Hi, I wasn't sure if this should go here or in the OS topic, I assume it was more network based. I have a Dell Inspiron 9400 laptop with Windows Vista Home Premium. It has a very strange intermittent problem. Basically sometimes when Windows starts up it doesn't detect any nearby wireless networks even when I am about 2 feet from the router/access point. The other thing it does is loose signal once connected, it'll have a 5 of 5 block rating (excellent), but once connected it drops to 3 blocks and only a good signal. Also it sometimes disconnects and loses the wireless signal. When it's working it usually detects anywhere between 4 and 5 different routers in the surrounding area. I have tried a friends cheap gateway laptop on my router and it connects perfectly. The installed network card is an Intel Pro/Wireless 3945ABG which came as standard with the laptop. Is this a known Vista issue or is it likely my wireless card is a faulty? I've checked it for a loose connection, both black and white wires are securely connected, and I also have the latest drivers. I have other devices both wired and wireless connected to my router, these being my PS3, Xbox 360, PC (not laptop) and occasionally my PSP, all these function perfectly. It can't be a router issue mind you since it does exactly the same thing when connected to the work access point. If anyone has seen anything like this before or has any suggestions before I get Dell to send me a new network card please let me know. Many thanks.