UserAgent: Mozilla/5.0 (X11; CrOS x86_64 9000.87.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.101 Safari/537.36

Steps to reproduce the problem:
1. Try to switch screens or make screenshot
2. Key not responding
3. External keyboard does

What is the expected behavior?
The key works

What went wrong?
The keys does not work

Did this work before? N/A 

Chrome version: 57.0.2987.32   Channel: beta
OS Version: 9000.87.0
Flash Version: Shockwave Flash 24.0 r0