Nov 01, 2019 #5. Mac Should Be Restarted in Recovery Mode: Ensure that you are connected to the Internet. Internet connection is needed to install Mac OS X. First, restart the Mac by clicking on Apple and then restart and hold on the Command and the R keys until you see the Recovery Mode utility window. Step 3.Reinstall Mac on your MacBook Pro. Once the Disk Utility is closed, the Mac OS reinstallation window will present. Pick Reinstall MacOS or Reinstall OS X, you MacBook Pro will start connecting to Apple servers and downloading the Mac OS automatically through Wi-Fi network or Ethernet.

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When people are planning to sell the old MacBook Pro, or trying to fix issues on a MacBook Pro by doing a clean install of software, they first need to restore the computer to factory settings. It is the best way to wipe a Mac and able to erase all the data and content from a Mac. It is easy said than done. A MacBook Pro usually connects to iCloud, iTunes and other Apple services. To factory reset MacBook Pro, you have to do more than resetting a smartphone. Don't worry! This tutorial enables you to perform an unblemished factory reset MacBook Pro.

Part 1: What is factory reset a MacBook Pro?

Before you factory reset MacBook Pro, you may be still confused about what is factory reset and why do it. Briefly, factory reset is to erase all personal data and content from a device permanently and return it to factory conditions in the box.

People prefer to store photos, documents, iTunes account and other information on Mac computers. Factory reset is the best way to protect your privacy and information when you want to sell your MacBook Pro or put it to another hand.

On the other hand, factory resetting MacBook Pro is an ultimate solution to resolve various problems. Problems and complaints emerge continuously since MacBook Pro has been launched, such as blue screen, responding incorrectly and more. Factory reset is the latest means to fix a MacBook Pro before giving it up completely.

Part 2: Preparation before factory reset MacBook Pro

System Reset For Mac

As said before, factory reset MacBook Pro is a little complicated than other devices, partly because there are more work about preparation, including backup, sign out iTunes, iCloud and other accounts.

Step 1. Create a backup for your MacBook Pro

To avoid data loss, backup everything on your Mac is necessary before factory resetting MacBook Pro. There are two methods to create a backup for MacBook Pro.

Reset Mac Password

To back up your device, plug a large enough USB flash or external drive, go to System Preferences-> Time Machine, select Backup Disk, then follow the onscreen instructions to format the drive and transfer all files you want to back up.

Another way is to clone entire hard drive. The programs, like Carbon Copy Cloner and SuperDuper, could copy all data and information on your hard drive to an external hard drive.

The difference between backup with Time Machine and cloning is that former supports selectively copying. Cloning a hard drive means copy all information, including errors, malfunctions, configuration issues and even viruses.

Step 2. Sign out all accounts and services on your Mac

This step includes disabling iTunes, iCloud, FileVault and other apps link to your hardware. iTunes supports to set up to five Mac devices with one account. Disabling iCloud could remove some of personal content from Mac. And the FineVault is designed to encrypt your files on hard drive. So it is better to turn off these services before factory reset MacBook Pro.

  • 1. De-authorize iTunes. Start iTunes, click Store and then Deauthorize This Computer, input your Apple ID and password and hit De-authorise to confirm it. If you use an old version of iTunes, the Deauthorize This Computer is in Account > Authorisations.
  • 2. Turn off iCloud. Open iCloud in System Preferences, click Sign Out Now and then hit Delete from Mac on each popup dialog.
  • 3. Sign out FileVault. Go to System Preferences-> Security & Privacy-> FileVault and turn off File Vault. You will be prompted to enter your password to confirm it.

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Besides three services above, you may need to sign out other apps, such as Adobe Photoshop, Netflix and more. And if your MacBook Pro has Touch Bar, you also need to remove any Apple Pay card information.

Part 3: Start factory resetting MacBook Pro

After backup and sign out various services, you can feel free to start factory resetting MacBook Pro

Mac osx reset to factory

Step 1. Boot your MacBook Pro in Recovery Mode

Click the Apple logo at the upper left corner of the screen and select Restart, then press and hold down the Command and R keys until Apple logo appears on the screen.

There are three key combinations of Mac OS Recovery, Command + R, Option + Command + R, and Shift + Option + Command + R. The first will install the latest Mac OS version without upgrading. The second will upgrade to the latest Mac OS. And the latter will install the Mac OS that came with your MacBook Pro.

Step 2. Erase your MacBook Pro's hard drive

When the Recovery Mode Utilities window shows up, pick Disk Utility and click Continue. Select your main hard drive usually called Macintosh HD.

Click the Erase button on top ribbon of Disk Utility to start erasing your hard drive for factory reset MacBook Pro. When it is done, close the application by clicking Disk Utility and then Quit Disk Utility.

When choose hard drive, you should look for the disk name, but not the volume name.

Step 3. Reinstall Mac on your MacBook Pro

Once the Disk Utility is closed, the Mac OS reinstallation window will present. Pick Reinstall MacOS or Reinstall OS X, you MacBook Pro will start connecting to Apple servers and downloading the Mac OS automatically through Wi-Fi network or Ethernet. The Mac OS version reinstalled depends on the key combination that you used in step 1. After reinstallation is complete, your MacBook Pro will restart. If you want to continuously use your computer, log in with your Apple ID and password. Otherwise, hold down Command + Q to skip the setup process.

The guides above are universal process of factory reset MacBook Pro. The detail menus may differ slightly depending on the version of iTunes, Mac OS and MacBook Pro you are using. Even though it may not match exactly, that's OK since the meaning is the same.

