How do you insert a tiny disk into computer?

what do mean by disk cd or floppy disk ?

It says OPTIPLEX 210L

I guess like a cd, sorry- i’m easily confused. It’s for an mp4 thing…

Okay, so now i got it to go in- but after a second or two, it decided it wanted to reject it…

lie it down and try again….

is this it: http://funadvice.com/r/bfijcva0p38

?

Yes, that’s exactly it. I’ll try that, thanks.

if its a small disk then u can try placing it in the inner circle …. normally horizontal or vertical the disk will not fall … the only reason is ur cpu would have been slightly tilted to on side ….. if its not possible … position the cpu in such a way that u can incert the disk with face down …. as all the parts r intack in it . there will not be a problem in placing it in horizontal position .

most of the time the part that holds the disk will has a smaller spot in it for smaller disk