Guys am on laptop atm, but i neecd help, I turned on my PC, the power come on, then nothing loads, the normal boot noice does not come, nothing appears, all I get is a little noice going "da na", every few seconds, so I opened my PC to check whats rong with it, and I found that the hard drive was unplugged, (pwer), then I plugged it back in and tried the PC again, but it still wont work, SOMEONE HELP ME PLEASE