How do I fix flashing folder with question mark on MacBook Pro?

How do I fix flashing folder with question mark on MacBook Pro?

If your Mac starts up to a question mark

  1. Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off.
  2. Turn on your Mac and immediately press and hold Command (⌘) and R to start up from macOS Recovery.
  3. While in macOS Recovery, use Disk Utility to repair your startup disk.

What does it mean when a folder with a question mark on Mac?

A folder with a flashing question mark means that your startup disk is no longer available or doesn't contain a working Mac operating system. If the question mark appears only momentarily before your Mac starts up normally: Reset NVRAM. Make sure that your preferred startup disk is selected in Startup Disk preferences.

How do I get rid of the question mark on my Mac?

If an app's icon is in the Dock and you delete the app from your Mac, the icon remains in the Dock but is covered by a question mark. Remove the question mark icon: Drag the icon out of the Dock until you see Remove.

How do I wipe my Mac and reinstall?

Erase and reinstall macOS

  1. Start up your computer in macOS Recovery: ...
  2. In the Recovery app window, select Disk Utility, then click Continue.
  3. In Disk Utility, choose View > Show All Devices.
  4. Select your startup disk on the left, then click Erase.
  5. Click the Format pop-up menu (APFS should be selected), enter a name, then click Erase.

Will a factory reset remove viruses Mac?

If your PC, Mac, iPhone or Android smartphone becomes infected by a virus, a factory reset is one way of potentially removing it. ... It does remove viruses and malware, but not in 100% of cases.

How do you wipe clean a Mac?

How to wipe a Mac computer with a factory reset

  1. Turn your Mac computer off.
  2. Press the power button to turn it on, then immediately press and hold Command (⌘) + R. ...
  3. After a few moments, the macOS Utilities window should appear — this is known as Recovery Mode.
  4. Select "Disk Utility" and click "Continue."

How do I factory reset my MacBook Pro 2011?

3. Restore Mac Back To Factory

  1. Restart your Mac and hold down the “Command” and “R” keys during startup until you Mac is in Recovery Mode.
  2. Select “Disk Utility” and click “Continue”
  3. Choose your main startup disc (named “Macintosh HD” by default) and click “Unmount”

How do I wipe and reset my MacBook Air 2011?

Boot from the Recovery HD by restarting the computer and after the chime press and hold down the COMMAND and "R" keys until the computer starts from the Recovery HD. Select Disk Utility from the main menu and click on the Continue button.

How do I reset my MacBook Pro 2011 without password?

How to Reset MacBook Pro to Factory Settings without Password

  1. Click the Apple logo at the top left of the screen and select Restart.
  2. Immediately hold down the Command + R keys until you see an Apple logo or spinning globe.
  3. It will take a while for the Mac to start up in this mode.
  4. You may see a screen asking you to choose a language.

How do I reset my password on my MacBook Pro 2011?

Go to Utilities->Terminal menu. Type resetpassword, a reset password window will apear.

How do you factory reset MacBook Pro if you forgot the password?

Turn off your computer and hold the power button + Command R. Wait for the loading bar to appear on the screen while your Mac boots to Recovery. Next, choose Disk Utility > Continue > Utilities Terminal. Type “resetpassword” (in one word) and click Return.

How do I reset my MacBook pro without losing data?

Connect the external hard drive, like USB flash drive, with your Mac. When your Mac detects it, a pop-up will appear, asking you whether to use the drive to back up with Time Machine or not. Please check "Encrypt Backup Disk" and select "Use as Backup Disk" for start to reset Mac settings without losing data.Il y a 6 jours

How do I reset my Mac but keep files?

While your computer is restarting and you see the black screen with white Apple logo, hold down the command button and R on the keypad at the same time. This will open the Disk Utility window and allow you to erase all of the information. From here, click on Disk Utility and then Continue.

Will a factory reset speed up my MacBook pro?

It depends on just howany tools you have installed. Mac OS X which is mostly used to open browser and email, will not become faster once it has downloaded all your email again and so on. You are much better off by deleting utilities that you run on startup.

How do I wipe my Mac hard drive without losing OS?

Click on your hard drive and select the "Erase" tab. Select "Mac OS Extended (Journaled)" from the Format pop-up menu. Type a name for your hard disk. Click "Erase." To ensure that your data can't be recovered, click the "Security Options" button and select a method of deletion.

What happens if you erase your Mac hard drive?

Erasing your Mac permanently deletes its files. If you want to restore your Mac to factory settings, such as to prepare it for a new owner, first learn what to do before you sell, give away, or trade in your Mac.Il y a 5 jours

How do I wipe my hard drive but keep operating system?

There are a few methods you can use to erase your data from the drive while leaving the operating system intact.

  1. Use Windows 10 Reset This PC. ...
  2. Completely Wipe the Drive, then Reinstall Windows. ...
  3. Use CCleaner Drive Wipe to Erase Blank Space.

Does wiping a hard drive remove the operating system?

Restoring a computer to its factory settings erases all data on the hard drive except for the operating system.

How do I wipe my operating system?

Type list disk to bring up the connected disks. The Hard Drive is often disk 0. Type select disk 0 . Type clean to wipe out the entire drive.

Does formatting a drive delete the OS?

Yes it erases the data on the disk. ... If you just want install the new OS, you have to only format a partition generally it's C: drive (system partition) not a whole drive.

Does DBAN wipe the operating system?

Using a tool like DBAN erases the hard drive completely. It's easy, and every single bit of every single byte — operating system, settings, programs, and data — is removed from the hard drive… ... Then, if you like (and if you can), reinstall the operating system from an install disk.

Can you format a hard drive without losing data?

It's perfectly possible to wipe your hard drive without losing all your data. The process requires you to format your drive, then use data recovery tools to salvage your data. The methodology for the formatting part of the process differs depending on whether you're using a Windows computer or macOS.

What will happen if you format your hard drive?

Generally, a quick format will simply delete the data on the drive, while a normal format will erase everything (wipe the drive). The drive in question can be your hard drive, or a removable drive such as a USB. A full format will also scan your disk for any bad sectors and remove them.

How do I make my external hard drive compatible with Mac and PC without formatting?

Try to repair the read-only external hard drive with or without formatting.

  1. Solution 1: Using NTFS for Mac tool.
  2. Solution 2: Enable NTFS read-write with Terminal (not recommend)
  3. Solution 3: Format this external hard drive to exFAT/FAT32.
  4. Solution 1: Change the permission of this external hard drive.

How can I fix my external hard drive without formatting?

How to fix a corrupted external hard drive WITHOUT formatting

  1. On the desktop, open This PC (My Computer) and select the desired external hard drive. Right-click it and select Properties -> Tools -> Click on Check. ...
  2. Use chkdsk.
  3. Use Disk Management. ...
  4. Use diskpart.

Can corrupted hard drive be fixed?

Summary : Hard drive corruption occurs due to file system errors that turn a hard drive RAW. ... To repair a corrupt hard disk, you can format it, which is the simplest way to repair a corrupt drive. But, it causes permanent data loss. However, you can recover your lost data with the help of Stellar Data Recovery software.

How do you fix a hard disk error?

4 Fixes to 'Windows Detected a Hard Disk Problem' Error

  1. Use system file checker to fix hard disk error. Windows provides some basic tools to help repair errors, for example, the system file checker. ...
  2. Run CHKDSK to fix the hard disk problem. ...
  3. Use partition manager software to check and repair hard disk/drive errors.