Acer Aspire E1-431 specification: This laptop powered by Intel Pentium Dual Core D960 with Intel Mobile HM70 Express. The RAM memmory can be upgraded to 8GB, 500Gb of SATA Harddrive. How about the power consumption? Comes with 6-cell 65W battery, it can hold laptop up to 4 hours of battery life. This 2.4 kg of weight laptop has come with Linux 64bit. WLAN Wifi Network Acer Aspire E1-431 drivers for win 7 32bit - Wireless LAN - Broadcom Wireless LAN Driver 57.8(MBytes) download here Wireless LAN - Atheros Wireless LAN Driver 40.9(MBytes) here Video Graphics Card VGA Intel here VGA Driver(PhysX) NVIDIA 30.41(MBytes) here LAN - Realtek LAN Driver 5.64(MBytes) download here AHCI - Intel SATA AHCI Driver 5.89(MBytes) Download here AUDIO - Realtek Audio Driver 181.92(MBytes) download here Chipset - Intel Chipset Driver 2.83 (MBytes) download here ALPS Touchpad Driver 10.2(MBytes) download here ELANTECH Touchpad Driver 177 (MBytes) Download from here Cyberlink WebCam Application 31.2(MBytes) Download here All of above drivers support for Microsoft Windows 7 32bit.