is a possible hard drive failure. Can you tell us what was the result of chkdsk?

However, if the result did not find any errors, then you can check for corruption in the system files that is preventing your computer from booting up. We suggest that you run the System File Checker tool to address this. Use the installation media to run
the tool.

• Connect the installation media to your computer and then turn it on.
• On the initial setup screen, enter your language and other preferences, and then select Next. If you're not seeing the setup screen, your PC might not be set up to boot from a drive. Check your PC manufacturer's website for info on how
  to change your PC's boot order, and then try again.
• Select Repair your computer. On the Choose an option screen, select Troubleshoot > Command prompt.
  
• Type sfc /scannow and press Enter.
  
  
• Once done, restart the computer.

If still your computer is unable to boot up, then we recommend you refresh your PC. You're not going to lose any files as long as you choose this option. However, we cannot guarantee that you're not going to lose any programs. To do this , follow these steps:

• Connect the installation media to your computer and then turn it on.
• Select Repair your computer. On the Choose an option screen, select Troubleshoot >Refresh your PC.

Let us know how it goes after performing the suggested steps.