If you can get into the BIOS , By repeatedly press F2 , there is a place in the BIOS called Hard drive delay , set for 5 second delay it will make easier to get into the BIOS.Download and run BELARC Advisor it will tell you everything about your sys. Inc. the current BIOS.
what a fast answer! And more important: with a fast solution! I've fixed it now. Many thanks or that hint.
Greetings from very cold Germany nr. Berlin