Your Wi-Fi keeps dropping and you're sick of it. Video calls cutting out, downloads failing at 90%, pages refusing to load. Wi-Fi disconnects randomly on Windows is one of the most common complaints we see at Vivid Repairs, and the good news is it's almost never a hardware failure. Nine times out of ten it's a driver, a power setting, or a corrupted network stack. All fixable. Let's get into it.

TL;DR

Wi-Fi disconnects randomly on Windows is usually caused by power management turning off your adapter, a dodgy driver, or a corrupted TCP/IP stack. Disable power saving in Device Manager and Power Options first. If that doesn't hold, update your driver and run the netsh reset commands. Full network reset is the nuclear option if nothing else works.

⏳️ 13 min read ✅ 87% success rate 📅 Updated July 2026

Key Takeaways

Wi-Fi disconnects randomly on Windows is most often caused by power management, not a broken adapter.
Disabling power saving in both Device Manager and Power Options fixes the majority of cases.
Driver issues are the second most common cause. Update from the manufacturer's site, not just Windows Update.
The netsh winsock reset and TCP/IP reset commands repair a corrupted network stack without reinstalling Windows.
If other devices also drop on the same Wi-Fi, your router or ISP is the problem, not your PC.
A full network reset is a last resort. It wipes saved Wi-Fi passwords, so note yours down first.

At a Glance

Difficulty: Easy to Medium
Time Required: 15 to 30 mins
Success Rate: 87% of users fixed with Tier 1 or Tier 2 steps

What Causes Wi-Fi to Disconnect Randomly on Windows?

Before you start clicking through menus, it helps to know what you're actually dealing with. Random Wi-Fi drops on Windows don't usually have one single cause. They tend to come from a handful of overlapping issues, and the fix depends on which one is actually happening on your machine.

The most common culprit, by a wide margin, is Windows power management. Windows is designed to save battery by reducing power to the Wi-Fi adapter when it thinks you're idle. The problem is it sometimes does this too aggressively, cutting the connection mid-use. This is especially obvious if your Wi-Fi disconnects randomly on Windows when you're on battery, or after the screen has been idle for a few minutes.

Second on the list is a buggy or outdated Wi-Fi adapter driver. Windows Update doesn't always pull the latest driver from the manufacturer. It often installs a generic Microsoft-signed version that's stable enough for most things but falls apart under sustained load or after a Windows feature update. If your drops started after a Windows Update, this is almost certainly why.

Then there's a corrupted TCP/IP or Winsock stack. This one's less obvious because the Wi-Fi icon might still show as connected, but browsing fails or the connection drops every few minutes. The network stack can get mangled by VPN software, third-party firewalls, or a botched Windows update. The fix is a set of netsh commands that reset it cleanly, and we'll cover those in the advanced section.

Wi-Fi interference is worth mentioning too. The 2.4 GHz band is shared with microwaves, cordless phones, baby monitors, and every neighbour's router. If you're on a congested channel, you'll see intermittent drops that look like a Windows problem but are actually a radio frequency problem. And finally, router firmware bugs or ISP instability can cause drops that only affect certain devices or happen at specific times of day. The quick test here is simple: if your phone drops too, it's not Windows.

For a broader look at network issues that can affect your whole setup, our Windows network troubleshooting guide covers the full diagnostic process from the ground up.

Wi-Fi Disconnects Randomly Windows: Quick Fixes First

Start here. These take five minutes and fix a surprising number of cases. Don't skip them just because they seem too simple.

Restart Everything Easy

Restart Windows
Go to Start > Power > Restart. Not sleep. Not hibernate. A full restart clears driver state and temporary network faults.
Power-cycle your router
Turn it off at the wall, wait a full 30 seconds, then turn it back on. Give it 60 seconds to fully reconnect to your ISP before testing.
Reconnect and test
Reconnect to your Wi-Fi and browse for five minutes. If it holds, you're done. If it drops again, move to the next fix.

If the connection is stable after a restart and power-cycle, a temporary firmware or driver state was the cause. Keep an eye on it over the next day.

Forget and Reconnect to the Network Easy

Open Wi-Fi settings
Go to Settings > Network and Internet > Wi-Fi > Manage known networks.
Forget the network
Click your network name and hit Forget. This removes the saved profile including any corrupted credentials or old security settings.
Reconnect fresh
Click the Wi-Fi icon in the taskbar, select your network, enter your password, and reconnect. Test for stability.

Have your Wi-Fi password ready before you forget the network. It's usually printed on the back of your router if you haven't changed it.

