My complain is very similar 2 above. except for the fact tht proucts are from different vendors but problem is for the same chip

Description:
In the Early 2007 a major defect was detected in the 84/86 series of Nvidia Graphic Chipsets. These faulty chipsets were unluckly delivered in huge nos to various vendor as desktop/laptop parts. Details about the defect and letigation can be found at :
[Link Supressed]
I bought a dell inspiron 1420 laptop on 27/02/2008 having the Nvidia 8400M GS Chipset. Things were OK with slight extra overheating. But i never thought it was a sign of some BIG Problem. In the mid 2010 - somewhere in the month of July my laptop started behaving very oddly and withing 15 days things started getting grabbled, Blue screen coming in ocassionally and finally the laptop stopped coming up. It is then that i started looking for possible problems and solutions when i noticed something called Nvidia Defect. On further research ( I am a Computer Engineer by Profession and good understanding of computer hardware) i found that this laptop of mine was among the faulty ones. The fact can be established through these two links:
[Link Supressed]

putting the service tag no - 13CF1BS (my laptop service tag) one can find the different part nos for my laptop. finding the part no of Nvidia Graphic chipset and putting it in the following website shows the it is in the list of faulty parts.

[Link Supressed]
select dell->inspiron 1420 -> no display -> part no (KN146)

I also came across to know that dell has extended the warranty for such laptops by one year. But is that enough? If toyota has failing brakes in its car can it doaway by saying that it will support the failing brakes for a year and then onwards customer is on there own? I Would like to raise this concern and available of motherboard replacement at their cost, since the fault is there's.

Kindly suggest me how to go about solving my problem and how to approach consumer court. Also,
since i bought the device directly through dell wesbite can i file the complaint at my place of residence?

Thank you