Mac OS X: Resolve the black screen for a long time (recovery seconds)

system version and system configuration: OS X Yosemite 10.10.4

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Symptom : Press the power button to boot, black screen time is a bit long (more than 10 seconds)

solve the effect: realize the second open, press the power button, the third second display white Apple, five seconds display login interface. The shutdown time is also greatly shortened, 3-5 seconds off.

Workaround:

"System Preferences"--"Startup Disk"--select disk--"reboot"

1. Open "System Preferences"

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2. Open "Boot Disk"

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3, select the system disk, and then select "Restart", the system can restore the second open.

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--end--

2015.07.15

If you have any shortcomings, please advise me a lot.

This article is from the "Colonel Li Jian" blog, please be sure to keep this source http://shangxiao.blog.51cto.com/8671064/1675126

Mac OS X: Resolve the black screen for a long time (recovery seconds)