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Zyair b 3000 router blue light not working - Zyxel (ZYAIRB3000)

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I think your ZyAIR is not receiving power. so pls change the adapter of the devices

Posted on Jun 10, 2008


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How to reset zyair 4100 with factory defaults ? I have made a restauration of the configuration and now, I can't access it anymore !!!

In order to get your router back to the original settings, you must push in the reset button (usually on the back of the router) for somewhere between 10 and 30 seconds depending on the router. You may need a pin or something small to push in the button, because it can be recessed. Once you have reset the router, the username and password will be changed to the defaults, admin and password, respectively. One thing you must remember is that resetting the router will change all of the router settings back to the factory settings. This means you will lose all of the changes you made since you got the router. Make sure to write down any things you've changed, so you can change them back after the reset. Also, I recommend updating to the latest firmware after the reset.

There is a great article at Working with Windows Wireless Networks or There a great article at General Router Setup.
If you need more help post back!
Thumbs and testimonial are welcome!

Jan 20, 2011 | Zyxel ZyAIR G-4100 Wireless Router...

1 Answer

We have a Zyair B-3000 wireless network. With our older Notebooks (XP or Vista) the wireless communication is no problem but with newer computers I can't establish a wireless connection (e.g. HP Pavilion...

To trace the problem, I would first temporarily turn off security on the ZyAir B-3000 and see if you can connect with the iPad and the HP.

To do this login to the ZyAir. If you still have it set to factory settings you would login by clicking here: then type the password which is 1234. The find the wireless security screen and turn off WEP security. By the way, If you still have factory password, I would change that soon.

Here is the users manual with more details:

After turning off all security, try and connect from the two systems that cannot connect. If you can then the problem most likely has something to do with wireless security. Now with the security still off try and connect with the other 2. If all 4 can connect without security turned on it is probably a wireless security issue. You could try changing from WEP to WPA security and see if all 4 can connect. You do not want to run your wireless router without security so make sure you turn the security back on..

I say most likely it is security, because maybe there are some settings that might be blocking the iPad and HP from connecting. Maybe the router is set to only allow two connections, or is set to allow specifc MAC addresses of the two older computers. Look around the configuration firmware in the ZyAir and see if there are any settings that would limit how many can connect wirelessly, or limit specific systems to specific MAC addresses.

After spending too much time on this and it still doesn't work, then you might consider doing a factory reset. Beware that a factory reset will wipe out all the configuration on the ZyAir and you will have to reconfigure. Instructions to factory reset are in the users manual link above, but basically you hold the side RESET button for 10 seconds, it will restart and you don't touch it till it is done resetting. If you do decide to do the factory reset, then right after resetting and before setting up security on the ZyAir I would try and connect all 4 systems at once. If that works then configure the ZyAir with security.

Dec 20, 2010 | Zyxel ZyAIR B-3000 (C46104) Wireless...

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I have my zyair G-2000 wireless router connected to my home computer. Just bought a new laptop and want to use this router with it. How do I find the wep key for it to add to my laptop.

Connect a computer to a wired connection on the router. Point your browser at That should take you to the admin interface of the router. If that doesn't work, check the documentation that came with your router --- it will give you the correct aaa.bbb.ccc.ddd (ip address).

May 20, 2010 | Zyxel ZyAIR G-2000 Wireless Router

1 Answer

How do you set up WAP or other encryption

You can secure your Wireless Network from your ZyAIR Acces Point.

Login to the Access Point as follows (make sure that it is connected to the Computer):

1. Start the Web Browser like Internet Explorer or Firefor or Safari.

2. Type as the URL.

3. Type "1234" (default) as Password.

4. Go to the Wireless LAN Setup option.

5. Set the Wireless Network Password (either WEP or WPA type).


You may also refer the User Guide of the ZyAIR Acces Point page # from 40 to 60 for more information about this.

Good Luck!!!!!!!!!!!

Nov 11, 2009 | Zyxel ZyAIR B-3000 802.11b (ZAB3000)...

1 Answer

WEP key for ZyAir B-2000

go to the web page of the router default ip address is and user name is admin and password is 1234. after then go to the wireless option in that seciurty option is there in that u get the wep in that you can get the password you change it that's all

May 05, 2009 | Zyxel ZyAIR B-2000 Wireless Router

1 Answer

Configure new Zyair router

Hi Dflori,
Try this site,

Scroll down to your Zyair, it lists several, click on it, and pick program you wan to work with. Good luck!

Jan 06, 2008 | Computers & Internet

1 Answer

Zyxel Zyair B-220 802.11B Wireless Adapter

This will be happening because of a driver conflict. Uninstall all drivers to do with adapter, then re- install your Zyair software and then plug in your adapter, but force windows to look where you have downloaded the driver in other words not automatically install but manually when the option pops up. It may be you have to connect your adapter first then install drivers.

Dec 10, 2006 | Zyxel ZyAIR B-220 802.11b (91-005-020003)...

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