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Repair usb wireless

I have 3com Usb model - 3crusb10075 , i need the help of how to check my device.

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If you right-click on My Computer -> Properties -> Adanced Tab -> Device Manager. If you don't already see your wireless adapter there, try clicking the plus sign next to Network Adapters. Right-click the wireless device, go to properties and you can check your device there.

Posted on Jan 28, 2008


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My win 7 os cannot recognized the crusb10075 3com adapter.

1. Don't plug your WLAN USB adapter until setup finish and reset the computer
2. Download XP driver from 3COM in below link... make sure to select the correct one depending on the serial number of your adapter (starting with 0100/0200/0300)

3. Double click and it will automatically unzip and may ask you again after unzip use recommend settings and click yes to use recommend settings and click yes to all to overwrite again the folder unzipped again but if didn't ask it is OK.
4. In the unzipped folder right click on the setup file and click properties then go to Compatibility tab. InCompatibility mode click "Run program in compatibility mode of" then chose Windows XP (Service Pack 2) and OK.
5. Click setup now and after installation finish restart your computer.
6. After reset plug you USB adapter and will take some time to install the driver.

Apr 20, 2011 | 3Com (3CRUSB10075) 802.11g/b Wireless...

1 Answer

Wont work on win7

This link is for the vista driver and it is confirmed to work in windows 7. Per the link on a forum im going to add below this.

Mar 08, 2011 | 3Com (3CRUSB10075) 802.11g/b Wireless...

1 Answer

Will Win 7 support the 3com 3crusb10075 drivers

No win7 will not recognize the xp drivers.... you need to download the latest drivers for win7 from the 3com support site...

Aug 10, 2010 | 3Com (3CRUSB10075) 802.11g/b Wireless...

1 Answer

Security for 3CRUSB10075 802.11g/b Wireless

I did not solve the problem. I chose an easier way. I just replaced the 3Com Wireless Adapter with a NetGear USB adapter for which I have security instructions.

Kind regards,

Oct 12, 2009 | 3Com (3CRUSB10075) 802.11g/b Wireless...

1 Answer

3COM Office Connect 3CRUSB10075

are you using windows xp? vista? 98?

I'll guess at xp.(and that you're using the windows software to connect)

Double click the wireless connection icon in the bottom right (the one that flickered when you're online.

Click 'view wireless connections'

click 'change the order of preferred networks'

Now select everything on the list and delete it apart from your own.

Now click 'advanced'

make sure 'automatically connect to non-prefurred networks' is NOT ticked.

Click close, then ok.

You should be ok now.



Feb 28, 2008 | 3Com (3CRUSB10075) 802.11g/b Wireless...

1 Answer


This is one of those Cuckoo! problems. Assuming you have enabled your wireless connections again, have you tried a system restore to a few days before you dissabled the connection to see if the settings as they should; revert back to before the problem. If all other devices work in usb ports can't be that, if the device works in another pc, can't be that, so it's back to the software driver or a usb controller problem, on your pc that cannot start the device.

Nov 03, 2006 | 3Com (3CRUSB10075) 802.11g/b Wireless...

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