it had a 5400rpm sata hard disk on it, n i replace with a intel 80gb ssd G2 by myself

now the configuration is: 32bit win7(fully updated),4GB ram, 80gb ssd, 1 usb3, 2 usb2.
problem: if i right click on desktop it took much time to show the menu!! or programs are taking too much time to open.
my suspect:
1. the hard disk is behave like a ATA drive!! though i install Intel SATA AHCI controller.
2. do i need to upgrade BIOS?? current system BIOS is v2.09
http://support.acer.com/product/default ... delId=3803
need your help here. thanks.