Trying to reinstall windows 10 onto laptop that won't boot

Hi

I am having trouble with my laptop it's recently stopped working it's quite old. The issue was every time I tried to turn it on it just went to the boot menu without me pressing anything and when i tried to boot it just didn't do anything and went back to the boot menu.

I then created a USB to install Windows 10 to try and fix it, bt I haven't had much luck with it. I tried to follow the steps on this guide 

www.dell.com/.../EN

The guide told me to go to trouble shoot, advanced options, command prompt and write in a bunch of commands. However when I got to the end to rebuild the BCD store it just didn't work and it didn't tell me why.

I then tried to restart and do the repair option in the troubleshoot menu and ever since it has been going to this blue screen that just says:

Recovery

Your PC/Device needs to be repaired

The Boot Configuration Data file doesn't contain the valid information for an operating system.

File:\BootBCD

Error code: 0x0000098

You'll need to use recovery tools if you don't have any installation media (like a disc or USB device), contact your PC administrator or PC/Device manufacturer.

And now it doesn't matter what I do it keeps going back to this screen!!

I've tried restarting the computer and it keeps going back to the screen. I've tried going to the boot menu and booting from the USB and it goes back to this screen. I changed the order in setup to make it boot from the USB before anything else and it keeps going back to this screen. I really don't know what to do now im just frustrated =.= does anybody please know what I can do?