Have a Dell E1505 with a 3945ABG and had problems with wifi after resuming from sleep, it kept giving message 'Cant connect to this network' that could be resolved only by rebooting. Also had a flood (15000) of error 5010 from the Microsoft hardware driver for the device, and I've been upgraded from Win 7 for perhaps 12 hours. Solved all of this by replacing the Microsoft driver with an Intel Windows 7 driver from Intel at The install shows a graphic then ends, but it does replace the driver. Use either the 15.3.1 Ds32 or 64 based upon your system mode.
This download provides Intel(R) PRO/Wireless 3945ABG Network Connection driver and is supported on Packard Bell BV EasyNote SB87 that is designed to run on Windows Operating System Only.
BTW the Windows 8.1 driver is mentioned as being available 'only in the box' and they have nothing for this device and Windows 10. In my case only the unique drivers that work are the version 12.1.0.14 of Intel, but still is not working 100%, since whenever suspend the pc when I switch back on I have to manually reset the card to go back to work again. And that if I am not mistaken the version 15.3.1 is the version that Microsoft installs by default and the card is installed correctly but does not receive any signal. My laptop is: HP Pavilion 9790ep and I know it's already a bit old, but there except wifi card, everything is working well. For me setting the device as follows eliminates 99+% of the connection issues at the expense of keeping power on the card during sleep. I got this from Microsoft. Cursor over left lower window icon, then right click or Window key +x.
Click Device Manager 3. Expand Network Adapters 4.
Highlight 3945abg device then right click 5. Left Click Properties, then left click Power Managment 6. Uncheck 'Allow computer to turn off power to this device to save power' 7 click OK Currently using this on my Dell E1505 until the recently purchased USB Wifi adapter with wireless N and AC is delivered. Tired of wasting my time and effort with the 3945abg. It is a good tip but I also had experienced it but it's the same thing. Don't understand what is meant by 'it's the same thing'.
Using the Satechi mini USB wifi adapter with Windows 10, allowing Windows to power device down, Windows 10 Realtek drivers, with only a very occasional connection issue at start up or waking from sleep. It's definitely less sensitive than the 3945ABG, but I get much faster and noticable real world speeds with my home router based upon tests run with bandwidthplace.com and the now usable wireless N. The 3945abg was disabled in device manager. It means that with or without this option on or off, is the same thing and it makes no difference. And speed is not of great importance since where I use the card will only up to 54Mbps so the speed of the card is enough. And use a USB card is not an option since my laptop has a few USB ports. And I need a solution to the problem and not a way to avoid.
Anyway thanks. However I would like a Microsoft word since everything runs on Windows 7, 8, 8.1 without any problem and they say we run these versions also run on Windows 10.
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