Will running reset on Windows 10 format the whole drive?

I have an ASUS laptop running Win10.   I have 2 partitions on the hard drive.  1 partition is the OS the other is just data.  Something happened to the OS and it seems corrupted.   The Data partition seems fine.  If I do a "reset keeping my personal files in tact, will the reset format the drive and wipe out my Data partition on the drive or will it just reset the "C" partition which is the OS partition?
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David Johnson, CD, MVPOwnerCommented:
no it only affects the windows areas of system partition.
JohnBusiness Consultant (Owner)Commented:
If you Keep the Data, it will be kept. That is true for Windows 10 "Keep Data"

However, good practice says Backup anyway.
syssolutAuthor Commented:
So I made a backup of data, so now I just do a reset keeping data?   The only thing is that the computer did not come with the 25 digit key, the laptop came (I misspoke, it is windows 8.1), with OS installed.   Will it ask for the key?
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JohnBusiness Consultant (Owner)Commented:
If the computer was running Windows 10 (even if it came with Windows 8) you do not need a key. It is stored in the  Microsoft licensing server
syssolutAuthor Commented:
Ok, I am going to do the reset.   I will let you know how it works out.
syssolutAuthor Commented:
It is saying "The drive where Windows is installed is lock, Unlock the drive and start again".  How do I do that?
JohnBusiness Consultant (Owner)Commented:
Do you have a drive password lock or bit locker installed? You need to know the password
syssolutAuthor Commented:
But if the computer isn't booting up, where do I put in a password?
JohnBusiness Consultant (Owner)Commented:
Remove the data drive (you have a backup anyway) and try doing a fresh install of Windows

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syssolutAuthor Commented:
I tried the software Nobus but could not get the computer to boot to that CD, so I had to re-install completely, but while I was updating the new install an error message came up saying the hard drive was going bad.    So I had to install a new hard drive.   Thanks all for help.
JohnBusiness Consultant (Owner)Commented:
Thank you for the update.
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