Re: Broken Factory Reset Dell Inspiron 7559
You can Download the Latest Build of Windows 10 from Microsoft and use that to clean install.
Windows 10 will have basic system drivers included so you can connect to the internet.
Once you are connected to the internet you can then use Dell Update to get the Dell System Drivers, it will scan your hardware and download and install any newer drivers available on Dell servers for you:
Detailed guides available here:
Tech Enthusiast and Author of the Unofficial Dell Windows Reinstallation Guide