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Melody Scott
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My laptop goes offline, but others in same office don't

hi- every now and again, my laptop stops accessing the internet. My husband is on the same router and it never happens to him. I'm using an ethernet cord and he is wireless. If I connect wirelessly, I still can't get to the internet.

Rebooting my laptop doesn't work. I tried to do a ipconfig /renew, and that didn't work either, it says the media is disconnected. I replaced my ethernet cord and that didn't help.

The only thing that works is rebooting the modem.

Here's what I get from Ipconfig when the computer won't connect:

C:\Users\Mel>ipconfig

Windows IP Configuration


Wireless LAN adapter Wireless Network Connection 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Ethernet adapter Local Area Connection 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . :
   Link-local IPv6 Address . . . . . : fe80::5c4b:e300:340a:7a0e%12
   IPv4 Address. . . . . . . . . . . : 192.168.1.67
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.254

Wireless LAN adapter Wireless Network Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Tunnel adapter isatap.{0EE7B629-0171-4C54-B76D-DA8D022CAB4E}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Tunnel adapter Local Area Connection* 11:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Tunnel adapter isatap.{697DBAC7-4B93-4F9E-8FF7-96F549F43E4D}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Tunnel adapter Teredo Tunneling Pseudo-Interface:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Tunnel adapter isatap.{C75F073B-D7D3-42CD-9144-005AA8B18361}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Tunnel adapter isatap.lan:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

C:\Users\Mel>

I have a Dell Inspiron N7010, with Windows 7 Home Premium, 64 bit. My Modem is Technicolor TG582n, fairly new since we had it replaced about two months ago. This only started happening after the modem was replaced. When the internet goes down, I can still connect to the modem.

Any idea why this might be happening? I have Mcafee, but could it be a virus?

Probably not related, but I also get an issue where my windows explorer stops operating. (not Internet Explorer, my taskbar freezes and I get an error message saying, "windows explorer is not responding.") I have to close it and start it again. This doesn't necessarily happen at the same time as the computer freeze-up, but I thought I would mention it.
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Melody Scott

8/22/2022 - Mon
DarinTCH

my wife had similar issue
I got her a second machine
(laptop and PC)
it does not happen with the PC with PRO....
so the other thing I did was update drivers and chipset
seemed to help...somewhat not entirely
also showed her how to disable NIC and enable it
this solves the issue 75% of the time
we still have the issue at least once a week that requires  modem reboot
IanTh

it could be a virus ?

when you say when it happens you can connect with the modem see if you can ping the dns server by fqdn or ip address and post the result here its a good test for dns that a virus can interfere with as I have seen fake entries in the local resolver ipconfig /displaydns
Member_2_6492660_1

Ok try this

ipconfig /all  >c:\ipconfig.txt    attach the file for my review.

Also the default gateway seems strange 192.168.1.254

Did you modify the new modem Today we call these devices Routers not modems.

Most routers come defined by default 191.168.1.1  

Is your network adapter setup to use DHCP or is it a Static Ip address?

if ipconfig /renew  fails you ae not finding a dhcp server

The router must be configured to run dhcp have you checked the router settings?

On the back of the router where your ethernet cable is pluggged into are the lights on?

Are the lights on on your network adapter in your computer?
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Melody Scott

ASKER
ipconfig /all  >c:\ipconfig.txt    attach the file for my review.>>will do when it happens again

Also the default gateway seems strange 192.168.1.254>>?? not sure what to say..that's the IP of the router: 192.168.1.254/

Did you modify the new modem Today we call these devices Routers not modems. >>no, not at all.

Most routers come defined by default 191.168.1.1  I connect via http://192.168.1.254/

Is your network adapter setup to use DHCP or is it a Static Ip address?>> DHCP

if ipconfig /renew  fails you ae not finding a dhcp serverOk..

The router must be configured to run dhcp have you checked the router settings? >>Yes, DHCP, as I say at the same time I can't get out, my husband on the same router has no issues.

On the back of the router where your ethernet cable is pluggged into are the lights on? Yes.

Are the lights on on your network adapter in your computer?  Yes, all lights are on and my husband in the same office can see the internet.
Melody Scott

ASKER
when you say when it happens you can connect with the modem see if you can ping the dns server by fqdn or ip address and post the result here its a good test for dns that a virus can interfere with as I have seen fake entries in the local resolver ipconfig /displaydns

>>Will test this next time it happens, thanks.
Melody Scott

ASKER
DarinTCH, will try disabling/enabling NIC, thanks!
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DarinTCH

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Melody Scott

ASKER
Thanks, I agree that I did most of the basic troubleshooting. I should save all these conversations so when it goes down again I know what to try!
Melody Scott

ASKER
This is the only answer that makes any sense... it went down yesterday and I forget to disable and re-enable the NIC, but will try that next time. I'll continue working with the PC to try to solve the issue. Thanks.