[SOLVED] Shared Internet connection stopped working.

phsopher · 10-26-2009, 07:40 AM

Basically I have two laptops that used to share an Internet connection over WLAN. Two days ago, I unplugged the LAN cable from the fist laptop and plugged it into the second in order to surf while I was running a virus scan on the first one. When I switched them back, the second laptop refused to share the internet connection again. It works the other way around though, I can share the connection from the second laptop to the first but not from the first to the second. I'm doing exactly the same thing in both cases. Any help would be much appreciated.

steveb1234 · 10-26-2009, 07:58 AM

Are you using a wieless modem or a router. If you are using windows ICS then if you swap the computers round then you will need to set up ics on the primary computer and configure the second again. I would recommend getting a wifi router as the computers can be swapped from wifi to cable without problems.

phsopher · 10-26-2009, 09:28 AM

I'm using the in-built wireless cards on both laptops. I've tried reconfiguring the ICS but it doesn't help. I've tried both with fixed IPs and by making the "leech" laptop get the IP automatically. I don't really need a router because I don't swap the computers often (this was the first time in months) and it used to work just fine until two days ago.

steveb1234 · 10-27-2009, 08:29 AM

What kind of wireless modem do you have?

phsopher · 10-27-2009, 08:53 AM

1st laptop: Broadcom 802.11
2nd laptop: Atheros AR5007EG

**johnwill** · 10-27-2009, 09:03 AM

What is the exact make/model of the modem that connects to your ISP?

phsopher · 10-27-2009, 10:05 AM

Siemens SpeedStream 4100, though I don't see how that's relevant. Like I said, it woks one way but not the other and both laptops have no problem with getting the connection over the cable. It's when I try to share the cable internet connection wirelessly with another computer that I run into problems and even then only one way.

phsopher · 10-27-2009, 05:28 PM

Never mind, I got it working with System Restore. Thanks.

steveb1234 · 10-28-2009, 10:18 AM

please mark our thread as solved

**johnwill** · 10-28-2009, 02:58 PM

You can mark your own threads solved using the Thread Tools above.

10-26-2009, 07:40 AM	#1 (permalink)
phsopher Registered User Join Date: Oct 2009 Posts: 5 OS: Windows XP SP3	[SOLVED] Shared Internet connection stopped working. Basically I have two laptops that used to share an Internet connection over WLAN. Two days ago, I unplugged the LAN cable from the fist laptop and plugged it into the second in order to surf while I was running a virus scan on the first one. When I switched them back, the second laptop refused to share the internet connection again. It works the other way around though, I can share the connection from the second laptop to the first but not from the first to the second. I'm doing exactly the same thing in both cases. Any help would be much appreciated.

10-26-2009, 07:58 AM	#2 (permalink)
steveb1234 Registered User Join Date: May 2009 Posts: 374 OS: xp, windows 7	Re: Shared Internet connection stopped working. Are you using a wieless modem or a router. If you are using windows ICS then if you swap the computers round then you will need to set up ics on the primary computer and configure the second again. I would recommend getting a wifi router as the computers can be swapped from wifi to cable without problems.

10-26-2009, 09:28 AM	#3 (permalink)
phsopher Registered User Join Date: Oct 2009 Posts: 5 OS: Windows XP SP3	Re: Shared Internet connection stopped working. I'm using the in-built wireless cards on both laptops. I've tried reconfiguring the ICS but it doesn't help. I've tried both with fixed IPs and by making the "leech" laptop get the IP automatically. I don't really need a router because I don't swap the computers often (this was the first time in months) and it used to work just fine until two days ago.

10-27-2009, 08:29 AM	#4 (permalink)
steveb1234 Registered User Join Date: May 2009 Posts: 374 OS: xp, windows 7	Re: Shared Internet connection stopped working. What kind of wireless modem do you have?

10-27-2009, 08:53 AM	#5 (permalink)
phsopher Registered User Join Date: Oct 2009 Posts: 5 OS: Windows XP SP3	Re: Shared Internet connection stopped working. 1st laptop: Broadcom 802.11 2nd laptop: Atheros AR5007EG

10-27-2009, 09:03 AM	#6 (permalink)
johnwill Manager, Networking Forums Join Date: Sep 2002 Location: S.E. Pennsylvania, US Posts: 41,832 OS: Windows 7, XP-Pro, Vista, Linux Blog Entries: 1	Re: Shared Internet connection stopped working. What is the exact make/model of the modem that connects to your ISP? __________________ If TSF has helped you, Tell us about it! or Donate to help keep the site up! Microsoft MVP - Windows Desktop Experience

10-27-2009, 10:05 AM	#7 (permalink)
phsopher Registered User Join Date: Oct 2009 Posts: 5 OS: Windows XP SP3	Re: Shared Internet connection stopped working. Siemens SpeedStream 4100, though I don't see how that's relevant. Like I said, it woks one way but not the other and both laptops have no problem with getting the connection over the cable. It's when I try to share the cable internet connection wirelessly with another computer that I run into problems and even then only one way.

10-27-2009, 05:28 PM	#8 (permalink)
phsopher Registered User Join Date: Oct 2009 Posts: 5 OS: Windows XP SP3	Re: Shared Internet connection stopped working. Never mind, I got it working with System Restore. Thanks.

10-28-2009, 10:18 AM	#9 (permalink)
steveb1234 Registered User Join Date: May 2009 Posts: 374 OS: xp, windows 7	Re: Shared Internet connection stopped working. please mark our thread as solved

10-28-2009, 02:58 PM	#10 (permalink)
johnwill Manager, Networking Forums Join Date: Sep 2002 Location: S.E. Pennsylvania, US Posts: 41,832 OS: Windows 7, XP-Pro, Vista, Linux Blog Entries: 1	Re: [SOLVED] Shared Internet connection stopped working. You can mark your own threads solved using the Thread Tools above. __________________ If TSF has helped you, Tell us about it! or Donate to help keep the site up! Microsoft MVP - Windows Desktop Experience