windows suddenly deleted itself

Question

So I wanted to convert my windows build format from mbr to gpt and i cannot do that directly i tried in an old computer the windows get corrupted luckily i had 2 disk and from an video i found out i can also do that through a different operating system so i decided to make a dual boot system and since i will be installing windows on a hard drive which is really slow so i decided to install windows 7 to get the job done so i installed it from an trusted website not official cuz i could not find any installation media so instead of booting from usb using rufus i decided to extract the file and boot straight from setup and followed the windows installation manual and when everything was completed i logged in and saw that many drivers are not installed no wifi usb are not being detected except they are being detected in bios basically i was stuck also i tried switching to my ssd but it always booted to hdd windows 7 so i had an idea got an usb booted up on it with an windows 10 installation media and deleted the windows 7 drive and exited and my horrors came true for some unknown reason my windows 10 on ssd got corrupted had to reinstall windows 10 all my data on the c drive was lost not like important data but most programs etc so i wanted to know the reason of its sudden deletion like what caused it?

Answer 1

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Kirito|Microsoft Technical Support Specialist

Answer 2

Thank you for your reply by seeing your diagnostic for my possible problem I am pretty sure its the no-1-Incorrect OS installation since its an unofficial site and I also compared the size of the file with other windows 7 file and it was like 600 mb size difference which leads me the believe the installation was faulty but luckily i was ably to recover my main data like my files that were on desktop and downloads with data recovery software but all the programs were gone not a big problem though so yeah basically i am all sorted out thanks for the quick reply tho

Answer 3

Hello and welcome to the Microsoft Community!

According to your feedback, you have encountered the problem of deleting windows 7 but the windows 10 image is corrupted and other files are deleted

First of all the situation you have mentioned is quite complex in which there could be multiple reasons for the problem. From your description I am not able to determine the exact cause as there are multiple operations and possible errors involved. However, I can provide some possible causes of the problem:

1. Incorrect OS installation: Downloading and installing an operating system from an unofficial website may cause the system to become unstable or corrupted because it is unauthorized, so whether he carries viruses or not, and whether he makes changes to the other settings of your hard drive or not, I'm not sure
2. Boot order setting problem: Setting the wrong boot order in BIOS may cause the system to always boot from the wrong hard disk.
3. Operational errors: Unexpected operational errors may have occurred while formatting, installing an operating system or deleting a drive.

Since these problems can lead to system corruption and data loss, I recommend backing up your data before performing any important operations and making sure you get the OS installation media from official sources. In addition, for hard disk format conversion and so on are more risky operations, if there are any mistakes which will not be easily detected, it may lead to unknown errors.

In addition, you also mentioned that most of the affected programs are programs, so it is possible that there are problems with the program storage paths, or the way they are stored.

If you are creating Win10 flash drive media, creating media with files or programs inside the flash drive may cause some of the programs on your flash drive to be corrupted, because the contents of your flash drive may be changed during the creation of the system, so it is recommended that you use a new flash drive to create the media.

I hope you find the above helpful, and please feel free to let us know if you have any questions!

Kirito|Microsoft Community Support Specialist