Acer Aspire 5542, AMD Turion Dual Core M300 -

Acer Aspire 5542, AMD Turion Dual Core M300 AMD,2.2,DDR 3,4,SATA,500,ATI Mobility Radeon HD 4200 LED,1920 x 1080,15.6,DVD/RW,Integrated,WLAN 802.11bg, Yes,4 in 1,4,HDMI,na,2.5,6 Cell Li ion,Windows 7 Home Premium 32 bit replace ram 4gb by 1gb replace hard drive 320 gb by 200 gb no power supply ,i need it ,laptop fully charged 3 keys missing from key board,kids done it,but i have another one bought it from ebay never had time to change it going with laptop last offert is 120 pounds .to buy it new in the chop now cost 400 pounds. but my offert is low.happy bid. 07831141670 Adam