Imac 2009 Reinstall Os X

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Annemie

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Aug 3, 2024, 3:36:01 PM8/3/24

to blacatdosge

I know it's a big ask but having installed various anti-virus and malware removal software, (from the App Store) and not uninstalled them correctly, my iMac is running increasingly slowly such that I'm thinking of a complete reinstall.

My printer : HP LaserJet Pro MFP M227fdn . My computer : Apple Imac 10.14 Mojave .
Every morning I can't print - till I reinstall. the reinstall takes about 10-15 min. Can't find any "good" or "stable" DRIVER to download

The wireless status menu on your Mac should also give us quite a lot of information that would help us identify the issue. You can press and hold option-click the WiFi icon and then use shift-command-5 to take the screenshot. Press the space bar when the icon turns into a camera. Share the ping test results and the screenshot with us.

Bonjour locates devices such as printers, other computers, and the services that those devices offer on a local network using multicast Domain Name System (mDNS) service records. The software comes built-in with Apple's macOS and iOS operating systems.

I should take this opportunity to report that the resulting volume, while it did not lead to a reinstallation of the operating system, did successfully boot. It did, however, leave the /macOS Install Data folder on my install partition, which I'm about to delete, since the converted partition already boots into a working installation.

I converted the TimeMachine volume of to APFS as it showed up under the Edit Menu in Disk Utility. I decided that the Boot Volume should also be converted but did not see the Convert to APFS volume under the Edit menu. I know from times past the cmdline DiskUtils has way more options than the GUI. I suspected I could conver to APFS using Terminal+diskutils. I did that conversion to disk0s2 (my HFS+ data volume).

Followed that same advice, I did a dirty re-install of High Sierra Beta 7, that fixed enough of the partition entries and blessing to force it to boot the Disk02s. I just had to be very, very patient, and keep my hands off the mouse and keyboard out of fear of interrupting whatever process it was going through to tie the boot files to the APFS converted disk partition.

It's really not worth the effort of getting it up and running again even if it's just a sacrificial test machine or VM. If it does show Convert to APFS under the Edit menu, give it shot. I converted my TimeMachine volume to APFS, but boot volume wasn't having it. Using Terminal and diskutil cmdline, forced it, but then it wouldn't bless.

I had this same problem happen to me recently. Went to reinstall high sierra (was currently running beta 8), went into recovery mode (Command +R at boot), erased the hard drive in diskutility and reformatted it in APFS encrypted. Went into the reinstall macOS and as it worked through the 8 minutes it would stop at the end with a pop up message saying "Could not create a preboot volume for APFS". This made things interesting so I tried reformatting the drive with the unencrypted APFS and still same error. I eventually made a really stupid move from diskutility and from the disk0 drive itself I right clicked and chose to Erase, somehow thinking what harm could be done at this point, thinking it would erase and reappear. Well that never happened. The internal disk0 drive did not come back. I ended up trying to create a backup from another computer and installing the backup to that. This didn't work either since it couldn't find the internal hard drive.

I created a bootable thumbdrive with high sierra from another computer and used that to boot up, and still the internal drive wasn't an option on diskutility. what eventually worked was somehow the drive appeared when I booted into recovery mode with the install thumbdrive and having another thumbdrive in the internal drive finally appeared. I was able to then format it again as APFS. It then populated when I did the reinstall from the install thumbdrive. After that it worked fine.

In hindsight I know I shouldn't have erased that drive, and I likely could have reformatted disk 1 from terminal and seen if it would repopulated in diskutility then. But either way the lesson here is don't erase the internal hard drive from diskutility. If you get that preboot error I would suggest creating a bootable thumbdrive from another computer and using that to enter recovery mode and doing the install this way.

Hi, I'm currently facing the same "Could not create a preboot volume for APFS" issue after i erased the drive from diskutility. I was on the latest version of High Sierra yesterday. Kindly, give me the lines of code necessary to create the bootable usb (especially with the changes you've mentioned). I'm new to macOS. So please bear with me.

I'm having the same issue on a MAC BOOK AIR 2017. First time it gave the error could not contact sever but after countless efforts I managed to to download via the MAC internet recovery afte the download this error popped up.Is there a solution for this ?

