Wireless Problem in windows 7 intel wifi link 5100agn

i bought a dv7 1270us laptop in january. everything was fine until the last 3 months i started having small problems in vista. it would take 10+ minutes to connect and the speed would go up and down. then i installed windows 7 and am either having problems with the card or driver but ive tried every driver i can find and nithing has worked.. the wireless drops randonly. when it drops it doesnt lose connection the signal drops all the way down to one bar and i get maybe 10Kbps of bandwith well it takes 2 minutes to load a page of this forum atleast. When it drops it also only drops for maybe 5-10 minutes or else it stays like that until i restart but resarting always fixes it tempoparily for 10 minutes or so. toaday i tried to disconnect and reconnect to my network. as soon as i cicked connect i got a blue screen it pointed torwards netw5v64.sys i have tried re installing the drivers multiple times and the problem isnt resolved. i have sent the laptop in twice in the last 2 months one for the blue ray drive and wireless problems i am having now. they sent it back with a new blue ray drive and a new antenna for my wireless saying the card was fina it was a driver and maybe a new antenna would help with connectivity. well they were wrong. i got it back and it started overheating to 90+ degrees celcius and wireless problems were still there even though they re-imaged the hard drive so all drivers should be perfect.so i sent it back again. now i just got it back and they cleaned the heatsink and completely ignored my wireless problems. the sheet that states the repairs that were done has a circle aroubd cleaned heatsink/fan and thats it n comments or anything. then to make the icing on the cake there is a 3 inch long fairly deep scrath on my laptop i take verygood care of all of my laptops so that i can sell them used for more than a scratched up one. i am very disappointed in hp and almost dont want to send it back and loose it for another week just to get it back without anything being done again i am almost certain they would re0image the hard drive again and send it back since they didnt even do that the second time. okay back on topic is there anything anyone has heard t fix this so i dont have to send it in again. any help is appreciated

Intel! They make processors and a variety of motherboard hardware, but they seem to have a devil of a time making decent drivers. Particularly with their wireless NICs. Lately I’ve noticed a number of errors springing from the Intel WiFi Link 5100/5300 AGN family of wireless adapters. They seem to cause random bluescreen errors on Windows Vista systems. Fortnuately, there is a viable workaround:
-Right click on Computer and select Manage.
-After Computer Management opens up, go to Device Manager.
-In Device Manager, expand the Network Adapters category.
-Right-click on “Intel (R) WiFi Link 5100 AGN” and select Properties.
-In Properties, go to the Power Management tab.
-Under the Power Management tab, make sure that “Allow the computer to turn off this device to save power” is unchecked.
Apparently, the driver for the WiFi Link 5100 can’t properly handle the device going to sleep, and pulls down the whole system. Hopefully Intel will fix this in future driver updates. Until then, this workaround will have to do.

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