“Restart your router” fixes maybe a third of these. The rest are a specific setting fighting against you — usually one of four things. Here's how to tell which.
Step 1: Is It This Device, or the Whole Network?
Before touching Windows settings, check whether other devices (phone, another laptop) also drop connection at the same time.
- Only this Windows PC drops — the problem is local: adapter power management, driver, or a Windows setting. Go to Step 2.
- Everything drops at once, including phones — the problem is the router or ISP, not Windows. Restarting the router, checking for firmware updates, or calling your ISP is the right move, not anything below.
Step 2: Kill the Power-Saving Setting (Fixes This More Than Anything Else)
Windows aggressively powers down network hardware to save battery, and on many laptops this is overtuned to the point of dropping a stable connection.
Win+X → Device Manager → Network adapters → right-click your WiFi adapter → Properties → Power Management tab → uncheck “Allow the computer to turn off this device to save power.”
This single setting resolves a large share of “randomly disconnects every few minutes” complaints, especially on laptops.
Step 3: Update the Driver — From the Manufacturer, Not Windows Update
Windows Update often installs a generic, older WiFi driver that's less stable than the one from Intel, Realtek, or your laptop manufacturer directly. Identify your exact WiFi chipset (Device Manager → Network adapters → the exact model name), then get the driver from the chipset maker's site rather than relying on Windows Update alone.
Step 4: Check for a Router Channel-Width Conflict
This is a less obvious one: some routers broadcasting 5GHz WiFi at a 160MHz channel width cause frequent disconnects on certain Intel and Realtek adapters — a known compatibility gap, not a fault on either side individually.
Log into your router's admin page (check the label on the router for the address) → wireless settings → change Channel Width from Auto/160MHz down to 80MHz or 40MHz. If disconnects stop, you've found it.
While you're in there, if your router broadcasts one combined SSID for both 2.4GHz and 5GHz, try splitting them into two separate network names temporarily — this helps isolate whether the problem is band-switching confusion.
Step 5: Rule Out Conflicting Software
VPN clients, aggressive antivirus network filtering (Norton and McAfee are common culprits), and some network-management utilities install low-level network filter drivers that can interfere with WiFi stability. If you have any of these installed, temporarily disable (not just close) the app and see if the disconnects stop.
Step 6: Reset the Network Stack as a Last Resort
If nothing above helps: Settings → Network & Internet → Advanced network settings → Network reset. This removes and reinstalls all network adapters and resets networking components to default. It's a bigger hammer — you'll need to re-enter WiFi passwords afterward — so try Steps 2-5 first.
Quick Reference
| Symptom | Likely cause | Fix |
|---|---|---|
| Only this PC drops, others fine | Local adapter/driver issue | Steps 2-3 |
| Everything drops at once | Router/ISP issue | Restart router, check ISP |
| Drops worse near other electronics | Interference / channel width | Step 4 (router channel width) |
| Started after installing a VPN/antivirus | Conflicting network filter driver | Step 5 |
| Drops even next to the router, multiple networks | Failing internal WiFi card | Test with USB WiFi adapter |