I have a HP compaq dc7800 Small Form Factor computer. All my screen says is " The following configuration options were automatically updated: No IDE Fixed Disk Present.
F1: Save Changes. (F9=Boot Menu) (F10 =Setup)
none of the F keys work. I tried a new hard drive and that doesnt work. I also tried disconnecting the hard drive and booting from the CD with my windows 8.1 disk. That didnt work either. Any suggestions?