LAST year mere i ball keyboard ki kuj keys work nhi krti thi to mai care centre gaya to unhone keyboard open kiya aur ek rubber pad change kardiya. unhone use memorance kaha tha. now again kuj keys work nhi ker rhi aur ab meri warranty bhi khatam ho gyi hai. kisi ko pata haius paad ko exact kya khete hain aur uski keemat kitni haikya khete hain