Hi,
I understand that you have an issue with your connection. It often disconnected, and the connection was slow. Several possibilities can cause this.
Please follow the steps below. If these steps do not help, proceed to the next step.
*Can you check if your windows and driver are updated? There is a possibility that you had this issue due to the system not being updated.
- Start > Settings > Update & Security > Windows Update, and then select Check for updates.
*Run an anti-virus and see if there is Malware on your device
*Enable WWAN and WLAN services.
- Press Win key + R > type in services.msc > click OK > Look for WLAN Autoconfig and WWAN Autoconfig > Right-Click Properties and set it to automatic (If it's already set to automatic, right-click, then click sto,p then start it again) > Restart PC and check.
*If the issue persists, run the following command in Command Prompt (Admin). Follow the steps below to do so.
- Press Windows Key + X.
- Click on Command Prompt (Admin).
- Type the following commands, and hit Enter after each command:
netsh int tcp set heuristics disabled
netsh int tcp set global autotuninglevel=disabled
netsh int tcp set global rss=enabled
netsh winsock reset and press Enter
netsh int ip reset and press Enter
ipconfig /release and press Enter
ipconfig /renew and press Enter
ipconfig /flushdns and press Enter
- After all has been processed, restart your device
*Perform sfc and run the DISM command.
- Use the System File Checker tool to repair missing or corrupted system files
- After all has been processed, restart your device
*Please perform a clean boot.
*Please try to update or reinstall your network adapter. Please follow the first answer on the thread below.
*Fix problems using Windows Update:
*Repair Upgrade for Windows 10:
If you require further assistance, please don't hesitate to let me know.
Stay Safe!