Windows 10: PC connected to internet via Ethernet cable but won’t work

Yesterday I was crashing at random times while gaming and for multiple different games. Today my pc just doesn’t want me to use my internet. I ran a diagnostics and it read “ ‘Ethernet’ doesn’t have a valid IP configuration “ I searched for subreddits about it, ran a few cmd prompts, checked a few network settings, and even uninstalled my antivirus but nothing helped and now I’m confused and can’t find the source of the problem. Any help or ideas are appreciated because I’m not the brightest with network settings :/

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:)

 

No internet after connecting Home AV system Ethernet cable

Dell XPS8900 Desktop System works fine, then I connect the Ethernet from the PC to the new Home HiFi AV system (via Sonos S-Connect) After that I get no access to the internet. If I disconnect the Ethernet cable (and reboot?) I get internet again. If I
connect the Ethernet cable after first establishing access to the internet, I get internet AND control of the Home HiFi AV system until the PC goes to sleep or is turned off, then no internet again. Any suggestions please. Regards

 

Cannot connect to Internet via direct Ethernet cable connection.

Hello. Have had this PC for about a year now. Came as Win7, updated to Win10 shortly thereafter. It is incapable of connecting to Internet wirelessly, so I connected it to modem directly through Ethernet cable. Have never had any problems whatsoever with
connectivity to the Internet.

All of the sudden, as of about last week, I would start up my PC and it would be disconnected from the Internet. It cannot detect any sort of Internet connections despite being directly connected to the modem. Even wirelessly connected devices in my home
like smartphones and tablets were unaffected by whatever ails my PC/Ethernet cable/etc.. I had:

• Restarted PC
• Unplugged and replugged in modem after 30 seconds
• Uninstalled drivers
• Checked for driver updates (of which there were none)
• Switched Ethernet ports
• Switched Ethernet cables
• Turned off firewalls and other malware-detecting programs
• Reset network devices
• ...and a host of other troubleshooting tips I have now forgotten

None of these worked, but after 10-20 minutes, the Internet returned to normal. It has just happened again, and I did not retry any of the aforementioned actions, and, once again, it returned after 10-20 minutes.

It may seem to be a very trivial problem if the Internet ultimately comes back, but this effectively means my PC's startup time is extended to about 20 minutes, and this proves to be extremely inconvenient when I need to access the Internet.

Please offer any suggestions you think would solve this problem. Whatever system specifications are needed I will provide.

 

WIFI Works, Ethernet won't

Fart

Brandon,

I don't know what I mean. YES ON WIF i can connect to the internet, but you cannot connect to anthing plugged into the same WIFI ROUTER with CAT5 Cable ethernet. My MacBook Pro has WIFI and ehternet, ethernet wont work, but wifi will. My Dell does not have wifi, and I cannot connect to the network or internet at all. As I mentioned, I changed the WIFI Router about a week ago, problem solved, for 3-4 days, now ethernet to the new router does not work again.