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  1. Boot your MacBook Pro with your High Sierra createinstallmedia pendrive
  2. Open Terminal and run “csrutil disable” it’s really important to do this before everything
  3. Reboot to your MacBook Pro hard disk.
  4. Erase your High Sierra pendrive
Do that. I'll post the rest, startosinstall, in a minute - need to download 10.13.6 install from my NAS.
[doublepost=1534207303][/doublepost]You will need the 10.13.6 full installer on your MacBook Pro, download it if you don't have it.
[doublepost=1534207359][/doublepost]Run the startosinstall and install High Sierra on a HFS+ drive with this command, remember to change your pendrive name:

Code:
/Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/startosinstall --volume /Volumes/YourPendriveName --converttoapfs NO
[doublepost=1534207504][/doublepost]After you have your pendrive with High Sierra installed, copy your full installer from your MacBook Pro Applications folder to the Applications folder of your pendrive.

Boot your Mac Pro from your pendrive/USB disk, then run the High Sierra installer and upgrade your firmware.
 
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  1. Boot your MacBook Pro with your High Sierra createinstallmedia pendrive
  2. Open Terminal and run “csrutil disable” it’s really important to do this before everything
  3. Reboot to your MacBook Pro hard disk.
  4. Erase your High Sierra pendrive
Do that. I'll post the rest, startosinstall, in a minute - need to download 10.13.6 install from my NAS.
[doublepost=1534207303][/doublepost]You will need the 10.13.6 full installer on your MacBook Pro, download it if you don't have it.
[doublepost=1534207359][/doublepost]Run the startosinstall and install High Sierra on a HFS+ drive with this command:

Code:
/Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/startosinstall --volume /Volumes/YourPendriveName --converttoapfs NO

OK, should I do Step 4. in disk utility or just manually deleting everyone on the drive?
 
I prefer erasing with Terminal, but you can try with DiskUtility too.
[doublepost=1534210736][/doublepost]Any progress @Spudner?
 
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  1. Boot your MacBook Pro with your High Sierra createinstallmedia pendrive
  2. Open Terminal and run “csrutil disable” it’s really important to do this before everything
  3. Reboot to your MacBook Pro hard disk.
  4. Erase your High Sierra pendrive
Do that. I'll post the rest, startosinstall, in a minute - need to download 10.13.6 install from my NAS.
[doublepost=1534207303][/doublepost]You will need the 10.13.6 full installer on your MacBook Pro, download it if you don't have it.
[doublepost=1534207359][/doublepost]Run the startosinstall and install High Sierra on a HFS+ drive with this command, remember to change your pendrive name:

Code:
/Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/startosinstall --volume /Volumes/YourPendriveName --converttoapfs NO
[doublepost=1534207504][/doublepost]After you have your pendrive with High Sierra installed, copy your full installer from your MacBook Pro Applications folder to the Applications folder of your pendrive.

Boot your Mac Pro from your pendrive/USB disk, then run the High Sierra installer and upgrade your firmware.

Success! Great workaround, brah!

One thing I remembered while going through these steps was that the previous owner had High Sierra running on a 1TB HDD. I wonder why it still needed a firmware upgrade after I bought it.

I wonder if I can use this flash drive trick on my 2010 iMac and the failed initialization of its Western Digital HDD.
 
There have been a ton of firmware updates for the venerable 2010 Mac Pro lately. After years of neglect, Apple for some reason decided to breathe a little new life into the platform and has been pumping out firmware updates like crazy--I think four so far this year, including the newest one released today with the most recent beta of macOS Mojave.
 
There have been a ton of firmware updates for the venerable 2010 Mac Pro lately. After years of neglect, Apple for some reason decided to breathe a little new life into the platform and has been pumping out firmware updates like crazy--I think four so far this year, including the newest one released today with the most recent beta of macOS Mojave.

Surprising. Maybe it's subconscious move indicating that they have no faith in the upcoming 2019 Mac Pro.

Regarding your last statement, does this mean our 5,1s will be compatible with Mojave without hacks?
 
Surprising. Maybe it's subconscious move indicating that they have no faith in the upcoming 2019 Mac Pro.

Regarding your last statement, does this mean our 5,1s will be compatible with Mojave without hacks?

The 5,1 is officially supported by Apple on Mojave. The only caveat is that you'll have to purchase a new video card and replace your GT120. Mojave requires a Metal-capable GPU, and there are NVidia and AMD options that will work (but AMD has better driver support). Apple has recommended two cards specifically, the MSI RX 560 and the Sapphire Pulse RX 580.

The caveat for now is that the recommended cards are not "Mac edition" cards and as such will not show the bootscreen (nor the boot picker or FileVault password-entry prompt). Some of us still hold out some small hope that Apple will figure out a solution for that, but even if not, the 5,1 runs the actual OS just fine.
 
Success! Great workaround, brah!

One thing I remembered while going through these steps was that the previous owner had High Sierra running on a 1TB HDD. I wonder why it still needed a firmware upgrade after I bought it.

I wonder if I can use this flash drive trick on my 2010 iMac and the failed initialization of its Western Digital HDD.
Nice! Did you checked what’s your iMac BootROM?
[doublepost=1534220245][/doublepost]
There have been a ton of firmware updates for the venerable 2010 Mac Pro lately. After years of neglect, Apple for some reason decided to breathe a little new life into the platform and has been pumping out firmware updates like crazy--I think four so far this year, including the newest one released today with the most recent beta of macOS Mojave.
6, since the first APFS beta support on High Sierra betas in July last year.
 
