Note: Unlike the logic board in earlier Mac Pro models, the logic board in the Mac Pro (Early 2008) computer does not include an SMC reset switch. Press the power button to start up the computer.Plug the power cord back in, making sure the power button is not being pressed at the time.From the Apple menu, choose Shut Down (or if the computer is not responding, hold the power button until it turns off).If the computer still exhibits these types of issues after you've restarted the computer, try resetting the SMC by removing AC power: Resetting the SMC can resolve some computer issues such as not starting up, not displaying video, sleep issues, fan noise issues, and so forth. Force Shut Down (press the power button for 10 seconds).If the computer isn't responding, perform these steps one at a time, in the following order, until the issue has been resolved: Resetting the SMC will not resolve issues in which the computer is unresponsive-in these situations, restarting the computer will generally suffice. Note that resetting the SMC does not reset the PRAM. It is also recommended that the SMC be reset after a logic board, ambient board, or ambient board cable is replaced as part of a repair. Handling system resets from various commands.

Telling the computer when to turn on, turn off, sleep, wake, idle, and so forth.The SMC controls several functions, including: If the computer is experiencing any power issue, resetting the SMC may resolve it. If you want to start up again from the disk you erased, select Reinstall macOS in the utilities window, then click Continue and follow the onscreen instructions to reinstall m acOS.The System Management Controller (SMC) is a chip on the logic board that controls all power functions for the computer.

Quit Disk Utility to return to the utilities window.

After the erase is done, select any other internal volumes in the sidebar, then click the delete volume (–) button in the toolbar to delete that volume.ĭuring this step, disregard any internal volume named Macintosh HD or Macintosh HD - Data, as well as any volumes in the External and Disk Images sections of the sidebar.

Click Erase. However, if you see an Erase Volume Group button, click that button instead.

Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility.

Click the Erase button in the toolbar, then enter the requested details:.

Select Macintosh HD in the sidebar of Disk Utility.

From the utilities window, select Disk Utility and click Continue.

If asked, select a user you know the password for, then enter their administrator password.

Start up from macOS Recovery: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command (⌘) and R.

Apple mac restart no wipe