I have got a .rom file from my BIOS chip using this tool (it really isn't a virus). I extracted the Packard Bell boot logo from it using CBROM, edited it and put it back into the .rom, which surprisingly worked. Now I got this .rom file, but how do I get it onto my BIOS chip? I tried putting it on a USB disk and updating it from the BIOS settings, but it had no updater. I am actually not really sure of what brand my mobo is. CPU-Z says it's made by Packard Bell, but I am not sure if they make mobo's. Packard Bell does not have a update utility, actually they don't even have BIOS updates on their website, and my model is not on their FTP server (which is actually some sort of a trash bin). I searched half the internet for this. My system specifications and all mobo-related stuff can be found here.
It seems that my system is PACKARD BELL iSTART F9240 with OEM Gigabyte GA-T671MG motherboard. OEM BIOS Link