WiFi Keeps Dropping on Windows 10/11 – Fix in 2 Steps

Your WiFi drops every few minutes, usually when the signal's good. The culprit is the power-saving feature killing the adapter. Here's how to kill it back.

You're sitting there, working, and suddenly your WiFi drops. Not the router—your laptop's WiFi icon shows a globe or a yellow triangle. This happens every 5–10 minutes, sometimes more often when you're not actively using the network (like during a long download or video call). The signal strength is fine—three or four bars—but Windows just decides to cut the connection for a split second.

I've seen this on Dell, HP, and Lenovo laptops running Windows 10 21H2 through Windows 11 23H2. The trigger is almost always the same: the OS puts the WiFi adapter to sleep to save battery, then wakes it back up. But the wake-up handshake fails, and you're disconnected. The router doesn't even blink—it's your machine's fault.

Root Cause in Plain English

Windows has a feature called power management for network adapters. By default, it allows the OS to turn off the WiFi card when it thinks you're not using it. The problem is Windows is bad at guessing. It sees a dip in traffic (like when a webpage finishes loading) and says "Time to nap!" Then it tries to wake the card, but the card didn't fully disconnect from the router. This creates a half-state where Windows thinks it's connected, but no data can pass through.

You'll see this most often on laptops that have Intel or Realtek WiFi chips. The Intel AC-7260 and Realtek RTL8821CE are notorious for this. It's not a driver bug—you can update drivers until you're blue in the face, and it won't change a thing. The real fix is to tell Windows to keep its hands off the adapter.

Fix #1: Disable Power Management on the WiFi Adapter

This is the one that works 90% of the time. Skip messing with router settings or changing DNS—that won't help here.

Press Windows Key + X and select Device Manager.
Expand Network adapters. You'll see something like "Intel(R) Dual Band Wireless-AC 7260" or "Realtek RTL8821CE Wireless LAN 802.11ac PCI-E NIC".
Right-click the WiFi adapter and select Properties.
Go to the Power Management tab.
Uncheck "Allow the computer to turn off this device to save power".
Click OK.
Reboot your computer.

That's it. This setting is per-adapter, so if you have both WiFi and Bluetooth, you can leave Bluetooth's setting alone—no need to touch it.

Fix #2: Change the Power Plan (If Fix #1 Didn't Stick)

Sometimes Windows re-enables that power management setting after a driver update or a Windows update. If you see the drops come back, check the box again. But also do this:

Open Control Panel > Power Options.
Click Change plan settings next to your active plan.
Click Change advanced power settings.
Scroll to Wireless Adapter Settings > Power Saving Mode.
Set both On battery and Plugged in to Maximum Performance.
Click Apply and OK.

What to Check If It Still Fails

If you've done both steps and the WiFi still drops, here's what I'd look at next:

Check for driver conflicts. Open Device Manager, click View > Show hidden devices. Look for ghost adapters under Network adapters. Delete any grayed-out WiFi adapters—those are leftover entries from old drivers causing conflicts.
Update the driver manually. Go to the chipset manufacturer's site (Intel or Realtek) and download the latest driver directly. Don't rely on Windows Update—it often pushes old generic drivers. For Intel, use their Driver & Support Assistant tool. For Realtek, check your laptop vendor's support page.
Disable Bluetooth. This sounds weird, but on some Intel chips (the 7260 especially), Bluetooth and WiFi share the same antenna. Bluetooth interference can trigger the drop. Turn off Bluetooth in Windows Settings and see if the drops stop.
Check for router channel congestion. Use a tool like WiFi Analyzer (free in Microsoft Store). If your router's on a crowded channel (like 6 or 11 in a busy apartment), switch to a less congested one via your router admin page. This isn't the typical cause of random drops, but it exacerbates the power management issue.
Last resort: disable the PCI Express link state power management. This is buried in the power plan options. Under PCI Express > Link State Power Management, set it to Off. This prevents the motherboard from cutting power to the WiFi card at the hardware level. Only do this if you're plugged in—it'll hit battery life on a laptop.

I've seen people replace their router, buy a new laptop, or reinstall Windows for this. Don't do any of that. The power management setting is the culprit nine times out of ten. Flip that checkbox, reboot, and you're done. If you're on a corporate laptop with locked-down settings, ask your IT team to push a GPO that disables power management for network adapters—it's a five-minute fix on their end.