DELL Inspiron 1525
Not ready to repair in Warranty

I am having Dell Inspiron 1525 laptop in which i am facing network issues.

My wireless card is not working propoerly as there is some problem on singal receiptor which is weak.

I called customer care many times. Each time I call they tell to either format the OS or to check ur router and contact ur service provide. I consulted other technical people, they told its clear that there is some issues with wireless card and it need to be replaced as the same network is working fine in other laptops.

but there dell people simply say we cannot so anything...