i was messing around with my laptop putting multiple os on it. playing around with the memory in windows 7 and i tried to delete the partition for ubuntu so that 7 would have more memory...and now when i turn it on i get
"what did i do wrong?" Messing with it.
"what can i do to fix it" Depends on which OS system you want and what restore or OS system disks you have.
Decide what you want on there and start with that and make sure you have drivers for that OS handy.