SL440 Over Heat and Wireless disconnect

Hi
I have a problem with Thinkpad sl440. I get these types of problem not a single laptop but also any of them.
First problem is over heat I measured overheat of the HDD by crystal disk info After one or two hours left its temp goes to 50°c.
Second one is wireless Lan Disconnect after few hours later the wireless disconnect automatically and it also doesn't show any wifi signal in his range. But after restarting the wireless lan work again. After that it goes to disconnect again after few hours.
I hope this problem occurs from over heat from the motherboard..
Please give me a solution.

Hi have a look through this Link there may be something there that may help you
http://forumhelp.dyndns.info/wireless/wirelessmenu.html
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SL440 Over Heat and Wireless disconnect

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