You click once and your mouse acts as if you clicked twice: folders open when you only wanted to select them, drag-and-drop lets go mid-drag, and text selections jump. The cause is either a setting (easy to fix) or the switch inside the button (usually fixable, sometimes not).
Test it first: open the free Mouse Tester and click the faulty button slowly, about 20 times, one click per second. If you see double-click alerts while clicking slowly, the hardware is sending extra clicks. If you see none, look at the settings first.
1. Rule out Windows settings
- Single-click to open: if Windows is set to open items with one click, a normal click behaves like a double-click. Logitech lists this as the first thing to check. In File Explorer, open Options and make sure Double-click to open an item (single-click to select) is selected.
- Double-click speed: Settings → Bluetooth & devices → Mouse → Additional mouse settings → Buttons tab → Double-click speed. If it’s set very slow, two separate clicks a second apart can be read as a double-click. Move the slider towards the middle.
- Mouse software: gaming mice often have software (Logitech G HUB, Razer Synapse and similar) where a button can be remapped to a double-click or macro. Reset the button to its default “left click” or “primary click”.
2. Rule out a wireless problem
Weak or interrupted wireless signals can drop and repeat clicks.
- Replace or charge the battery.
- Move the USB receiver closer, ideally to a front port or a short extension cable, away from USB 3 ports and hubs.
- Try the mouse on another computer, or another mouse on this one. If a different mouse works perfectly here, the first mouse is at fault.
3. If the hardware is double-clicking
Inside each mouse button is a small mechanical switch. With age, dust or oxidised contacts, the metal can make and break contact several times in one press. That’s called switch bounce, and the computer sees it as extra clicks.
Fixes, from easiest:
- Warranty first. If the mouse is still under warranty, contact the manufacturer before opening anything, because opening it usually voids the warranty.
- Clean around the button: with the mouse unplugged or off, blow compressed air around the edge of the button and click it firmly 20–30 times. Sometimes this clears dust from the switch.
- Software debounce: some gaming mice let you raise the debounce time in their software. That makes the mouse ignore extra contacts that arrive within a few milliseconds.
- Replace the switch: on many mice the switches are standard parts that a confident solderer can replace. For an inexpensive mouse, replacing the mouse is often more practical.
4. Confirm the fix
Go back to the Mouse Tester, reset it, and click the same button slowly another 20 times. Zero double-click alerts during slow clicking means the problem is gone.
Very fast deliberate clicking can occasionally trigger an alert even on a healthy mouse. Only alerts during slow, single clicks point to a fault.
Sources
- Logitech Support, Mouse double-clicks when clicked once (single-click setting; reset the mouse; contact support for a hardware fault).
- Logitech Support, Troubleshoot mouse button and key issues.
- Microsoft Support, Make your mouse, keyboard, and other input devices easier to use.
Last updated: October 5, 2026. Researched and written by 123EasyTech Editorial.
