I found info about factory resetting it boot it while holding command and s. This is the easiest and most practical way of creating a boot drive for your mac. The new owner then completes the steps of the setup assistant using their information and apple id. Windows password recovery for mac create bootable password. Initiate restart click the apple logo, click restart, and click restart in the box that appears next.
Select restart from the popup window appeared after the command. Restoring macbook to factory settings is a straightforward process. Unplug the magsafe power adapter from your macbook. Jul 30, 2018 if your macbook has a nonremovable battery. This is problematic if you need to reinstall os x or macos on a newly formatted hard drive, if youre in an. Insert the battery and plug the magsafe power adapter back in. To get started, you will need to turn off or reset your computer. Using the terminal command, we remove the usb forcefully and do the clean format. Macbook pro inch, 2018, four thunderbolt 3 ports, 2. To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your mac, or after your mac begins to restart. After the first two weeks, my usb ports stopped working. Macbook pro 2018 4 port usbc ongoing port related. Type select disk x where x is the disk number of your usb drive and press enter.
Alternatively, restart the computer and after the chime press and hold down the option key until the boot manager screen. In the window that slides open, click the restore defaults button, then click ok. Restore your usb key to its original state pen drive linux. Click here to backup my macbook resetting the smc a macbook with a battery you can remove. Macbook how to factory reset it and delete user info. Once youre authenticated as a system admin, select the account whose password you want to reset from the lefthand pane. Apr 01, 2020 to use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your mac, or immediately after your mac begins to restart. How this is done depends on whether youre using a macbook or mac desktop. Aug 20, 2016 click on your usb stick, then select erase.
Shut down the computer if you dont see one of your usb devices in the device list. On your builtin keyboard, press and hold all of the following keys. Youll want to locate your macbook airs startup disk. Click the erase button on top ribbon of disk utility to start erasing your hard drive for factory reset macbook pro. Heres how you reset nvram pram on your macbook pro. Unfortunately, even target disk mode wouldnt work to restore it i cloned from another mac, but you can try accessing your files from it. You can easily fix this issue using some terminal commands. How to factory reset a macbook pro toms guide forum. Hold until the black screen with all the coding appears. This will take a few minutes to complete, so leave it running until you see the. Now you have bootable usb drive ready, connect to mac. Make sure that it has at least 12gb of available storage and is formatted as mac os extended.
How to reset a macbook or any mac computer laptop mag. Click on reset password to change the password for the account, and hence, regain control. This shuts down your macbook pro only to automatically power up again. Select the volume in the sidebar you want to restore, then click the restore button. Aug 25, 2014 make sure the keyboard tab is selected, then click the modifier keys button. Its a slightly different process to resetting the smc, but no less difficult. How to reset and fix a slow macbook, pro or an imac. Reset mac system settings nvram and smc last updated 6 months ago. Hold down the keys until you hear a startup sound and the mac screen will flash. How to reinstall macos if command r is not working on macbook. Terminal command to refresh usb peripheral device im running os 10. Once disk utility has opened on your display, youll see a list of your computers installed disks on the left side of the disk utility panel.
Aug 14, 2011 in this video tutorial ill show you how to do a clean installation of os x lion on your macintosh computer from a usb drive or dvd. Look under the internal section for your main drive. How to wipe your mac and reinstall macos from scratch. The first step in our usb port troubleshooting is the easiest one. Updating macbook air from usb bootable os x utilities stick. Now log out, log back in to your original account, and continue with your work. Mar 12, 2020 connect the usb flash drive or other volume that youre using for the bootable installer. If the issue persists, follow these steps to reset the smc.
On the builtin keyboard, press the left side shiftcontroloption keys and the power button at the same time. Or use optioncommandr or shiftoptioncommandr to start up from macos recovery over the internet. Wait a few seconds, then press the power button to turn on your mac. Apr 28, 2020 learn how to format usb flash drive using cmd in windows 10, 8 and 7. Check your keyboard especially if its a bluetooth keyboard. To begin, start by hitting the apple icon in the topleft corner of your macbook s display.
