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I recently changed my modem from an old Comcast-supplied modum because I kept losing my wifi signal. I upgraded to a Motorola/Arris SURFboard modem (SB6141). When the connection works, it works great. However, I cannot keep the signal. My WNDR3700v4 constantly drops the wifi signal and even the LAN doesn't work. There is something obviously wrong here.
When you bypass the router, will your connection be intermittent? I suggest that you direct connect your computer straight into your modem and observe the connection.
If everything else is working without any disconnection, adjust the MTU setting on your router. See this link for more info.
It worked for a couple of days but I have been unable to maintain a wireless connection for about 24 hours. I can get a wireless signal but I can't keep it for more than about an hour.
Hi ElaineM. Sorry it took so long to reply. Yes, I do. Currenty, I have an internet connection through the ethernet cable from the router, but it is not real stable. Currently, I cannot get a wireless signal even though all the lights on the router indicate that I should. My iphone and laptop can see the network, but cannot get internet connectivity.
@TimHerbert I would suggest to reset and reconfigure. Push the reset button the router for 10 seconds and wait for the power light to be stable.
Once stable, configure the router just like it's out of the box. If after resetting the direct connection to the router is not stable, try adjusting the MTU setting on the router. In order to do this, access the admin page of the router then under Advanced > Setup > WAN Setup set the MTU size to 1400. Once done, power cycle the devices then observe the connection.
As for the wireless settings, you should have the wireless settings back to default and be able to connect to it.
I now have an inoperable router. No internet connectivity what so ever. MTU set at 1400 - nothing. MTU set at 1500 (the optimal size according to the method recommended by Netgear support) - nothing.
I believe it is time for a new router. Not a Netgear, but one I can actually count on working.
@TimHerbert I apologize about that. Do you still have the proper lights turned on, on the router?
Make sure that you have IP addresses under Internet Port. Those IP addresses are the ones provided to you by your ISP once the router is configured correctly.
On the router admin page, under Internet Setup select "Use Computer MAC Address" and hit apply then check again if you have IP addresses under Internet Port.