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Nice! Did you checked what’s your iMac BootROM?
[doublepost=1534220245][/doublepost]
6, since the first APFS beta support on High Sierra betas in July last year.

I can't remember off hand but I will check tomorrow. It's pretty outdated though, as I was using OS Mountain Lion up until I put in the new hard drive last week. I quickly tried your flash drive trick tonight, but of course, it could not update anything before High Sierra firmware. I am currently downloading a High Sierra combo EFI update. Maybe that will get the iMac going.

One of the reasons I stayed with Lion and then Mountain Lion was due to the RSS feed capability in Mac Mail. Sucks that they got rid of that. Was really convenient. You could forward and send RSS updates with great ease and you could see your email and RSS feeds all in one place.
 
I can't remember off hand but I will check tomorrow. It's pretty outdated though, as I was using OS Mountain Lion up until I put in the new hard drive last week. I quickly tried your flash drive trick tonight, but of course, it could not update anything before High Sierra firmware. I am currently downloading a High Sierra combo EFI update. Maybe that will get the iMac going.

One of the reasons I stayed with Lion and then Mountain Lion was due to the RSS feed capability in Mac Mail. Sucks that they got rid of that. Was really convenient. You could forward and send RSS updates with great ease and you could see your email and RSS feeds all in one place.
With really outdated BootROMs you need to first install El Capitan, than upgrade to High Sierra.

You can download El Capitan for old Macs directly from Apple, open the link on your iMac. https://itunes.apple.com/us/app/os-x-el-capitan/id1147835434?mt=12

P.S. You cannot download that ElCap version on 10.12/10.13/10.14.
 
Would I do that in recovery mode, since I can't initialize the new drive?

Wait, you replaced your hard drive and it's not recognised? Did you booted from the 10.13.6 pendrive and opened SystemProfiler? No HDD?
Screen Shot 2018-08-14 at 03.47.18.png


Whats the exact model for the HDD?
 
Wait, you replaced your hard drive and it's not recognised? Did you booted from the 10.13.6 pendrive and opened SystemProfiler? No HDD?View attachment 775887

Whats the exact model for the HDD?

Yes, Smart Status: not supported. Can't partition or erase the drive.

I get the following failure message after attempting an erase in Disk Utility:

"Unmounting disk creating the partition map
Wiping Volume data to prevent future accidental probing failed
Operation Failed."

I'll have the specs on the HDD tomorrow morning.
 
Yes, Smart Status: not supported. Can't partition or erase the drive.

I get the following failure message after attempting an erase in Disk Utility:

"Unmounting disk creating the partition map
Wiping Volume data to prevent future accidental probing failed
Operation Failed."

I'll have the specs on the HDD tomorrow morning.
Did you check for SMART failure? It's new or used?
 
My iMac's boot Rom version is IM112.0057.B01.
[doublepost=1534230030][/doublepost]
Did you check for SMART failure? It's new or used?

Yeah, the old drive (original that came when I bought the iMac) had a SMART failure about two months ago but continued to work. I took it out and put in a WD HDD 2 TB (new).

I wonder if it's even worth upgrading.
 
My iMac's boot Rom version is IM112.0057.B01.

Current one: IM112.005D.00B.
  • iMac11,2 005D 00B
[doublepost=1534230144][/doublepost]
Yeah, the old drive (original that came when I bought the iMac) had a SMART failure about two months ago but continued to work. I took it out and put in a WD HDD 2 TB (new).
Did you used the drive on another Mac?
 
Oh, found it. It's WDBH2D0020HNC-NRSN.
Searched for some time and found ZERO info about the type of format/size of sector, even on WD spec page. On CNET was 512Hz, hahahahhahahaha

Tomorrow I'll search again.
 
Searched for some time and found ZERO info about the type of format/size of sector, even on WD spec page. On CNET was 512Hz, hahahahhahahaha

Tomorrow I'll search again.

Just doing the combo update now. So far, looks like it’s going to work. 46 minutes left in the install.
[doublepost=1534266441][/doublepost]UPDATE: Tried a disk utility erase of the iMac HDD with the newly installed 10.13.6 combo update installed but still getting the same failed message.

For the record, the exact SSD tsialex helped me to successfully install as a boot drive on my MP 5,1 (2010) is the Samsung v-NAND SSD 860 EVO (SATA 6Gb/s, Model Code: MZ-76E500B/AM) using a newer tech AdaptaDrive.
 
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Just doing the combo update now. So far, looks like it’s going to work. 46 minutes left in the install.
[doublepost=1534266441][/doublepost]UPDATE: Tried a disk utility erase of the iMac HDD with the newly installed 10.13.6 combo update installed but still getting the same failed message.

For the record, the exact SSD tsialex helped me to successfully install as a boot drive on my MP 5,1 (2010) is the Samsung v-NAND SSD 860 EVO (SATA 6Gb/s, Model Code: MZ-76E500B/AM) using a newer tech AdaptaDrive.
Take a picture of diskutil list on your iMac.
[doublepost=1534267239][/doublepost]Download and install DriveDX on your pendrive, open it and take a picture of the SMART status of the WD disk.

https://binaryfruit.com/drivedx
 
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