Wi-Fi drops after Windows 10 update? Try these 3 fixes

Your Wi-Fi keeps dropping after a Windows Update? You're not alone.

I know how infuriating it is when your Wi-Fi disconnects every few minutes, especially right after an update. I've seen this hit users on Windows 10 version 21H2 and 22H2 after the KB5023706 update in March 2023, but it can happen with any recent patch. Before you blame your router or ISP, try these three fixes. They're ordered by how long they take—start with the quick one and stop when your Wi-Fi stops cutting out.

Fix 1: The 30-second restart trick

This is stupidly simple but works more often than you'd think. I've fixed dozens of tickets with it.

1. Restart your PC normally. Yes, not shutdown and start—restart. Windows 10's Fast Startup can keep drivers in a broken state on shutdown.
2. If that fails, run the network troubleshooter: Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters > Network Adapter. Run it. It'll reset your network stack.
3. Still dropping? Press Win + X and choose Device Manager. Find your Wi-Fi adapter under Network adapters, right-click it, and choose Disable device. Wait 10 seconds, then right-click and Enable device.

This forces a driver reload and clears any glitch caused by the update. If your Wi-Fi stays stable, you're done. If not, move to Fix 2.

Fix 2: Roll back your Wi-Fi driver (5 minutes)

Windows Updates often replace your Wi-Fi driver with a newer, but buggy, version. I've seen Intel, Realtek, and Broadcom chipsets all suffer from this. Rolling back to the previous driver usually fixes it.

1. Open Device Manager again (Win + X > Device Manager).
2. Expand Network adapters, right-click your Wi-Fi adapter (look for words like Wireless, Wi-Fi, 802.11), and choose Properties.
3. Click the Driver tab. If the Roll Back Driver button is clickable, hit it. Confirm the prompt. Windows will install the previous driver.
4. Restart your PC.

But what if Roll Back is greyed out? That means Windows has already cleaned up the old driver. No worries—you can download an older driver manually from the manufacturer's site. I recommend avoiding the absolute latest driver. For Intel, version 22.200.3 is rock solid for most users. For Realtek, look for a version dated before the update that broke things.

Pro tip: When you install a driver, choose Custom install and uncheck any bloatware like Intel PROSet or Realtek audio manager. They're not needed and can cause conflicts.

Fix 3: Disable power management (15+ minutes, but worth it)

Windows 10 loves to turn off your Wi-Fi adapter to save power. This is the #1 cause of intermittent disconnects on laptops. The update might have re-enabled this setting.

1. Open Device Manager.
2. Right-click your Wi-Fi adapter > Properties > Power Management tab.
3. Uncheck Allow the computer to turn off this device to save power. Click OK.

But that's not all. Windows also hides a second power-saving setting in the advanced adapter properties. This is the one that trips people up.

1. In Device Manager, right-click your Wi-Fi adapter > Properties > Advanced tab.
2. Look for a property called Preferred Band or 802.11n mode or Wireless Mode. This varies by manufacturer. What you want to find is anything related to power saving or aggressive offload. For Intel adapters, set Power Saving Mode to Disabled. For Realtek adapters, set 802.11n Mode to Enabled but disable Auto Power Save Mode.

Still not working? You can also disable Fast Startup in Windows. This forces a full shutdown.

1. Go to Control Panel > Power Options > Choose what the power buttons do.
2. Click Change settings that are currently unavailable.
3. Uncheck Turn on fast startup (recommended).
4. Save changes and restart.

This alone has fixed stubborn Wi-Fi dropouts for many users. It adds about 5 seconds to boot time, but your Wi-Fi stays solid.

When none of these work

If you're still disconnecting after trying all three fixes, it's time to check your router. But I'd bet this is a driver or power management issue—I've seen it hundreds of times. The update didn't break your hardware, just the software talking to it. Roll back the driver and kill power saving. That's the real fix.

One last thing: if you're on a corporate network with Cisco AnyConnect or similar VPN, try disabling it temporarily. Some VPN clients mess with Wi-Fi after updates too.

Let me know in the comments if one of these fixed it for you. Happy stable surfing.