Question about SMC Barricade 7004VWBR Wireless Router

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Intermitent signal strength

I have an SMC Barricade 7004VWBR Wireless Router and am experiencing oscillating signal strength including dropping of the signal all together. This has worked fine for a long time and the problem has just begun. I have reinstalled the firmware (same version that I already had) to no affect. is there anything that I can be doing or is my router kaput now?

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  • ebo2112 Jun 28, 2008

    Wow very similar problem here. I wondered in another post about power-supply issues, but only on the wireless side, now I see a solution below referencing the radio xmitters: Op-amps! (that's basically the power for the radio system and known to be finicky). And my router IS on a high shelf in a closed WORKSHOP of all things, in fact I just wiped a pile of sawdust off it earlier today! Yikes. Plus it is always on for the last three+ years.

    Guess I got my money worth since I paid $14 on a boxingday sale!

  • geep May 11, 2010

    My connection to my SMC has been working with my Acer portable for over a year but has stopped working properly recently (since I have installed a Wii at home actually but Nitendo techs told me that it's impossible that my problems can be related to that). My Acer wireless connection works at work and diffirent Hotspots. So there is definately something wrong with my SMC router but where to look?

    Here's what I have tried:

    • Disabled all security with broadcast of SSID (I don't like that but I tried)

    • changed channel from 6 to 1 to 11 to 9

    • tried with or without mac filtering

    • reset to factory default and retried the above

    Any idea beside buing a new router?



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It is not unusual for the radio transmitters to fail in wireless routers after a year or two of use, especially if they're used in a location with poor ventilation or dust buildup. "Kaput" is probably a good term for it, but it would be worth finding someone with another laptop to try connecting through your router...just to verify that it's really a problem in the router and not in the wireless adapter in your computer.

Posted on Jan 11, 2008


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Posted on Jan 02, 2017


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There are a few things thatcan cause you to lose wireless connection with your wireless router.1. Weak signal strength,check the signal strength on your wireless card. If it is weak move thewireless router away from brick or concrete walls and if possible locatethe wireless router higher up.2. Have you secured yourwireless router from people near your from unauthorized access? i.e. change thedefault password, setup encryption use WPA2 or WPA, change the default SSID,and turn off SSID broadcast, and for added protection, enable MAC addressfiltering which allows only the MAC address/es of your wireless card/s toconnect to your wireless router.3. You could be gettinginterference from electrical sources such as air conditioners, arc welders,washing machines etc. If so, the power supply to the wireless routers andcomputers etc should be connected to a surge protection power board, betterstill connect your computer equipment to an UPS (Uninterrupted PowerSupply). 4. Check the channels ofthe wireless routers and access points in your area and change the broadcastchannel on your wireless router to an unused channel or one that is currentlyused but has the weakest signal strength. This will minimize interferencewith your wireless router from other wireless routers and accesspoints in your area.

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I assume this is your wireless KEY
The user manual is here
you can choose the exact model from here
You should be able to see how to view or reset the wireless password.
Connect your PC to the Router with a LAN cable:- You will need to login to your router- you do this by typing a number into a web browser, Internet explorer, is best as some routers do not work with other browsers The way to log into the router is usually to use the IP address, thats a number which will be in the manual - Page 29 on the manual (33 on pdf screen) To access the Wireless Barricade’s management interface, enter the Wireless Barricade IP address in your Web browser Then click LOGIN. (By default, there is no password.) Goto the wireless section - secruity and you should be able to see the KEY - IF its all * - the you can type in a newone
I would also remove the wireless profile from your PC - to do this have a read of this link. Remove the wireless profiles from your PC

  • If this solutions solves you problem, please do not forget to rate my solution.
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hope this link below will solve your problem.


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