HP 550 Upgrade SSD problem,Bios Password

[simpsonhf]

Hello. I have two questions bios has power-on password i hit enter 3 times i dont get any code just symbol like this *
and second question i upgrade with ssd samsung evo 840 I am trying to install Windows 10 again but say Windows cannot be installed to this disk. The selected disk is of the GPT partition style.
thanks in advance

 

[webworkings]

If your BIOS has a password, that you don't know, we cannot help you with getting past that.

Also, GPT is what it should be.