Performance Processor* AMD Sempron? SI-42 processorOperating System* Genuine Windows 7 Home Premium (32-bit)Graphics Engine* ATI Radeon? 3100 Memory and Storage Memory* 2GB DDR2 800MHz memoryHard Drive* (5400rpm, Serial ATA)Optical Drive* DVD-SuperMulti drive (+/-R double layer) Audio and Video Display Size 15.6" widescreenDisplay Type* HD TruBrite LCD DisplayDisplay Resolution Supports 720p content, 1366x768 (HD)Audio Headphone jack (stereo), Microphone jack (mono), Standard stereo speakers Communication Wireless LAN* Realtek 802.11b/g wireless-LANBluetooth No Bluetooth (No Antenna)Modem No Modem portLAN 10/100 Ethernet LAN Power AC Adapter 65W (19V 3.42A) Auto-sensing, 100-240V / 50-60Hz inputBattery Li-Ion (4000mAh, 6-Cell)