If a usb device isnt working with your mac, make sure all the cables are connected properly and. One more thing, if you erase the main drive and then reboot with a t2 mac you will have to authenticate as an administrator as i already mentioned to boot off the usb drive, but the mac looks at. Then the next step is to factory reset mac os x to original factory settings. Heres how to restore your mac keyboard settings back to the. All the keyboard shortcuts you can use when starting up your. Press and hold down the power button for 5 seconds, and release the button after that. To unblock locked usb port on mac running latest version of macos. Press and hold the power button for 10 seconds, then release the button. Restoring your usb key to its original state using windows mac os. Type or paste one of the following commands in terminal. Restart the computer and after the chime press and hold down the command and r keys until the menu screen appears. Restart the mac and press and hold option key from your keyboard, when mac makes rebooting sound or haptic feedback 1.
If your mac desktop computer has the apple t2 security chip, skip ahead to the t2 section. Press and hold the command optionpr keys immediately after you hear the startup sound. Youre now donebe sure to eject the disk before you remove it from your mac. When the recovery mode utilities window shows up, pick disk utility and click continue. Resetting the smc system management controller is a simple fix that cures a wide range of hardware issues. Click on it so that its highlighted, then click the erase button from. Shut down your mac and hold down commandoptionpr during boot. Now, click on the erase button and the disk utility will prepare the usb stick for. Turn on or restart your macbook and hold down both the command. Wait for the reboot, and try usb ports again how can this help. When the script is done, i have to physically disconnect and reconnect the usb serial adapter in order to free the macbook.
Solved erase process has failed when formatting usb mac. How to create a bootable installer for macos apple support. In the disk utility app on your mac, choose view show all devices. Here is how you can perform the nvram reset on a mac to see if this resolves the usb failure. I am trying to get information on how to reset the usb port on a macbook pro using terminals command line. Follow these steps for imac, mac mini, mac pro, and xserve. Press the power button, and as soon as you power up the laptop, hold down command optionpr. Terminal command to refresh usb periphera apple community. Apr 23, 2020 to factory reset your device, however, click disk utility at the bottom of the list. How to reset macbook pro usb ports toms guide forum.
How to clean install osx lion from usb or dvd youtube. Reset smc on macbook pro with removable battery shut down your macbook pro, disconnect it from the power supply, and remove all the devices connected to its usb ports as explained in the 1st and 2nd steps of the previous section. I am certain of the model, here is the description. Place back backup iousb port files from the backup folder to the extensions folder. You can do this by clicking the eject icon to the right of the disk in the finder or disk utility. Reset usb bus without reboot macbook ignores display. How to create a mac os x usb boot drive in recovery mode. Manual method via diskpart windows open a command prompt as administrator cmd. Is there a way to reset the usb system without rebooting. How can i restore my late 2008 macbook wi apple community.
Some mac users may require the ability to erase a disk or erase a hard drive from the command line on mac os, a task which is typically performed through the disk utility application from the gui. I use the usb port to access a network device via a serial port with an ioread guc232a to conduct automation. Age of your mac if youre using a mac thats still running os x snow leopard or older operating system, then your version doesnt have recovery mode. I have a macbook pro from 2008 that i would like to wipe clean. How to restore reset a macbook a1278 to factory settings. How to make a bootable flash installer of os x or macos. How to fix erase process has failed issue using terminal command.
Power it on and hold command key and s key at the same time. If a single usb port has failed but other usb ports are continuing to work on the mac, even after an smc reset, there may be an issue with that specific hardware usb port you can either avoid using that usb port and instead use a usb hub for one of the other functioning ports, or you can have apple run a hardware diagnostics test on the. Plug in the magsafe or usbc power adapter to a power source and to your computer. Press and hold the power button for 5 seconds step 05. The command line approach to disk erasure in macos is a bit different and it requires precise syntax to insure that you are erasing the proper disk, making this method of erasing any disk only. I have a macbook pro and work with different external monitors. Reset os x account with the terminal in singleuser mode. Restore a disk using disk utility on mac apple support. Frequently the macbook does not recognize the usb devices in the display and the keyboard and mouse do not function. Now, release all keys and press the power button again to boot your mac. Problem is, the current hdd os has been already scrubbed to it would have to be run off the bootable usb stick.
