1.    08 Sep 2016 #1
    Join Date : Mar 2016
    Posts : 13
    Windows 10

    Backup Registry, Reset Windows, and Restore Registry afterwards


    This could be one of the ridiculous post have ever made. But, I have been wondering what will happen if I backup all of the registry keys, reset Windows 10, and then restore the registry keys? Will it affect device driver? Will the device be bricked?
      My ComputerSystem Spec
  2.    08 Sep 2016 #2
    Join Date : Jul 2015
    Posts : 3,655
    10 Pro

    No. You could but it will not work as you expect it to.

    Assuming you back up and restore your registry what do you expect will happen?

    Firstly after you restore your registry (which is only a database) will say "I have my drivers here". Then you restore and they are not there any more.

    Why? Because your drivers are in C:\Windows\System32\DriverStore directory and you've now overwritten it. This is not part of your registry database but if you restore the old version of your registry it will look for drivers here and they simply will not exist.

    Next you may have installed some programs. Their paths will also be saved in the registry database but they will not exist as you have overwritten C:\Program Files or whatever.

    Your device will not be bricked (probably) but it will not work well if you do this.

    A clean install (or restore) would be better. There are very few times restoring your registry would be a good idea. Pretty much the only time is to load the last known good configuration after a failed boot but even that almost never works.

    Don't do it, but, if you do (for fun or learning), make a backup first.
      My ComputerSystem Spec
  3.    08 Sep 2016 #3
    Join Date : Mar 2016
    Posts : 13
    Windows 10
    Thread Starter

    Thank you for your explanation!
      My ComputerSystem Spec
  4.    08 Sep 2016 #4
    Join Date : Jul 2015
    Posts : 3,655
    10 Pro

    Hope it helped. It is almost never a good idea to restore the registry.

    CCleaner for example lets you back it up before "cleaning" it. You would have to be mad to restore the backup later the same day - let alone the next week or after doing a restore.

    If I was you I'd ignore it. If something doesn't work it is faster and better to clean install or do an in-place upgrade than faff around with the registry. Definitely don't use any sort of "cleaner" or "optimizer"

    20 years ago sometimes the registry was a problem and got big and made things slow. Today it doesn't.
      My ComputerSystem Spec
  5.    08 Sep 2016 #5
    Join Date : Mar 2016
    Posts : 13
    Windows 10
    Thread Starter

    I see. That is why I saw some of my friends' devices have some sort of 'registry cleaner' software installed and claiming that it could optimizes their device.
      My ComputerSystem Spec

 


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