Computer loses internet every few days. Must reboot to restore

That's part of the Release/Renewal cycle. The ISP will do this usually once per day and obviously your's has been failing. I was trying to be sure the 10.50.0.1 was not part of the problem.

To recap: I believe you have
  • updated the Router Firmware
  • and the Ethernet Driver on the pc
Can you confirm BOTH of these?
 
jobeard said:
That's part of the Release/Renewal cycle. The ISP will do this usually once per day and obviously your's has been failing. I was trying to be sure the 10.50.0.1 was not part of the problem.

To recap: I believe you have
  • updated the Router Firmware
  • and the Ethernet Driver on the pc
Can you confirm BOTH of these?
Click to expand...

That is correct.
 
Well, I woke up Friday morning and had no wifi in my house.

When I had my PC connected directly to the modem, I had internet but nothing out of the router so I assumed my router died so I went out and bought a new router and the problem persisted.

I then went to my cable company and explained it to them and we discovered that my modem was 10 years old and would not be getting the updated speeds it should be getting anyway so I ponied up $80 and got a brand new modem.

The wifi problem STILL continued.

After calling Netgear support and talking to them on the phone for two hours they determined that the BRAND NEW router was bad so I went back to where I bought it and exchanged it for a new one.

Lo and behold I have my wifi back.

I thought that MAYBE the failing modem, old router or a combination of the two was the source of the loss of internet on my PC every other day so I crossed my fingers and hoped for the best.

Guess what... I was wrong. I just got home after a morning of running errands and I had no internet on my PC again. I rebooted it and all is well.

This is driving me insane.
 
Do you or anyone on your LAN game? Changing the MTU to 1492 might help.

To pinpoint the culprit to the modem vs the router,
  1. first run with only modem -> PC and see if the Ethernet wired connection is stable.
  2. then, if the Modem supports WiFi, connect Modem ...(wifi)-->PC and see it that's stable
  3. now try a wired Modem-->Router-->wired-->PC
  4. and finally Modem-->Router ...(wifi)-->PC
One of the modem vs router is NOT surviving the ISP Release/Renew protocol.
 
jobeard said:
Do you or anyone on your LAN game? Changing the MTU to 1492 might help.

To pinpoint the culprit to the modem vs the router,
  1. first run with only modem -> PC and see if the Ethernet wired connection is stable.
  2. then, if the Modem supports WiFi, connect Modem ...(wifi)-->PC and see it that's stable
  3. now try a wired Modem-->Router-->wired-->PC
  4. and finally Modem-->Router ...(wifi)-->PC
One of the modem vs router is NOT surviving the ISP Release/Renew protocol.
Click to expand...

No one in my house is a gamer. I will try these steps but it will take me a number of days. I'll report back when I'm done.
 
jobeard said:
Do you or anyone on your LAN game? Changing the MTU to 1492 might help.

To pinpoint the culprit to the modem vs the router,
  1. first run with only modem -> PC and see if the Ethernet wired connection is stable.
  2. then, if the Modem supports WiFi, connect Modem ...(wifi)-->PC and see it that's stable
  3. now try a wired Modem-->Router-->wired-->PC
  4. and finally Modem-->Router ...(wifi)-->PC
One of the modem vs router is NOT surviving the ISP Release/Renew protocol.
Click to expand...

1. I ran the PC with only the modem and it lost internet after 1 day.
2. My modem does not support WiFi
3. wired modem > router > wired > PC loses internet after a day
4. modem > router > PC via WiFi loses internet after a day
 
That test in that order tells you that the issue is in the modem. Everything attached to it gets impacted. The modem needs newer firmware
 
I will look into updating the firmware tomorrow, but this is a brand new modem. I am experiencing the same exact trouble with this modem as I was with the last one. I have a sneaking suspicion the trouble is with my PC.
 
Even the Newest hardware comes with OLD software - - think about it -- it's been in a box for X months and newer updates are almost ALWAYS available.
 
