scrcpy/FAQ.md

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# Frequently Asked Questions
## Common issues
The application is very young, it is not unlikely that you encounter problems
with it.
Here are the common reported problems and their status.
### On Windows, my device is not detected
The most common is your device not being detected by `adb`, or is unauthorized.
Check everything is ok by calling:
adb devices
Windows may need some [drivers] to detect your device.
[drivers]: https://developer.android.com/studio/run/oem-usb.html
### Mouse clicks do not work
On some devices, you may need to enable an option to allow [simulating input].
[simulating input]: https://github.com/Genymobile/scrcpy/issues/70#issuecomment-373286323
### Mouse clicks at wrong location
On MacOS, with HiDPI support and multiple screens, input location are wrongly
scaled. See [issue 15].
[issue 15]: https://github.com/Genymobile/scrcpy/issues/15
A workaround is to build with HiDPI support disabled:
```bash
meson x --buildtype release -Dhidpi_support=false
```
However, the video will be displayed at lower resolution.
### KWin compositor crashes
On Plasma Desktop, compositor is disabled while _scrcpy_ is running.
As a workaround, [disable "Block compositing"][kwin].
[kwin]: https://github.com/Genymobile/scrcpy/issues/114#issuecomment-378778613