New
#11
no network access
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New #12
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New #13
That modem should be working for you. Maybe you need to try a power down to get that onboard NIC working again.
Try powering down the machine, switch off the power supply then unplug the power cord from the power supply, wait a few minutes then plug back in, hit the power switch if you have one and start up and see if anything changes.
I have also seen clearing the cmos bring back those eithernet connections.
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New #14
Also
also in internet explorer go to tools and make sure work offline did not get selected i see this happen all the time when you unsuccessfully try to connect repeated times easy to overlook this
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New #15
According to the Arris web site, that model of modem can be restricted by the ISP to disallow multiple devices. The only way to do that is by mac address. He should contact his ISP about it.
Typically what I've seen is the modem has learned the mac and needs to be cleared. In my case doing a power cycle didn't work. Turned out the modem had a backup battery. Certain models of this modem also have battery backup. The cover is on the edge of the modem as you look at the rear and the release tab is towards the front.
I've seen this exact same issue before with cable modems. It varies from ISP to ISP though. Either way it at least warrants a call to his ISP to make sure.
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New #16
RedBirdDad
good advice RedBirdDad
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New #17
I can't find any battery cover, or anything that could be opened... only if you unscrew 2 screws at the bottom (whole modem bottom cover). I also think this isn't the problem... becouse Cable guy pluged his laptop on this modem (he had also win7 installed) and his internet worked fine. I'm running out of options
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New #18
Setup Network
have you went through the steps to connect to a network in network and sharing and setup homegroup also make sure network discovery is turned on
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New #19
Ok, this one doesn't have a battery.I can't find any battery cover, or anything that could be opened... only if you unscrew 2 screws at the bottom (whole modem bottom cover). I also think this isn't the problem... becouse Cable guy pluged his laptop on this modem (he had also win7 installed) and his internet worked fine. I'm running out of options
Before you give up, just try a call to the ISP just in case. They may just have some info on this kind of a problem.
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New #20
Maybe the Op needs to reset his MAC address. Lots of problems with MAC addresses and Window 7 for some reason. You can use the software in the link below for this, it has a good tutorial also.
Mac MakeUp - MAC Address spoofing tool
Or you can try to do it in the NIC settings or the registry. The TechNet link below covers most of the ways you can do this. How to change a MAC address on Windows 7
Follow this steps:
Network and Sharing Center > Change adapter settings > right click on adapter name, then Properties > Configure > Advanced tab > Network address> put some values in and it seems like starting with 12 works best for Windows 7 according to TechNet site.
It worked for this guy anyway and it's all I can think of.
Unidentified Network - No Internet Access
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