This could well be due to IP address/IP stack problem which can be resolved by resetting the TCP/IP stack to it’s default value. TCP/IP is a protocol used in most of the computers (including Mac, Linux and Windows) and other network devices to make communication in LAN or WAN.
Use NetShell utility (netsh.exe) command to perform the task.
1) Open the command prompt as Administrator. Search ‘cmd’ and right click on cmd then select ‘Run as administrator’ as below.
2) Type following commands –
netsh winsock reset catalog (Reset WINSOCK entries to installation defaults)
netsh int ipv4 reset reset.log (Reset IPv4 TCP/IP stack to installation defaults)
3) Reboot the computer.
The Problem:
One of the above reset command removes all persistent static route entries from your Windows 10 computer.
In the main this will repair the system, though we may find ourselves in the situation where we have to add those static routes again by ‘route add’ command.
4) If you are still facing the issue and your Windows 10 or 8.1 can’t connect to internet and other local network resources, continue below steps.
The following few more netsh commands may fix the problem. Make sure you are entering below commands in command prompt which was opened as Administrator.
netsh int tcp set heuristics disabled
netsh int tcp set global autotuninglevel=disabled
netsh int tcp set global rss=enabled
These command are good commands to use to make your Windows 10 network faster.
5) If your wired network is fine, but you are having trouble in wireless network only, then you can change the power options and wake up the WiFi Adapter.
Right click on the WiFi adapter and select Properties.
Click on ‘Configure’.
On the ‘Power Management’ tab, uncheck the ‘Allow The Computer To Turn Off This Device To Save Power’ option.
This will prevent Windows 10 turning off the WiFi adapter when it goes to sleep or hibernation mode. Because when the laptop resumes from sleep, the WiFi adapter may not wake up and work properly. So, avoiding this feature may help in having proper wireless network connectivity in Windows 10.
6) 3rd party antivirus and personal firewall software such as BitDefender also can disturb the network connectivity in Windows 10/8.1. So, if none of the above solutions work for you and you have an dedicated Antivirus software with firewall enabled, you can uninstall it or find a way to allow internet connectivity and IP requests in the firewall settings. It might help.