5552g-7893頓頓的~~

cpu N970
amd5560m
6G DDR3
請問以上配備重灌後為什麼會頓頓的~~
尤其是完FB寶石方塊~~
ACER的官網下載了~~
音效卡 Realtek Audio Driver
藍芽 Atheros Bluetooth Driver for Windows 7 SP1
讀卡機 Realtek Card Reader Driver
區域網路 Broadcom LAN Driver
觸控板 Synaptics Touchpad Driver
顯示卡 AMD VGA Driver
無線網卡 Broadcom Wireless LAN Driver
Camera Chicony WebCam Application
ePower Acer ePower Management Application
LaunchManager Dritek LaunchManager Application
BIOS Acer BIOS
可幫我看看我少灌了什麼嗎?
且藍芽也無法啟動~~