Asus netbook pc troubles?

i have an Asus netbook that has been giving me troubles for a while now. i have ran AVG and Malware Bytes. i used to have a trojan horse generic virus. i got rid of it but i keep getting redirected to a different web page every day. what else can i do, or and i gonna have to shoot my asus to peices?

ASUS N53XI241SV-SL/64NRBXXS 15.6" Notebook Core I5-2410M 2.3 GHz Windows 7 4GB DDR3 640G NVIDIA GT 540M Graphics Wifi 2.0 Mega Webcam Laptop

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ASUS U81A-RX05 Notebook Intel Core 2 Duo T6500(2.10GHz) 14" 4GB Memory DDR2 800 320GB HDD 5400rpm DVD Super Multi Intel GMA 4500MHD