AVD of xxhdpi device doesn't start

Question

I have to emulate an HTC One, so I set a Device like this:

But, when I start the AVD, the AVD goes black, and doesn't boot.

How can I fix this?

Answer 1

That's because your monitor doesn't have that many pixel per inch. To start it when you launch the emulator select scale display to real size ,click on the question mark and select the monitor's screen size in inch and resolution, it will then automatically calculate monitor dpi. Also edit emulator to make use of host GPU as others have suggested. If your GPU is weak the screen of the emulator may blink and it will be even slower than normal emulators.