PC wont turn On if printer not plug in

[rsuthe1980]

Hopefully someone can answer this as im baffle, my computer will turn on and of with no problem as ling my printer is plug in but if printer cable unplug it won't turn on but if printer cable in plug in it will turn on but while the comptuer turn on and I unplug the printer cable it will shut down nothin making since but as long the printer is unplug it will not start or boot blank screen but printer plug in I can get to the boot or cmos screen please help Thanks

PS it a Dell PP17L Latitude