High Sierra won't start after dosdude patch. Thread starter dtrimble; Start date Jan 12, 2018. I have High Sierra running on a mid 2009 MacBook pro 5.5 using the patch tool and it runs absolutely perfect even after the latest update with the specter and meltdown patch from apple. Running High Sierra on the Mac Pro3,1.

FonePaw - Solution - Upgrade - macOS Installation Stuck

macOS installation problem happens all the time. After downloading the macOS installer, you try to install the macOS Catalina/Mojave, macOS Sierra or High Sierra but the installation get stuck. The progress bar has been stuck at 40% or something, showing: 'Installation is in progress. Calculating time remaining..'

If your macOS update also get stuck at 'Installation is in progress. Calculating time remaining..' Here shows you how to confirm if the installation is still going on and how to complete the update successfully.

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1.Check If the Install is Still Going on

Sometimes, it just takes a very long time for you MacBook or iMac to install the macOS Sierra or High Sierra update. So it doesn't necessarily mean that the macOS installation is frozen when the Mac stay at “20 minutes remaining” for two hours. And forcing restarting a Mac during OS installation may cause data loss. Therefore, before taking further action, press Command + L , which will open the log file and shows you if the installation is still going on and the amount of time left.

If you confirm that the installation is frozen, try the following methods to fix.

Pathfinder

2. Force Restart Your Mac

Hold down the power button to power off the Mac. Then restart the Mac. After the Mac reboots, try to install the macOS Catalina, Mojave, High Sierra again.

If the installation get stuck when you try to update the Mac from Mac App Store, you may download macOS software from Apple website, which is the Combo updater which includes all the files required to update the macOS.

3. Install macOS in Safe Mode

Another way to install Catalina, Mojave, Sierra or High Sierra successfully is to install the macOS in safe mode. To get your Mac into Safe mode:

As you Mac start up, hold down the Shift key until the Apple logo appears.When you Mac is in Safe mode, go to App Store and get the High Sierra update.

4. Reset the NVRAM

If the Sierra or High Sierra installation is still won't complete in Safe mode, you can try to reset the NVRAM. NVRAM is a memory section on your Mac that store data like volume settings, screen resolution.

To reset the NVRAM on Mac, restart Mac and hold down Command + Option + P + R.The Mac will restart with options in NVRAM resetting. Now try to update your Mac.

5. Reinstall macOS in Recovery Mode

This will help you to install macOS Sierra or High Sierra and newer versions, without data loss.

  • Restart your mac and hold down the Command + R to boot your Mac into Recovery mode.

  • Click Disk Utility and choose First Aid for your startup drive.

  • Restart the Mac again when this time, press Command + Option + R to get your Mac in Internet Recovery mode.

  • Choose Install a new copy of MAC OS and wait for the installation to complete.

If you have a Time Machine backup, restore your Mac from the backup in Recovery mode. After the restoration, try to install the macOS again.

6. Clean Install from External Drive

If none of the above methods work for your Mac, you can try to clean install the macOS Sierra or High Sierra from external drive. Here is the complete guide of how to clean install macOS High Sierra on Mac.

7. Recover Mac Files When Catalina/Mojave/High Sierra Installation Is Stuck

After fixing the frozen macOS installation issue, you may found some files missing on your Mac. If so, you can use FonePaw Data Recovery to recover the deleted data from Mac. The program can restore the missing documents, photos and more from hard drive, SD card, USB drive on Mac and Windows PC. Download the Mac version of FonePaw Data Recovery to have a try.

DownloadDownload
Spotify audio converter free mac.

Step 1. Run the program.

Step 2. Select one or all categories: photos, videos, audio, documents, email or others. Then select the hard drive of your Mac. Click Scan.

Step 3. Once the scanning is stopped, you can view the deleted files and choose the needed one to recover to your Mac.

If the macOS installation on your Mac is still stuck or frozen, describe the problem below.

Rating: 4.3 / 5 (Based on 59 ratings)Thanks for your rating.
Professional Data Recovery wizard works for deleted files recovery on your Windows computer.
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Related your Wifi connectivity issue on your Mac device here are the top best possible solutions work all time when you can’t turn or enable wifi from your Mac running on macOS Catalina, OS X Mojave, High Sierra, Sierra, EI Capitan, Yosemite, Mavericks and any other or after updating your OS X. in the case when you turn Wifi and showing black triangle outline of the shape and not turning on, Mostly Wifi issues got user on OS X version 10.13, 10.14, 10.15 or Other OS version. Are you one of them? Your home and office Wifi not working on Mac but other devices working very well then just try the below steps perfectly.

Mac WiFi Won’t connect to the public Wireless network or Personal Hotspot. There should be network error and Hardware fault in rare cases.

we are happy to help you, submit this Form, if your solution is not covered in this article.

The fixed solution on WiFi not working on Mac OS X: Solutions

Check Hands-on Video To Fix macOS Catalina WiFi Issues & Earlier Mac OS X

Related Readings

Exclamation mark point issues on WiFi symbol on Top Menu

Renew or Get a new DHCP Lease address that refreshes or creates a new connection with a new ipv4 address, Subnet Mask and Router. Follow the below steps to fix if your Mac is Dropping or Unable connect WiFi network.

