How do I boot my computer from a disc?

my pc isnt working. it shows disk boot error insert system disk i dont where the system disc is. so is it possible to create a system disc using another laptop if so please say how ...show more

The computer was plugged into a surge suppressor. I tried powering the computer on/off several times, it always brought me to a blank screen with an underscore blinking in the upper ...show more

My computer turns on but then after i click on my user account it doesn't work, it freezes on a blue screen that says Windows is starting up... and it stays like that for days. I tried starting it from Safe Mode and from Last Known Good Configuration...

It gets to a black screen with white text that says its checking my system hardware or something but then it just restarts and tries it over and over again. How else can I reformat it? I don't care about whats on my C: drive; it's already got viruses...

im on a windows XP computer. recently i received a copy of windows 7 to install. in BIOS i ensured that the system was set to boot from CD/DVD but when i boot the computer it hesitates with a blinking "_" as if it is reading the disc but however...

I read online that you can recover a Windows XP installation by copying these three configuration files to a disc. Would this actually work?

My computer had Windows XP last time I saw it. My mom said the computer had so many viruses it just wouldn't start. I started it up, and it went to dos mode, and said enter boot disc in drive A:/ i'm pretty sure. Is there something I can do on this computer...

I recently installed a new hard drive in my computernow i cant get my speakers to work & it wont boot windows without windows disc

so i take it back home it says disc boot failure insert start up disc so i take it back over there and it starts up no problems ! what gives !!