Windows 10: Deleted an operating system in Windows Dualboot, now nothing starts?

Hello,I have had 2 operating systems installed on my PC. I deleted the firstI formatted the SSD, which I no longer used. Now no windows starts at all. I guess I deleted the boot manager on the first drive and now no windows is recognized. How can I fix this now again?

:)

 

Can i dualboot on older operating system( specifically Windows 7)

Can i dualboot Windows 7 on my Windows 10 PC? I don't have an ISO yet but i will soon. if i can't dualboot an older operating system i think i can use EasyBCD to add an entry i also have a product key)

I found an ISO: Windows 7 Ultimate SP1 x64 - Fully Updated : Free Download, Borrow, and Streaming : Internet Archive

 

' choose an operation system to start"

Hi Bob,

To better assist you, do let us the complete message that you receive.

Sometimes, this could be due to two operating system installed in your computer. Just to make sure this is not the case, I suggest you to try the steps below:

1. Press Windows key + R.

2. Type msconfig and press enter.

3. Click the "boot" tab and check if there are any other operating system listed.

4. In addition, change the timeout time to 3 seconds(default)

Let us know the result, we will be glad to help if you need further assistance.

 

dualboot

Guess I'm just going to let it go for now.I dualbooted 10&11 this morning on my laptop and works fine.Thanks to everyone for there help and suggestions.