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Conclusion

In this tutorial, we have told you how to factory reset MacBook Pro. There are a number of reasons that you need to reset your MacBook Pro to its factory settings. Perhaps, you will sell it and wipe your data off of it. Maybe it is not working properly or infected with virus. Anyway, you will find that factory reset MacBook Pro is not as difficult as you thought if you follow our guides above. To return your MacBook Pro to factory status, you'd better back it up first. And the final step, re-install the Mac OS, needs the internet connection. If you have any questions about factory reset your MacBook Pro, please leave a message below this post.

TCP/IP overview: why reset?

Contents

  • TCP/IP overview: why reset?
  • Reset TCP/IP on Windows

TCP/IP stands for Transmission Control Protocol/Internet Protocol. The TCP part allows establishing connection between two endpoints and dictates how data is sent and received. It also ensures reliable and in-order delivery of packets. The IP part only deals with packets. In simple words, TCP IP is a set of communication protocols that are used to interconnect network devices on the Internet.

TCP/IP Reset reverts computer’s Internet Protocol settings to default and often solves connection issues. Resetting these settings is a common practice when dealing with “This Site Can’t be Reached” or “Unable to Connect to the Internet”or “Hmm… cannot reach this page” grey pages with error codes DNS_PROBE_FINISHED_NXDOMAIN or INET_E_RESOURCE_NOT_FOUND.

Please use the navigation panel to quickly navigate to the information on how to reset TCP IP specifically on your Windows OS version.

Reset//rest Mac Os Download

Explanation of CMD commands for fixing network problems

Reset//rest Mac Os Catalina

You can use different commands to reset certain network settings. However, don’t forget to run Command Prompt with Admin’s privileges first. Otherwise, TCP/IP reset won’t work. Otherwise, you might get Access is Denied error.

  • Netsh int ip reset – sets Internet Protocol Settings to default. The command rewrites two registry keys: SYSTEMCurrentControlSetServicesTcpipParameters
    SYSTEMCurrentControlSetServicesDHCPParameters
  • Netsh Winsock reset – Resets Winsock Catalog to clean state. Winsock, in general, handles Internet application input/output requests.
  • netsh interface ipv4 reset – resets all changes to IPv4 settings.
  • netsh interface ipv6 reset – resets all changes to IPv6 settings.
  • Ipconfig /release command gives up client’s IP address received from DHCP server. The /release command sends the server a DHCP releate notification so that the old IP address could be marked as available and used by other clients.
  • Ipconfig /renew – this command is used to request a new IP address as well as fresh DNS data from DHCP server.
  • ipconfig /flushdns command is used to clear the DNS cache and force hostnames to be resolved freshly and use the new DNS data. Check our a full guide on flushing DNS on Windows, Mac, Linux, Ubuntu.
  • netsh advfirewall reset – resets Windows Firewall rules to default.

The following guide uses netsh int ip reset command. However, feel free to use additional commands listed above if needed.

Reset TCP/IP on Windows

Windows 10

  1. Depending on your taskbar, either click on magnifying glass icon in the taskbar to open Windows search or, if the search bar is visible, start typing CMD.
  2. Search will bring you Command Prompt result. Right-click it and choose Run as Administrator.
  3. At this point, the User Account Control window should show up. Click Yes. Otherwise, enter the Admin’s password.
  4. In the command prompt, type netsh int ip resetand press Enter. Wait until the TCP/IP reset finishes.
  5. Restart your computer.

Windows 8/8.1

In order to reset TCP/IP on Windows 7, follow the provided guidelines.

  1. Press Windows key + R to launch Run prompt. Type cmd in it and press Ctrl+Shift+Enter to run it as Administrator.
  2. In User Account Control Window, click Yes. Otherwise, enter Administrator’s password to continue.
  3. In CMD, type netsh int ip reset and press Enter.
  4. Wait for a full reset and then restart your PC.

Windows 7/Vista

  1. Click the Windows icon in the bottom left corner and then type CMD in the search bar.
  2. Windows 7 search will bring either CMD or Command Prompt under Programs section. Right-click this result and choose Run as Administrator.
  3. Click OK or enter Admin’s password to continue.
  4. In Command Prompt, type netsh int ip reset and press Enter.
  5. Wait until TCP IP reset is finished and then restart your PC.

XP / 2000 / NT / 98

  1. Click Start > All Programs > Accessories.
  2. In Accessories, find Command Prompt. Right-click it and select Run As… Then choose The following user, choose Administrator, enter password and click OK.
  3. In CMD window, type netsh int ip resetand press Enter.
  4. Reset TCP/IP process will finish shortly. Restart your PC afterward.

TCP/IP Reset on Mac

On MacOS or Mac OS X computers, TCP IP reset is known as Renew DHCP Lease. Follow the given instructions to reset your Internet protocol settings.

  1. Click on Apple icon in the top left corner and then select System Preferences.
  2. Now, open Network.
  3. Click on Internet connection with status Connected. Then click Advanced button in the bottom left corner.
  4. Open TCP/IP tab and click Renew DHCP Lease.
  5. Press OK to complete the task.
  6. Restart Mac.

After completing these instructions, your TCP/IP stack will be reset.

Norbert Webb is the head of Geek’s Advice team. He is the chief editor of the website who controls the quality of content published. The man also loves reading cybersecurity news, testing new software and sharing his insights on them. Norbert says that following his passion for information technology was one of the best decisions he has ever made. “I don’t feel like working while I’m doing something I love.” However, the geek has other interests, such as snowboarding and traveling.

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