press "Delete" when the system starts up to enter BIOS.(The mathod might be various depends on brand of your system, your user manual may help you) Then find a option such as "IDE Detection" or the like.. E. I+ C$ P4 X
You know, I mean, you should let the BIOS to recognize the newly installed HDD.0 c, C7 Z1 N8 j* B e& S; a
PS: against your description, you mayy MEMORY may meet difficulty. unplug them and reinstall after proper cleaning.