Windows · Devices
Manage USB connection notifications and power
USB settings control notifications for USB connection issues and battery-saving behavior for USB devices when your PC is running on battery power.
How to open USB Settings
- Open Settings → Bluetooth & devices → USB
- Toggle notifications for USB connection issues
- Toggle USB battery saving on or off
- Reconnect the affected device to test the change
What you should know
- Enable notifications when there are problems connecting a USB device
- Turn on battery saving to suspend idle USB devices while on battery
- View a summary of recent USB connection issues
- Access troubleshooting suggestions for common USB errors
Why it matters
USB connectivity problems, like a device drawing too much power or failing to enumerate correctly, can be confusing to diagnose without clear feedback, and this page's notifications help surface those issues immediately. Battery saving for USB devices helps laptop users extend runtime by suspending idle peripherals like external drives or webcams when unplugged. This setting is particularly relevant for professionals connecting external monitors, docking stations, and multiple peripherals, since power delivery issues on battery can otherwise cause silent disconnects. Understanding this page also speeds up troubleshooting when a USB device intermittently disconnects during battery use.
Best practices
- Enable notifications for USB connection problems so issues surface immediately rather than being discovered later
- Turn off USB battery saving if you experience unexpected disconnects of external drives or accessories on battery
- Check this page first when a bus-powered external drive behaves erratically while unplugged
- Keep battery saving on for average use to maximize runtime with low-power peripherals like mice and keyboards
Common problems and fixes
- External hard drive disconnects randomly on battery
- Turn off USB battery saving, since it can suspend high-power devices to save energy.
- No warning appears when a USB device fails to connect properly
- Enable the notification toggle for USB connection issues on this page.
- A USB webcam stops working after the laptop sits idle
- Disable battery saving for USB devices if the webcam is being suspended between uses.
Tips and tricks
- Turn off USB battery saving specifically before doing a large file transfer to an external drive unplugged from power
- Pair with Device Manager for deeper diagnostics if a USB device continues to misbehave after adjusting these settings
Frequently asked questions
Does this affect USB device speed?
No, this page controls notifications and power behavior, not data transfer speed.
Will USB battery saving affect my mouse or keyboard?
Low-power devices like mice and keyboards are generally unaffected, while high-power devices like external drives are more likely to be suspended.
Where do I see detailed USB errors?
Device Manager provides more detailed diagnostic information for individual USB device errors.
Related settings
- AutoPlayAutoPlay settings control what Windows does automatically when you insert removable media or connect a device, such as a USB drive, memory card, or camera.
- Device ManagerDevice Manager is a classic Windows tool (devmgmt.msc) that lists every piece of hardware attached to your PC — display adapters, network adapters, storage controllers, USB devices, and more — organized into categories. It's where you update, roll back, disable, or uninstall a specific driver, and where a small yellow warning icon points you directly at hardware Windows is having trouble with.
More Devices guides for Windows
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- KeyboardKeyboard settings cover autocorrect, text suggestions, and physical/touch keyboard behavior through the Typing settings page, alongside language-specific layout options managed under Language & region. This is where you tune how Windows interprets and assists your typing.
- TouchpadTouchpad settings let you adjust sensitivity, enable or disable tap-to-click, and configure multi-finger gestures for switching apps, virtual desktops, and zooming. These options only appear on laptops with a built-in precision touchpad.
- Pen & Windows InkPen settings control how Windows responds to a stylus on touchscreen devices, including which hand you write with, shortcut actions for the pen's button, and the Windows Ink Workspace for sketching and screen annotation. This only appears on devices with pen/stylus support.
- Printers & ScannersPrinters & Scanners settings let you add, remove, and manage printing and scanning devices connected via USB, network, or Bluetooth. From here you can set a default printer, view print queues, and run scans directly from connected multi-function devices.
- Graphics SettingsGraphics Settings lets you assign specific apps to your PC's high-performance or power-saving GPU on laptops with both integrated and dedicated graphics, override the automatically chosen graphics preference, and enable Auto HDR and Variable Refresh Rate for supported games. It's most relevant on 2-in-1s and gaming laptops with more than one graphics processor installed.