my computer is running sluggish so i want to refresh it in pc settings where it says refresh pc without affecting files but i git a message that says insert media some files are missing when i put in mr win 7 or 8 or 8.1 dvd it says wrong media what can i do to fix this or what do they mean by insert media i got nothing else to put in drive
My Computer
System One
-
- OS
- win 8.1