Bluetooth Keeps Disconnecting on Windows 11 — Fix

Bluetooth keeps disconnecting on Windows 11 means Bluetooth devices drop the connection repeatedly — after a period of inactivity, during use, or when the computer wakes from sleep — and must be reconnected manually each time. According to Microsoft’s official Bluetooth troubleshooting documentation, the most common cause is Windows power management settings that cut power to the Bluetooth adapter during idle periods, severing all active connections.

Bluetooth keeps disconnecting fix path: disable Bluetooth adapter power saving, disable USB selective suspend, update Bluetooth driver, check device power settings, run Bluetooth troubleshooter, reduce Wi-Fi and Bluetooth interference

What causes Bluetooth keeps disconnecting on Windows 11

Bluetooth adapter power management — Windows 11 power management can cut power to the Bluetooth adapter during idle periods to save energy. When this happens, all active Bluetooth connections drop simultaneously. This setting is enabled by default on battery-powered laptops and is the most common cause of Bluetooth disconnections.

USB selective suspend — Bluetooth adapters connected internally or externally via USB are subject to USB selective suspend, which powers down USB devices during inactivity. When the adapter powers down, connected Bluetooth devices lose their connection.

Outdated Bluetooth driver — Older Bluetooth drivers often contain power management bugs that cause the adapter to enter a low-power state at incorrect intervals. Manufacturer driver updates frequently include fixes for specific disconnection patterns observed on particular hardware.

Radio interference — Bluetooth and 2.4GHz Wi-Fi share the same frequency band. Heavy simultaneous use of both can cause the Bluetooth signal to drop temporarily, appearing as a disconnection. USB 3.0 devices also emit interference on the 2.4GHz band that can affect nearby Bluetooth adapters.

How to fix Bluetooth keeps disconnecting on Windows 11

Work through the steps in order. Step 1 (power management setting) resolves the majority of cases.

How to verify the fix

After applying the power management change, leave a Bluetooth device connected for 30 minutes without using it — this is the typical interval Windows would have powered down the adapter under the previous settings. If the device remains connected and responsive, the fix worked. Also test by putting the computer to sleep and waking it, then checking whether the Bluetooth device reconnects automatically.

Known limitations

Microsoft’s Bluetooth power management settings cannot address radio range limitations. Bluetooth has a practical range of approximately 10 metres under ideal conditions — walls, metal furniture, and other devices reduce this significantly. If a Bluetooth device disconnects only when the user moves to a specific location or distance from the computer, the disconnection is caused by range rather than Windows settings and requires moving the computer or device closer together. Additionally, Bluetooth version mismatches — for example, a Bluetooth 5.2 device connecting to a Bluetooth 4.0 adapter — can cause instability that manifests as frequent disconnections, and the only complete solution is upgrading the adapter to a version compatible with the device.

Frequently Asked Questions

Why does Bluetooth keep disconnecting after sleep on Windows 11?

After sleep or hibernation, Windows sometimes fails to fully restore the Bluetooth adapter to its active state. The adapter powers back on but the connected devices are no longer registered. Open Device Manager, right-click your Bluetooth adapter, select Properties > Power Management, and uncheck Allow the computer to turn off this device to save power. Also restart the Bluetooth Support Service in services.msc after waking from sleep if disconnections persist.

Why do Bluetooth headphones keep cutting out on Windows 11?

Bluetooth headphones cutting out — brief audio gaps rather than full disconnections — are usually caused by radio interference, the Bluetooth driver entering a low-power state, or a USB 3.0 device near the Bluetooth adapter causing 2.4GHz interference. Try connecting the Bluetooth adapter or USB dongle to a port away from USB 3.0 devices. Also disable Bluetooth power saving in Device Manager under the adapter's Power Management tab.

Why does my Bluetooth mouse keep disconnecting on Windows 11?

A Bluetooth mouse disconnecting while in use is usually a power management issue. Open Device Manager, expand Bluetooth, right-click the Bluetooth adapter, go to Power Management, and uncheck Allow the computer to turn off this device to save power. Also check USB selective suspend settings in Power Options if the mouse connects via a USB Bluetooth dongle. Some mice also have a hardware sleep timer — check the manufacturer's companion software.

How do I stop Bluetooth from disconnecting every 5 minutes?

Disconnections at a predictable interval — every 5 or 10 minutes — are almost always caused by a Windows power management timer cutting the adapter. Open Device Manager, right-click the Bluetooth adapter, Properties > Power Management, uncheck the power save option. Also open Power Options in Control Panel, change USB selective suspend to Disabled, and check the Balanced or Power Saver power plan's USB settings.

Why does only one earbud disconnect while the other stays connected?

When one earbud disconnects while the other remains connected, the problem is with the earbuds' internal Bluetooth relay between the two earbuds rather than with Windows. Most true wireless earbuds connect one earbud (the primary) to Bluetooth and relay audio to the secondary earbud over a short-range radio link. A weak battery, physical obstacle between the earbuds, or firmware issue on the earbud causes this secondary link to drop. Charge both earbuds fully and check for a firmware update in the manufacturer's app.