Hi FinnBrader,
Thanks for reaching out! I'm an Independent Advisor and a Microsoft user like you.
Try this steps to troubleshoot the issue.
Method 1: Disable Peer to Peer Update
- On your keyboard, press the Windows logo key and R at the same time, then type control update in the box and press Enter.
- Click Advanced options.
- Click Delivery Optimization(or Choose how updates are delivered depending on the build of your Windows 10).
- Turn the Allow downloads from other PCs(Or Update from more than one place) toggle Off.
- Check if the Windows 10 slow Internet issue has been fixed. If yes, then great! But if the problem persists, move on to Fix 2, below.
Method 2: Adjust the Internet Bandwidth Settings
- On your keyboard, press Ctrl, Shift and Esc at the same time to open Task Manager.
- Click File > Run new task.
- Copy & paste gpedit.msc into the box, tick the box before Create this task with administrative privileges and click OK.
- Under Computer Configuration, double-click on Administrative Templates > Network > QoS Packet Scheduler. Then double-click on Limit reservable bandwidth.
- Click the Enabled option and set Bandwidth limit (%) value to 0. Then click Apply > OK.
Method 3: Update your WiFi drivers
- In the search box on the taskbar, enter device manager, then select Device Manager.
- Select a category to see names of devices, then right-click (or press and hold) the
one you’d like to update.
- Select Search automatically for updated driver software.
- Select Update Driver.
- If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions.
Method 4: Disable Windows Auto-Tuning
- On your keyboard, press the Windows logo key and type cmd. Then right click on Command Prompt and click Run as administrator.
- Click Yes when prompted to confirm.
- Copy & paste netsh interface tcp show global into the window and press Enter. Then check if Receive Window Auto-Tuning Level is set to normal.
- If yes, you’ll have to copy & paste netsh int tcp set global autotuninglevel=disabled into the window and press Enter to disable it.
Method 5: Disable Large Send Offload
- On your keyboard, press the Windows logo key and R at the same time, then type devmgmt.msc into the box and press Enter.
- Double-click on Network adapters > your network adapter.
- Click the Advanced tab, then click Large Send Offload V2 (IPv4) and set the value to Disabled.
- Click Large Send Offload V2 (IPv6) and set the value to Disabled. Then click OK.
Hope it helps.
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