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.4 d% k3 _: [, `1 w3 u* \7 X0 l
You know, I mean, you should let the BIOS to recognize the newly installed HDD. 4 T) l. L" p; W8 zPS: against your description, you mayy MEMORY may meet difficulty. unplug them and reinstall after proper cleaning.