Dell Latitude C610
Windows XP Pro

I recently replaced the hard drive because it sounded like it was dying plus the response time seemed sluggish. With the new hard drive, it seemed to move a little faster. Next, I upgraded the memory from 512Mb to 1Gb but it doesn't seem to be running any faster. I was wondering if the BIOS should be updated since it's still running on the factory installed version. If anyone has any other suggestions then I'd appreciate them. Thanks.