Run the Windows Network Troubleshooter Easy

Open Troubleshooters
On Windows 11: Settings > System > Troubleshoot > Other troubleshooters. On Windows 10: Settings > Update and Security > Troubleshoot > Additional troubleshooters.
Run Network Adapter or Internet Connections
Click Run next to Network Adapter. Let it scan, apply any suggested fixes, and reboot if prompted.

The troubleshooter won't always find the root cause, but it does catch misconfigured adapter settings and DNS errors that aren't obvious from the surface.

Intermediate Wi-Fi Disconnects Randomly Windows Fixes

These are the fixes that solve the majority of cases we see. Power management in particular is responsible for a huge chunk of random Wi-Fi drops on Windows laptops. Don't skip this section even if the quick fixes didn't work.

Disable Wi-Fi Adapter Power Saving Easy

Open Device Manager
Press Win + X and click Device Manager. Expand the Network adapters section.
Open adapter properties
Right-click your Wi-Fi adapter (usually named something like Intel Wireless-AC 9560 or Realtek 8822CE) and choose Properties.
Disable power saving
Go to the Power Management tab. Uncheck the box that says 'Allow the computer to turn off this device to save power'. Click OK.
Reboot and test
Restart your PC and use it normally for 20 to 30 minutes. This fix alone resolves random drops for a large number of Windows laptops.

This setting is separate from the Power Options power plan setting. You need to change both. See Solution 5 below.

Set Wireless Adapter to Maximum Performance in Power Plan Easy

Open Power Options
Press Win + R, type control, press Enter, then open Power Options.
Access advanced settings
Next to your active power plan, click Change plan settings, then Change advanced power settings.
Find Wireless Adapter Settings
Scroll down and expand Wireless Adapter Settings, then expand Power Saving Mode.
Set to Maximum Performance
Change both On battery and Plugged in to Maximum Performance. Click Apply then OK.

Combined with Solution 4, this stops Windows from throttling your Wi-Fi adapter in any scenario, on battery or plugged in.

Update or Roll Back the Wi-Fi Driver Medium

Check your current driver version
In Device Manager, right-click your Wi-Fi adapter > Properties > Driver tab. Note the Driver Version and Driver Date.
Try automatic update first
Click Update Driver > Search automatically for drivers. If Windows finds something newer, install it and reboot.
Download from the manufacturer
For best results, go to your laptop manufacturer's support site (Dell, HP, Lenovo, ASUS, etc.) or your Wi-Fi adapter manufacturer's site (Intel, Realtek, Qualcomm) and download the latest driver manually. This is nearly always newer than what Windows Update offers.
Roll back if drops started after an update
If the disconnects began after a recent Windows Update, click Roll Back Driver on the Driver tab. If that option is greyed out, uninstall the driver entirely and reinstall the previous version you downloaded from the OEM site.

According to Microsoft's own Wi-Fi troubleshooting documentation, driver issues are one of the primary causes of persistent connection drops on Windows. Always check the OEM site, not just Windows Update.

Switch to a Stable Public DNS Easy

Open Network Connections
Press Win + R, type control, go to Network and Internet > Network and Sharing Center > Change adapter settings.
Open Wi-Fi adapter properties
Right-click your Wi-Fi adapter and choose Properties. Select Internet Protocol Version 4 (TCP/IPv4) and click Properties.
Enter Google DNS
Choose 'Use the following DNS server addresses'. Set Preferred DNS server to 8.8.8.8 and Alternate DNS server to 8.8.4.4. Click OK and close all windows.

This won't fix a true Wi-Fi disconnection where the adapter drops off the network entirely. But if your Wi-Fi shows as connected yet browsing fails or feels intermittent, a slow ISP DNS server is often the actual problem. This sorts it quickly.

Advanced Wi-Fi Disconnects Randomly Windows Fixes

You've tried the above and it's still dropping. These fixes go deeper into the Windows network stack and adapter configuration. They're not dangerous, but they take a bit more time and some require a Command Prompt with admin rights. Worth it if the simpler stuff hasn't held.

Reset TCP/IP, Winsock, and Flush DNS Medium

Open an elevated terminal
Press Win + X and choose Windows Terminal (Admin) or Command Prompt (Admin). Click Yes on the UAC prompt.
Run the reset commands
Type or paste each command below, pressing Enter after each one:
netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /renew
ipconfig /flushdns
Restart your PC
Don't skip the reboot. The Winsock reset in particular doesn't fully apply until Windows restarts.
Verify
After rebooting, reconnect to Wi-Fi and test. If the connection was dropping due to a corrupted network stack, it should now be stable. Microsoft's netsh documentation covers exactly what each command resets if you want the technical detail.

These commands reset your TCP/IP configuration to defaults. Any custom static IP or DNS settings you've configured manually will be cleared. Note them down before running.

