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Windows 7 random wifi connection issues
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windows 7 installed - setup is:
Dell Inspiron 1521 laptop
AMD 64bit CPU
4gb Ram
500Gb drive
GIGABYTE Aircruiser N300 GN-WS30N-RH 802.11N b/g/n draft 2.0
Draytek Vigor 2820N router
Everything is setup OK - the problem is WIFI connectivity. Seems to be random connection, it will work OK for about 2-3 days, after reboots and sleep on and off. Then suddenly the W7 will claim not to be able to connect - it can see the router and connection, but everytime you hit "connect" it just returns with " unable to connect". Tried rebooting, running troubleshooter, removing connection and adding again, rebooting router(!) - but none work. I have Ubuntu installed on laptop as well - which connects everytime, even when W7 is claiming not to be able to, so I summise that the "network end of things" is OK, but W7 has decided to stop connecting. Very frustrating.
This also happened with a previous WIFI module installed, exactly the same problem, so it must be W7 issue. I have 2 Win XP, 1 Vista Ultimate laptop WIFI and 1 linux box all using the same router - no problems, even when my Dell is unable to connect.
Any help would be greatly appreciated, as I'm very close to going back to Vista, and giving up on W7. Which is a shame as W7 is very good otherwise.