Computer unsavy

[frankie66]

Hello,i thought my cd-rom drive wasnt working so i took it out and had it checked it was fine when i put it back in the screen goes black and gives me a "no operating system found press f1 to reboot " error message how do i fix this unplugging drive and computer works fine

 

[ksiemb]

Hello,i thought my cd-rom drive wasnt working so i took it out and had it checked it was fine when i put it back in the screen goes black and gives me a "no operating system found press f1 to reboot " error message how do i fix this unplugging drive and computer works fine

See if their is a disc in the drive & remove it.