Boot Disk Failure, Insert System Disk and Press enter - HP Support Forum - 243012

My Problem is that when I start up my computer, it brings up the blue "HP" screen with options of "ESC-Boot Menu" "f10-Set... - 243012 ... I have the same APC ES 750 but I don't use power chute. I don't believe that is the problem. If you can get into the

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