BROADBAND SPEED FLUCTUATES WILDLY: My broadband speed fluctuates wildly from 1Mbps to nearly 30Mbps. Most of the time it is just much, much slower than it should be. This causes problems, whether simply downloading or playing video games with friends over the internet (VERY frustrating). This has been going on for a couple of months. The cable provider can't detect any problems from their headquarters.
Pull out your owner's manual and read how to sign in to the administrator panel. Then go to the maintenance section and click on check for firmware upgrades.
SOURCE: My connection fall
Please describe the leds in front of the modem which led lights or blinking ?
SOURCE: RCA DCW615R WIRELESS Cable Gateway , Factroy Installed Firmware needed.
I had the same issue with my RCA DCW615R. First time my ISP Comcast flashed it back to the old version. This time I could not find anyone who new how to do that. I used to have the software and I have searched the net. Seems they provider RCA does not have it.
This time I called Comcast because I noticed that the 192.168.0.1 brought me to their software update. They supplied me with the user name and password. I was able to get into the firmware and change all the settings using the new firmware. I think the only reason they gave it to me is because my printer is a network printer and it would not work unless I could access the firmware.
The old 192.168.100.1 does not work anymore because that was Cable Modem mode or CM mode. The new address 192.168.0.1 does work but you will need the user name and password from your ISP, this is RG mode or residential gateway mode.
Liked the old firmware better but they both do the same thing. Seems the Gateway works better with the new update. Still I would like to find the old firmware not sure why RCA doesn’t have it.
SOURCE: trouble connecting netgear wireless router to rca modem DCM425
First try connection the Yellow ethernet cable from the rca modem to your computer's network connection. If you get a connection this way, then your modem will work with a ethernet cable. If not, then call Comcast for help. The modem ethernet out to computer port must be connected to the wan line of the router. Then you can connect an ethernet cable from your computer network connection to one of the 4 ports of the router. For wireless connections you must set up the router and wireless adaptor with the same settings to connect. Follow the routers directions.
Good Luck
SOURCE: i lost the disk for the RCA DCM425 digital cable
Hello Friend,
If you didn't change anything in modem side, that means the modem is still connected to internet. in this case you can connect the modem to your computer via the Ethernet cable. with this cable you will not need to install anything on your computer, just plug the Ethernet cable to the RJ45 port and start browsing internet.
The only case when you will need the drivers is when you want to connect the modem to your PC via USB cable.
Here is a link where you can find everything about your modem: quick guide, user manual, usb drivers ...
Best Regards,
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