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#Can't access system preferences on boot for mac mac#

#Can't access system preferences on boot for mac mac#

If you turn on your Mac and you get stuck at the blue screen, chances are, your startup drive might be having issues. Make sure you disconnect the headphones, audio in or out cables, and Ethernet cable.

Disconnect all the external peripherals connected to your Mac, excluding the display, mouse, and keyboard.

Press and hold the Power button to force shut down your Mac.

However, one of the best ways to avoid this issue is to disconnect all your external peripherals. If your Mac gets stuck at the gray screen, know that there’ll be a bit of work ahead of you. After pushing the Power button, sometimes, you’d see a gray screen. The startup process of a Mac is indeed unpredictable. Disconnect all your Mac’s external peripherals.

Your Mac should now restart normally without the flashing question mark.ĥ.

Select the icon of the disk you normally use when starting up your Mac.

Open the Apple menu and choose System Preferences.

If you see the dreaded flashing question mark on your screen while your Mac is starting up, you might have to reselect a startup disk under System Preferences.

You have successfully reset your Mac’s SMC.

Wait for 5 more seconds and press the Power button.

Unplug your Mac’s power cord and wait for 15 seconds before plugging it back in.

Go to the Apple menu and hit Shut Down.

In cases when a Mac does not finish starting up or freezes while in the process of starting, sometimes, resetting the SMC fixes the problem. That includes thermal management, how the power button works, and managing sleep mode. Most of your Mac’s basic hardware functions are controlled by the System Management Controller.

Reset your Mac’s System Management Controller. You have successfully reset your Mac’s NVRAM.ģ. Press the power button while pressing the Option, Command, P, and R Hold them until the startup sound is heard twice.Now, there are times when a Mac does not start up because there is a problem with the NVRAM or PRAM. Since it is powered by a tiny battery, most of the configurations won’t be deleted even if you turn off your Mac. Sometimes, you will be asked to log in twice, especially if you enabledĪ PRAM or Parameter Random Access Memory holds the information needed for your Mac’s configuration, including the time and date, volume, mouse, desktop, and other control settings.Once the login window shows up, you may release the Shift key and enter your login credentials.Turn it on by pressing the Power button and holding the Shift key.About Outbyte, uninstall instructions, EULA, Privacy Policy. It scans your startup drive to make sure that everything is ready for booting.įollow the steps below to safe boot your Mac: This method technically forces a Mac to start up with only the most important apps and programs required for startup. One of the easiest and most straightforward methods to diagnose startup problems with Macs is to use the Safe Boot option. But again, these Mac troubleshooting tips should help you diagnose the problem and fix it, or at least, prepare you ahead for any problems. Yes, it can be a disaster, especially if you have a deadline to meet. Well, if a Mac does not start up, that does not necessarily mean you can’t do anything about it. While most of us are fortunate enough to experience trouble-free years, working every day without issues, others run into problems keeping them from using their Macs. For that reason, we came up with these top 10 troubleshooting tips for a Mac to help resolve any problems. When your Mac does not start up, there could be a multitude of issues behind it.