Next, select the text tab, then check out the list of text shortcuts a. After several days of uptime, one or more of the ports will sometimes become nonresponsive. Open terminal, which is in the utilities folder of your applications folder. For macbooks with a nonremovable battery mid 2009 and newer press the icon in top left of screen. Plug in the usbc or magsafe cable in your macbook and into a power source. Resetting the system management controller smc can resolve certain. To reset your nvram, you use exactly the same procedure you once used to reset pram. Because apple doesnt provide ability to make a windows bootable reset disk with pe built in. How to reset the macs nvram, pram, and smc macworld.
Dont let go of these keys until you see the macos utilities window appear on. Oct 10, 2019 type y and press enter when prompted, and the command will create your bootable catalina installer on the usb drive. Though, i would warn you that when you hard reset macbook pro or air to factory settings without disc, it will wipe clean everything. Let your macbook boot up as usual and the smc will be reset. After resetting smc, put the battery back in its socket, plug your macbook pro to the power supply, and press the power button to boot your computer. Reboot and clean install of macos mojave on mac, imac, macbook pro, macbook air.
How to clean install macos mojave macos catalina, clean. On macbooks keyboard, press controlshiftoption and push the power button at the same time. Your mac and os x have a variety of startup keys and key combinations you can use to affect how the device starts up. How to reset password on macbook pro air and imac os x. Factory reset macbook air and other macs with macos recovery. Jul 04, 2015 itll reset your dock to its default settings, just like when you first took your mac out of the box. You can skip resetting nvram pram if the usb ports started functioning after you reset smc on your macbook pro. And just like those applications, a reboot or a reset can fix a problem like a usb port. Default apps will be restored to their standard locations, and preferences like magnification, hiding, and so on, will be reset.
Click the erase button when youre done and disk utility will format your disk with the settings you specified. If your mac is using a firmware password, all of these key combinations are disabled, except as noted below. This is the volume that is erased and becomes the exact copy. Aug 09, 2015 other considerations for usb not working on a mac. Ask different is a question and answer site for power users of apple hardware and software. Press the command and r keys at the same time when the grey screen appears and hold them until you see the apple.
When choose hard drive, you should look for the disk name, but not the volume name. If youre keeping your macbook for macos catalina and above. Reset usb bus without reboot macbook ignores display ask. This is often called macintosh hd and appears at the top of the list. So you have to use the professional password resetting tool. How to factory reset a macbook air or other mac with macos. While downloading an os x or macos version offers instant gratification, it means youre left without an installer. How to hard reset macbook pro or air and reinstall macos x. Choose apple menu shut down and wait for your mac to shut down. Resetting the usb port on a macbook pro ask different. May 16, 2018 how to hard reset macbook pro or air while macbook is one of the finest machines that usually dont get hiccups, but if you ever had to hard reset your macbook pro or air running osx, its easy.
How to fix usb ports that are not working on mac macpaw. Ways how to factory reset macbook pro very easily techinpost. Choose apple menu shut down and wait for your mac to. Rebooting the mac resets certain hardware conditions, which may lead to a solution to usb port issues.
Power, including the power button and power to the usb ports. Click the restore popup menu, then choose the volume you want to copy. With the arrival of os x lion in 2011, apple changed its softwaredelivery method to a download model with the mac app store instead of using physical dvds and other media. Just a while ago ive tried pram reset, and it all worked out. I am pretty sure i can do a full factory restore with a usb drive, but does anyone know of a way i can do a factory restore without the usb. What you should do before that is to back up your files in a different location before proceeding because it will erase all data stored on macbook. Apr 21, 2020 that happened to me, too also a 2017 macbook.
Apr 24, 2020 now that i am at home and using my travel laptop a lot more, i am having a number of issues that i believe are tied to the usb c ports, specifically the left side ports. Make the format mac os extended journaled and use guid partition map as your scheme. Connect the usb flash drive or other volume that youre using for the bootable installer. Mar 10, 2014 trying to update the firmware on a macbook air that requires ver 1. By using the command prompt, you can format any usb flash drive, pen drive or memory stick that is write protected, corrupted, damaged, unreadable, unrecognized by pc and mobile. Hold down the command and r keys on the keyboard and turn on the mac. How to restore reset a macbook pro a1706 to factory. Listen sound for the chime sound and your mac will boot up. Now, click on the erase button and the disk utility will prepare the usb stick for the next steps youre going to follow.
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