ดาวน์โหลดไดร์เวอร์ Dell optiplex 755
Download Driver Dell optiplex 755 For Windows10/8.1/8/7/XP 32 & 64bit 
1.Graphics Drivers
Intel(R) Q35 Express Chipset Family (Download) 
2.Network & Wireless Drivers
Intel(R) 82566DM-2 Gigabit Network Connection (Download)
3.System & Chipset Drivers
Intel(R) ICH9 Family 2 port Serial ATA Storage Controller 2 - 2926 (Download)
4.SM-Bus-Controller
Intel(R) ICH9 Family SMBus Controller - 2930 (Download)
5.Hard Disk Controller Drivers
Intel(R) ICH9R/DO/DH 6 Port SATA AHCI Controller - 2922 (Download)