20 Most Recent D-Link DWL-121 802.11b (790069252556) Wireless Adapter Questions & Answers

I found the following information on this web page (thank you lincomatic for the write-up!) and updated the information.

"...the DWL-121 - which is not listed on D-Link's website. OmniMedia's support claims that it's a special model that only works w/ OmniFi products ... (yeah, sure, I believe that...) Is it possible to use it as a WiFi adapter for a Windows XP computer? The answer is yes... with the right driver and a tiny bit of tweaking...
D-Link doesn't provide drivers for the DWL-121, and doesn't even have any information about it on their website. When you plug it into a Windows computer, it comes up as an unknown device, manufactured by Inventec. The USB Vendor ID is 09AA, and the Product ID is 3642. Since Intersil's Prism chipset is one of the most popular, I took a guess that the DWL-121 must be Prism-based.
I went hunting for drivers on D-Link's site, and found that the driver for the DWL-122 - another USB WiFi adapter - is called PRISMUSB.sys. Good candidate. After modifying the INF to look for the correct VID/PID, I got the DWL-122 driver to install and it worked! I'm actually posting this article through the DWL-121 right now! Below is the installation procedure:

1. Download the DWL-122 driver from this page to your desktop.
   
2. unzip and open the folder.
   
3. Look for the file "NETPRISM.INF" and open it with Notepad.
4. Press CTRL-H and replace all instances of the string "VID_2001&PID_3700" with "VID_09AA&PID_3642" (copy&paste!)
   
5. If you're really anal, you can also replace "DWL-122" with "DWL-121," but this is entirely optional, since it only affects the name of the device as XP displays it.
6. Save the changed INF file and close Notepad.
   
7. Plug in the DWL-121 and when the Hardware Update Wizard comes up, select Install from a list or specific location.
8. On the next screen, select Don't search. I will choose the driver to install.
9. On the next screen, click the Have Disk button, and browser to the path of the modified INF file, e.g. "C:\Documents and Settings\[yourname]\Desktop\dwl122_driver_102\Drivers" and click Next
10. Follow the default prompts for the rest of the installation, and you're done!

If you have any more questions or something is not clear to you, just come back here and leave a comment - I'm happy to help.

D-Link for some reason does not provide a driver for the DWL 121. Options are buying another model or you can try this:



1) Download the DWL-122 driver from this page.
2) unzip it into a folder, say c:/tmp
3) open up c:/tmp/Drivers/WinXP/NETPRISM.INF in a text editor, such as Notepad.
4) Do a global replace of the string "VID_2001&PID_3700" with "VID_09AA&PID_3642"
5) If you're really anal, you can also replace "DWL-122" with "DWL-121," but this is entirely optional, since it only affects the name of the device as XP displays it.
6) plug in the DWL-121 and when the Hardware Update Wizard comes up, select Install from a list or specific location.
7) on the next screen, select Don't search. I will choose the driver to install.
8) on the next screen, click the Have Disk button, and enter the path to the modified INF file, e.g. c:/tmp/Drivers/WinXP and click Next

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I hope this will help you if it does do rate the answer
Thank you
regards
lalith

I am sure it is now toast and you cannot downgrade if the wrong firmware has been installed. I would ask D-Link.

https://www.youtube.com/watch?v=zKeXtyUMKjA Check out this video it might help you with your issue.

Please open router page and go to advanced just like in this emulator. http://support.dlink.com/emulators/wbr2310/adv_network.htm

try changing the channel number from auto to a channel number 2 or 3 higher than the lowest channel number.' do this by logging into the d-link dsl 2640

access violation in module Uimain.exe at address oo6F6AB6 read address 000002EC

Ethernet/USB Print Server it is for even windows 98 (OMG ) page 7 is setup. NO OS stated by you, at all. why:? page 3 is OS compat. after reset the default address is 192.168.0.10 5volt power pack is NOT OPTIONAL. 1998 what did you read the free manual yet. the last page shows printer compatibility list, does your match? where would you find a printer that old working now. crickets...??? my guess is 2003 year made. XP first release is that. one manual for it stamped 2003 so is 17 years old relic fodder for sure, recycle it is best. first hit https://eu.dlink.com/-/media/consumer_products/dp/dp-300u/datasheet/dp_300u_datasheet_en.pdf RTM ! no 17 year old printer works today, not really.

the manual is free , at dlink dot com you push the reset button for long time per manual 15sec (iirc) the release it and now all defaults are set. per the manual, google dir-655 manual. easy as pie if you just read the manual.

There's a reset button on the back of the router, it's a small button that you can press using a paper clip. Press it for 15 seconds to reset it.

Reset 1:
Press the reset button for 15 seconds at the back of the router while the router is on.

Reset 2:
Press the reset button for 15 seconds while the router is on after 15 seconds unplug the power cord while holding the reset button then count another 15 seconds and release the reset button. Then plug the power cord back in.

Reset 3:
Press the reset button for 15 seconds while the router is on after 15 seconds unplug the power cord while holding the reset button then count another 15 seconds and plug the power cord back in while the reset button is plugged in and count another 15 seconds release the reset button.

Hope this helps.

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go to dos prompt in a windows pc and type in ipconfig and press the enter key to find the default gateway address it might be 10.0.0.1 or 192.168.0.1 these are the most common. Type the ip address into internet browser to log into the gateway router. There will be an admin user name and admin password. It might be the default or it might be written hopefully on the router case/ try Username: cusadmin Password: password IP Address: 192.168.0.1 http://www.cleancss.com/router-default/SMC/SMC8014WG if you get into it look up wi fi security to find out the wep key or wpa key

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103 most popular error on DLink Modems and Routers.Error occurs when your computer or router is not able to find the internet connection. Reason behind settings of the modem or router. Try to use :

• "https" instead of "http" in the URLs.
• Check Firewall is not blocking your internet connections.
• Reset your modem or router.

For setting up and configure your router http://support.dlink.com/index.asp and D-Link Router Support for technical help.

Goto this link might help you out. https://www.google.com/search?q=How+to+change+WiFi+password%2C+D-link&rlz=1C1AVFC_enGB797GB798&oq=How+to+change++WiFi+password%2C+D-link&aqs=chrome..69i57j0l5.13266j0j9&sourceid=chrome&ie=UTF-8