1.檢查帶寬佔用高的應用，通過任務管理器和設置查看並限制後臺數據使用；2.切換至較少擁堵的Wi-Fi頻道，登錄路由器更改頻道或使用5GHz頻段；3.更新或重置網絡驅動，通過設備管理器更新驅動或執(zhí)行網絡重置；4.調整電源管理設置，禁用省電功能以提升性能。針對Windows 11 Wi-Fi緩慢問題，可通過排查後臺應用、優(yōu)化信號干擾、更新驅動及調整電源設置逐步解決。

Wi-Fi feels sluggish on your Windows 11 machine? It's a common issue, and more often than not, it's not just about your internet plan. A few tweaks and checks can make a noticeable difference.

Check for Network Bandwidth Hogs

Sometimes the slowdown isn't about your connection itself — it's what's running on your network. Background apps like updates, cloud sync services (like OneDrive or Google Drive), or someone streaming video in the house can eat up bandwidth without you realizing.

• Open Task Manager ( Ctrl Shift Esc )
• Go to the Performance tab
• Click on Wi-Fi or Ethernet , then check the Network Utilization graph

If you see spikes when you're not actively using the PC, something is running in the background. You can dig deeper into which apps are using data via:

• Settings > Network & Internet > Data Usage
• Scroll down and look for apps using a lot of data

Limit or pause those if they're not essential.

Switch to a Less Crowded Wi-Fi Channel

Most routers default to channel 6 on the 2.4GHz band, which gets congested easily — especially in apartments or densely populated areas. Switching to a less crowded channel can improve performance.

You'll need to log into your router's settings page (usually accessible through a browser at an address like 192.168.0.1 or 192.168.1.1 ). Once in:

• Find the Wireless Settings
• Look for Channel Selection under the 2.4GHz or 5GHz band
• Change the channel manually to one with less traffic

Use tools like Wi-Fi Analyzer (on Android) or built-in diagnostics in some laptops to see which channels are busy in your area.

Also, if your router supports dual-band (2.4GHz and 5GHz), connect to the 5GHz band if possible — it's faster and usually less crowded.

Update or Reset Network Drivers

Outdated or corrupted drivers can definitely cause connectivity issues. Windows 11 usually keeps things updated automatically, but sometimes it misses something.

To manually update your Wi-Fi driver:

• Press Win X , select Device Manager
• Expand Network Adapters
• Right-click your wireless adapter and choose Update driver

Alternatively, you can go to the manufacturer's website (Intel, Realtek, Qualcomm, etc.) and download the latest version directly.

If that doesn't help, try resetting the network stack:

• Go to Settings > Network & Internet > Advanced Network Settings > Network Reset
• Click "Reset Now" — this will reset all network adapters, Wi-Fi profiles, and related settings to default, so be prepared to reconnect to networks again.

Tweak Power Management Settings

Some power-saving features in Windows can throttle your Wi-Fi adapter to save energy. If you're plugged in (especially on a desktop or laptop at your desk), this can hurt speed unnecessarily.

To disable this:

• In Device Manager , right-click your Wi-Fi adapter and select Properties
• Go to the Power Management tab
• Uncheck "Allow the computer to turn off this device to save power"

This way, your adapter stays active and performs better when you're not on battery.

Fixing slow Wi-Fi on Windows 11 usually involves checking where the bottleneck is — whether it's background usage, signal interference, outdated drivers, or power settings. Most fixes are straightforward and don't require advanced tech knowledge. Basically, start from the easiest steps and work your way up if needed.

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