I cannot log into my modem to update the firmware. I have a TC4400-AM. Everything I find online says to login to the GUI via 192.168.100.1 and entering user name: user and password: password. Every attempt brings me back to the login. I factory reset the modem and I still cannot log in. I am at a complete loss here.
 
Last edited:
So I just got off the phone with my ISP and apparently they "Don't support" upgrading the firmware in their modems because they have to make sure their equipment is up to date with the firmware before they "push it out the back end". So I guess I am stuck rebooting my computer every day when I lose internet.
 
Reconnect like Modem ==(wired)==PC

in a CMD prompt window, IPCONFIG /ALL
look for the Gateway Address, eg
Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : socal.rr.com
Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
Physical Address. . . . . . . . . : xx-xx-xx-xx-xx-xx
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 192.168.0.5(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Saturday, October 20, 2018 3:33:32 PM
Lease Expires . . . . . . . . . . : Tuesday, November 26, 2154 10:08:11 PM
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DNS Servers . . . . . . . . . . . : 9.9.9.9
149.112.112.112
209.18.47.62
NetBIOS over Tcpip. . . . . . . . : Enabled​

The gateway is the Modem Router address to log in
 
If you can find an update for the TC4400-AM & login as shown, DO SO.

Other thought, it would IMO be quicker to Power OFF/ON the modem that recycle the PC
 
jobeard said:
Reconnect like Modem ==(wired)==PC

in a CMD prompt window, IPCONFIG /ALL
look for the Gateway Address, eg
Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : socal.rr.com
Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
Physical Address. . . . . . . . . : xx-xx-xx-xx-xx-xx
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 192.168.0.5(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Saturday, October 20, 2018 3:33:32 PM
Lease Expires . . . . . . . . . . : Tuesday, November 26, 2154 10:08:11 PM
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DNS Servers . . . . . . . . . . . : 9.9.9.9
149.112.112.112
209.18.47.62
NetBIOS over Tcpip. . . . . . . . : Enabled​

The gateway is the Modem Router address to log in
Click to expand...

I can't help but feel we're going in circles here. We did this before with the last modem and I'm getting the same results. My default gateway is 75.97.200.1 and it cannot be reached in a browser.
 
I certainly understand your feelings -- imagine how I feel having done this many times you+your-system can't make it work. It makes no sense an this point and a 2 pound hammer would be my tool of choice. I guess there's no other choice for an ISP so like you, I'm at an impasse, sorry.
 
The spec sheet for the TC4400-AM is attached - - it is a DOCSIS 3.0 cable modem.
ANY other brand name that has that specification is compatible with your ISP.

upload_2018-10-22_10-57-3.png
 
One more thought -- ASK the ISP to put the modem into BRIDGE MODE.

This makes the modem a simple transport, removes NAT from it and allows your Router to be in control of the ISP Connection.

You can tell the difference by looking at the Router's WAN settings and reading the IP address. A PUBLIC ip address IS NOT ONE OF:
  • 192.168.x.x
  • 176.16.x.x
  • 10.x.y.z
  • 169.254.x.x
those are all PRIVATE Lan addresses. If the router's wan side is one of the private addresses, then the modem is NOT in bridge mode.

WHY do you care? Because YOU have control of the router and can update its firmware and change settings as you wish. The ISP will still use DHCP to create your public address, but you don't care -- you've moved the control point for Release/Renew to your router where you have control.
 
I have no idea what any of that means and, judging from the people I already spoke to at my ISP, I'm not going to get any help from their side. They sounded about as knowledgeable as I am. Thank you for the help you have provided thus far. I guess I'll just deal with rebooting my pc every day.
 
ASK them "You've been helpful so far and I need a favor PLEASE? Set my modem into Bridge Mode".

Worst thing that can happen is a NO answer and because you're polite, you just may get some help!
 
It's been shown that the issue persists EVEN when the network is reduce to Modem--PC,
so it clearly is not the router itself.
 
Are you suggesting that the linksys router needs to be tested even though it is not in the current network layout?? WOW!
 
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