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.
Go to the device manager and click on the network controller needing drivers. Driver: real problem is make an installed driver work for this wireless wifi card.
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. 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 caseonlytheuniquedriversthat work arethe version12.1.0.14of28/08/2008Intel,but stillis not working100%, sincewheneversuspendthepc whenI switch back onI have tomanuallyreset thecardtogo back to work again...
and thatifI 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 9790epand Iknow it'salready abit old, but thereexceptwificard,everything is workingwell...
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.
1. Cursor over left lower window icon, then right click or Window key +x.
2. 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 tipbut Ialso hadexperienced itbut it's thesame thing...
It is a good tipbut Ialsohadexperienced itbut it's thesame 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 thatwith orwithout thisoptionon or off,isthe same thing andit makes no difference...
And speedis not of greatimportance sincewhere I usethe cardwill onlyup to54Mbpsso the speedof thecard isenough ... and use aUSBcardis not an optionsince mylaptop hasa fewUSBports... and Ineed a solutionto the problem and nota way toavoid... Anyway thanks...
HoweverIwould like aMicrosoftwordsince everythingruns on Windows 7, 8,8.1without any problemand they saywe runthese versionsalso runonWindows 10...
I'm doubtful Microsoft will do anything to correct the generic driver, but one never knows.
Connection speed is not real world speed. I pay for a 25mbs download connection. The 3945ABG shows a 54mbs connection using G mode, however the real speed measured by either http://www.bandwidthplace.com/ (Html5, no Flash) or http://www.speedtest.net (needs Flash) was 18mbs,
With the USB Satechi it was 25mbs on a 300mbs N connection
plugged into the Lan it was 25mbs
For $20, no more lock ups and faster real world speed was no brainer for me.
Should you locate a better 3945ABG driver, please post the link here.
November 15, 2012
Wireless_15.3.1_x32.exe
37.2 MB
Windows XP
Networking
24,341
Intel recommends that you obtain and use the software provided via your laptop manufacturer.
Hardware support is included only for the
Issue resolved in this release
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