I owned my Lenovo 3000 N100 laptop in September 2006.Till now,it has been 2 years and 3 months.I never did any cleanup work during the years.So I thought there should be full of dusk inside.Is that real?Let’s check it out:

There are mainly three parts of modules on the back and I opened them one by one.
Here it contains a fan which releases the heat from the whole body of machine.Do you see the metallic heat pipe?The processor is just under it.

Originally there was only 1G RAM installed.But as previously it was running Windows Vista.Obviously it raised a bottleneck so that I bought another 1G RAM in order to give out an optimum performance of the system.
The 2.5 inch hard disk and WIFI module are put into the same unit.The SATA hard disk was made by Hitachi.I’m considering to buy a new one with a greater disk size as currently this one only has 80G.
In fact I didn’t do much on clean-up because it still could be considered as tidy.How miraculous it is!
All right!Could anyone tell me which brand/model of hard disk could work with low heat and high performance?Thanks a lot.
P.S:I feel that Lenovo has a much solid quality compared to HP.