G580 Unidentified network after up grade Windows 8.1
My machine details:
Machine: G580
Model: 20150
OS: Windows 8
When I tried to connect Wi-Fi is not possible. In the internet graphic shows No internet access, all the problem appear once I installed Windows 8.1.
I turned off the modem but the problem continues
hi jimmyneutron,
Welcome to the Lenovo Forums.
Just to check, when it says "Connected - No Internet Access" can you open an elevated command prompt and type ipconfig /all and observe the TCP/IP IPV4 address
Wireless Network Connection:
DHCP Enabled .............. xxx (value should be Yes No)
DHCP Server .................. xxx.xxx.xxx.xxx
TCP/IP IPV4 Address ..... xxx.xxx.xxx.xxx (preferred)
Subnet Mask .................... xxx.xxx.xxx.xxx
Default Gateway .............. xxx.xxx.xxx.xxx
- If you get a valid IP address (192.xxx.xxx.xxx / 172.xxx.xxx.xxx / 10.xxx.xxx.xxx) then there's most likely a security software that's interfering with the internet connectivity. If you have a security software from your old Windows 8 installation (eg. Mcafee, Norton, AVG, etc.), try to uninstall it and observe.
- If you get a 169.254.xxx.xxx IP address then you're most likely getting a DHCP failover (APIPA). check this thread and try the script made by cbautis2 to refresh the winsock and TCP/IP configurations of the PC and observe. In addition, ensure that the DHCP Client service is running under services.msc.
- Link to picture
Let me know how it goes.
Regards
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Welcome to Lenovo Community Forums!
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Regards
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
Follow @LenovoForums on Twitter! -
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Okay, I've got a really strange problem. I haven't been able to find a solution online (well, I found a lot of "solutions" but none of them have worked so far), and the IT company I work with hasn't had a solution either. We're all completely baffled.
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Disabling/Re-enabling the network connection
3 different Ethernet cables (including 2 that were pulled out of the back of other - Windows XP - computers that are functioning properly)
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Unplugging everything for about 3 hours and then trying again
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ROUTE DELETE 0.0.0.0
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sfc /scannow
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Please explain a bit about the following questions:
1. Do you means that when you run “ipconfig -all”, there are no IP address assigned to these two computer or we got 169.xx.xx.xx IP?
2. Do you use the DHCP server to assign the IP address?
If you use the DHCP server, please contact the IT system admin to check if we need to add the MAC address to the allow list.
For more information about allow list, please refer to the following blog.
http://blogs.technet.com/b/teamdhcp/archive/2012/09/15/scope-level-link-layer-filtering-using-dhcp-policies-in-windows-server-2012.aspx
Best regards,
Fangzhou CHEN
Fangzhou CHEN
TechNet Community Support -
I updated my notebook to windows 8.1 then my internet is not working any more on the notebook .. ichecked my router and found it working well without any problems and working on other pc's .. and i found a message in hp support assistant that after the update to windows 8.1 imay face some problems such as losing internet connectivity and i dont know how to rework it again .. Any help please .. thanks
Hi @yehia741 ,
Welcome to the HP Support Community! I hope you enjoy your experience with us.
I saw your post regarding the problems with your wireless connection after upgrading to Windows 8.1. I will be happy to help you solve this. Let me start by getting some additional information from you; What is your product number? What do you have listed in your Device Manager under Network Adapters?
You can also try the troubleshooting steps listed in this HP document Troubleshooting Wireless Network and Internet, which includes using the built-in Windows Troubleshooter.
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP
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