Hi I had the same problem. Did the same thing for about 3 times. Format the drive first to apfs 1.Power down the mac. 2.hold the Option-Command-R and power button. 3.a world logo will show and start loading. 4.reinstall mac os in recovery. 5.no more error "could not create a preboot volume for apsf install" Hope this helps

For various reasons, you want to reinstall macOS on the Mac - just want a fresh start to clean up your Mac, wipe Mac to prepare Mac for sale, or troubleshoot underperformed Mac such as Mac won't turn on, Mac experiencing a macOS kernel panic, macOS Ventura Recovery Mode missing, etc. Then, you can follow this tutorial step by step to reinstall macOS on MacBook Air/Pro/iMac.

Mac Recovery Mode is a special startup mode that can load up many useful troubleshooting and recovery tools without booting up the regular OS. It is the easiest way to reinstall macOS from scratch. A macOS reinstallation cleans the codes of the current operating system and rewrites every line of code for the operating system on your Mac.

Note: Before you start, make sure you have backed up any files you want to keep to an external drive. Even though you don't intend to wipe your MacBook, securing your files is a good idea before OS reinstallation since it is a major procedure.

On an Intel Mac: Shut down your Mac completely and turn it on while holding down Command + R keys simultaneously. Release the keys until you see an Apple logo and your Mac will boot into the macOS Utilities window in the recovery partition.

On an M1/M1 Max/M1 Pro Mac: Shut down your Mac completely, press the Touch ID button to turn it on, and then immediately press down the Touch ID button until you see "Loading startup options". Click Options and then click Continue to boot in macOS Recovery.

After you enter the functioning recovery partition, you will see the macOS Utilities windows. Then you can proceed to format your startup drive and choose to reinstall Mac operating system from macOS Recovery Mode.

However, if you want a truly clean OS reinstallation and a smooth process without interruptions such as this item is temporarily unavailable error, com.apple.BuildInfo.preflight.error, formatting the Mac startup disk is necessary. It is worth mentioning here again - make sure you have transferred your important files to a computer or external storage device.

Step 5. Click Erase Volume Group. This will delete Macintosh HD - Data volume the system created when you upgraded to macOS 10.15 or later and all other volumes you created as a user. Deleting all the volumes can free up space and eliminate possible conflicts for a clean macOS reinstallation. It is very essential when you need to reinstall macOS Big Sur on an M1 Mac.

The thumbnail uses the typical wallpaper of a macOS version. For example, if you are going to install macOS Catalina, it is an island in the sea. If you will install macOS Mojave, it is dessert. Find all macOS versions and know what operating system will be downloaded and installed on your machine.

If you start up an Intel-based Mac using Command + R keys or start an M1 Mac in regular Mac Recovery, you will install the current version of macOS on your Mac. Perhaps, you don't like the current one and want to install old versions of macOS/OS X, it needs extra operations.

You can only reinstall the macOS that came with your Mac on Intel-based Macs. To do so, you need to press down Command + Option + Shift + R keys while turning on a Mac. This will boot to Internet Recovery and download the original version of the macOS installer from Apple servers according to your Mac model.

Or on an Intel Mac only, you can start up your machine with Command + Option + R keys pressed until a spinning globe appears. In this startup mode, after you click the Reinstall macOS feature, it will reinstall the latest macOS that is compatible with your Mac.

This post helps you resolve errors that prevent you from reinstalling macOS, such as "A required download is missing." or "Can't download the additional components needed to install OS X. Read more >>

Unexpectedly, the Command R not working or the recovery partition is damaged, you can't get into Recovery mode, let alone reinstall Mac operating system. However, Recovery mode is not the only way that enables you to reinstall macOS, there are some alternative methods you can use when Recovery mode is not working.

Internet recovery mode. It is an Internet-based version of Recovery Mode. Once the Mac fails to boot into macOS Recovery mode, it will automatically enter the Internet recovery mode to access the macOS Utilities window. You can boot an Apple silicon Mac to macOS Internet Recovery in the same way as the normal macOS Recovery. It requires a stable internet connection.

Fallback recoveryOS mode. This is a unique feature on Apple silicon Mac, the second copy of recoveryOS. From a shutdown state on M1 Mac, press and hold the power button to enter Fallback recoveryOS mode.