Adjust Advanced Wi-Fi Adapter Properties Medium

Open adapter advanced settings
Device Manager > Network adapters > right-click your Wi-Fi adapter > Properties > Advanced tab.
Reduce Roaming Aggressiveness
Find Roaming Aggressiveness in the list and set it to Lowest or Medium. When this is set too high, Windows constantly scans for a better access point and briefly disconnects during the scan. This is a surprisingly common cause of random drops in homes with multiple access points or mesh systems.
Disable 802.11ax if present
If your adapter shows an 802.11ax (Wi-Fi 6) setting and you're seeing drops specifically on a Wi-Fi 6 router, try setting 802.11ax to Disabled. Some older adapter firmware has bugs with Wi-Fi 6 negotiation that cause intermittent disconnects.
Click OK and test
You don't need to reboot for most Advanced tab changes, but a restart doesn't hurt. Test for 20 minutes before concluding it's fixed.

Not all adapters show the same options in the Advanced tab. Intel adapters tend to have the most settings. Realtek and Qualcomm adapters vary. If Roaming Aggressiveness isn't listed, skip that step.

Check WLAN AutoConfig Service Easy

Open Services
Press Win + R, type services.msc, press Enter.
Find WLAN AutoConfig
Scroll down to WLAN AutoConfig. Double-click it.
Set to Automatic and start it
Set Startup type to Automatic. If the service is stopped, click Start. Click Apply then OK.

WLAN AutoConfig manages all Wi-Fi connections in Windows. If it's set to Manual or has stopped running, Windows can't maintain a stable connection. This is an easy one to miss.

Full Network Reset (Last Resort) Hard

Write down your Wi-Fi password first
Seriously. This step wipes all saved networks. Check the back of your router or your router admin page if you don't know it.
Open Network Reset
Settings > Network and Internet. On Windows 11, scroll to Advanced network settings. On Windows 10, go to Status > Network reset.
Run the reset
Click Network reset then Reset now. Confirm the prompt. Windows will reboot automatically.
Reconnect and reconfigure
After the reboot, reconnect to your Wi-Fi network and re-enter your password. If you use a VPN client or custom network software, reinstall and reconfigure those too.

Network reset reinstalls all network adapters and returns every network component to factory defaults. It's effective but it does mean reconfiguring anything custom. Use this only after the other fixes have failed.

If you've worked through all of these and the drops are still happening, the problem may be hardware. A quick way to test this is to plug in a cheap USB Wi-Fi adapter and see if it stays connected where your internal card doesn't. If the USB adapter is rock solid, your internal Wi-Fi card may be failing. That's worth checking with a technician before buying a replacement. Our Wi-Fi card repair and replacement guide covers what to expect if it comes to that.

And if your router is the suspected culprit, check whether other devices drop on the same network. If they do, log into your router admin page (usually 192.168.1.1 or 192.168.0.1) and check for a firmware update. HowToGeek's Wi-Fi troubleshooting breakdown has a solid section on router-side fixes if you want more detail there.

Preventing Wi-Fi Disconnects Randomly on Windows

Once you've fixed the drops, here's how to keep them from coming back. In order of importance:

Keep your Wi-Fi driver updated from the OEM site. Check your laptop or adapter manufacturer's support page every few months. Don't rely solely on Windows Update for this.
Leave power saving disabled. Both the Device Manager setting and the Power Options Wireless Adapter setting should stay on Maximum Performance. Windows updates can occasionally reset these, so check after major Windows updates.
Update your router firmware. Log into your router admin page every six months or so and check for updates. Manufacturers push stability fixes that never get announced anywhere obvious.
Use 5 GHz where possible. The 2.4 GHz band is genuinely crowded in most urban areas. If your router broadcasts both bands and your adapter supports 5 GHz, connect to the 5 GHz network. Better speeds and far less interference.
Be careful with VPN clients and third-party firewalls. These are a common cause of Wi-Fi instability that gets blamed on Windows. If drops start after installing new security software, that's your first suspect.

For a broader look at keeping your Windows network healthy long-term, our Windows network performance guide covers DNS, adapter settings, and router configuration in more detail.

Wi-Fi Disconnects Randomly Windows: Summary

Wi-Fi disconnects randomly on Windows is almost always fixable without reinstalling Windows or replacing hardware. Start with power management, because that's the cause in the majority of cases we see. Disable the adapter power saving in Device Manager, set the power plan to Maximum Performance, and reboot. If that doesn't hold, update your driver from the manufacturer's site and run the netsh reset commands. Full network reset is there if everything else fails, but most people never need it. Work through the tiers in order, test after each fix, and you'll have this sorted.

Wi-Fi disconnects randomly Windows