I have all the disks with me.
The OS disk, the driver and utility disk.
I put the OS disk in the drive. I start the pc, I press F8 vigorously.
I can not restore it to a certain point because no such point have been made. (recovery point)
How do I delete all the information on my pc, so that i can proceed with instalment.
The end goals is factory settings.
dell xps 15 l502x