Weeks ago, I bought a screen made by ViewSonic, then I have to screens. But I meet a problem about the dual GPUs.
A passage to record some methods of programming in FrontEnd Development.
A note of my attempting.
Attempt to solve the problem of VirtualBox stuck on 'Starting' when starting a virtual machine. It is said that there has been a big news recently, and this problem can be solved by setting the kernel parameter ibt=off.