  1. Go to the Apple Menu on Mac. Next Click on the System Preference option.
  2. Here’s go to Network option, First is WiFi in the left panel or popup windows. After connecting if you are getting an exclamation mark, Keep Selected WiFi.
  3. Now, Find the Advanced. option there, Go to TCP/IP section from above multiple tabs.
  4. here’s you will see three IP addresses if no IP address then assigns manually to your Mac. by Click on Renew DHCP Lease.
  5. Now, Try to Connect the Same wifi after disconnected.

WiFi issues are the same after making the changes in IP Address

Remove/Delete WiFi Profile on Mac’s Network Settings & Add WiFi Profile

  1. Delete WiFi network Profile from Network System Preference. Remove the WiFi network and Add again,
  2. Go to the Apple Menu on Mac > System Preference > Network > Now, Select & highlight WiFi Profile > Click on Minus sign to remove from the list [minus sign is available in the same panel] > Apply.
    Add a New WiFi Profile again, Click on “+” sign and select WiFi from the list of Interface dropdown. and Give a WiFi Name. and click on the Create button.
  3. Now Click on advanced Button.
  4. Select TCP/IP Tab, and click on the Renew DHCP Lease button to get updated ipv4 Address, Subnet Mask, Router address.
  5. Now Move to DNS Tab, and Click on Plus Sign to add new Google IP address, 8.8.8.8 and again click on plus to Ann second IP, 8.8.4.4.
  6. Now Move to Hardware Tab, Configure to Manually, And MTU set Custom, and Enter 1453. Now Tap on Apply to save the changes.

Sometimes this WiFi Profile Update, Also Fix Auto Disconnecting WiFi from Mac.

Now Turn off WiFi from Top Mac WiFi Menu, and Turn on Again.

Now Follow the Other Most Common WiFi Problems that you fix after that.

  • Restart Your Mac [Apple logo > Restart or Use the Power button on Mac]
  • Go with Network Diagnostics [Apple Logo > System Preferences > Network > WiFi > Select Active WiFi Network].
  • Restart your Router [Turn off the power supply and Turn on-again, Wait for 2 minutes and Try to connect WiFi again].
  • Test Google.com in Different Browser.
Start

Find our More Cases and Troubleshooting guide that really fix WiFi issues on Mac after Update or install macOS Mojave or macOS Catalina.

Case 1: on the new update you might occur problems on PRAM memory and information that should be not updated successfully after update/Restore from old OS X. Some of the time PRAM memory use an external battery, so it might be not working and out of date battery cant able supply power, in this case, you have to replace it.

Case 2: in case of security purpose, are you using WEP encryption method, that means you can’t use 802.11b, Because Apple’s Airport standard hooked up with Wifi or Ethernet, Verify that Extreme card should be compatible with 802.11g and WPA2.

Case 3: iCloud might be crashed and turn off in this case you have to resolve it.

Case 4: Software update setting might be corrupted, Fixed it be updated or restore old OS X.

Case 5: Verify that if your devices running through Wifi Router and not be updated with the latest firmware cause giving error and WiFi not working on Mac OS X.

Case 6: Distance Between your router and Mac device should not be closer than 1 meter and not longer than 50 meters.

Case 7: Contact your ISP (internet service provider) and Check it for the valid domain name.

Case 8: in you want wifi on hotspot connection and getting an error on particular browser surfing, Then try on other browsers Chrome, Mozilla, Opera and Other.

Case 9: Turn off Wake for network option inside the Energy Saver setting, Apple Menu > System Preference > Energy Saver. Easy solution for WiFi not working on Mac Mojave, OS X 10.9.3, OS X 10.9.4, 2013 iMac

Case 10: Many Users experience against some antivirus that has been blocked some wifi port and a cant open web browser or Application.

You might also like: How to set a password on Mac WiFi hotspot

Here listed cases are possible solutions recommended by brody for fixed network issues in case Wifi not working on Mac Mojave or macOS Catalina, OS X, iMac, MacBook Pro, MacBook Air, and Others. After that, you can’t short out your wifi issue than contact Apple support.

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We are happy to help you! Follow the next Step if Your Solution is not in this article, Submit this form without Sign Up, We will revert back to you via Personal Mail. In Form, Please Use the Description field to Mention our reference Webpage URL which you visited and Describe your problem in detail if possible. We covered your iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone 8(Plus), iPhone 7(Plus), iPhone 6S(Plus), iPhone 6(Plus), iPhone SE, iPhone 5S, iPhone 5, iPad All Generation, iPad Pro All Models, MacOS Catalina or Earlier MacOS for iMac, Mac Mini, MacBook Pro, WatchOS 6 & Earlier on Apple Watch 5/4/3/2/1, Apple TV. You can also mention iOS/iPadOS/MacOS. To be Continued..

Jaysukh Patel is the founder of howtoisolve. Also self Professional Developer, Techno lover mainly for iPhone, iPad, iPod Touch and iOS, Jaysukh is one of responsible person in his family.
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