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13 votes
Accepted

What happens if I connect a charger via USB-C to an iMac (M1 2021)?

The docking station in question lists iMac as a compatible device but could this damage the iMac, or the docking station itself, because it is always connected and trying to power the iMac? Your iMac ...
Allan's user avatar
  • 103k
8 votes

1 External SSD with OS and all files, used by 2 Macs, possible?

While this may be possible, I'm not sure that it would necessarily reduce the amount of "maintenance" that you need to do. Firstly, there are aspects of the Mac's security that make this ...
benwiggy's user avatar
  • 37k
7 votes

iMac 21" i3 very slow even on clean install of OS

From this article : https://discussions.apple.com/thread/252753807?sortBy=best is looks as though this machine might have the 1Tb fusion drive and it's the HDD part of the setup causing the issue. I ...
Steve Ives's user avatar
6 votes

What happens if I connect a charger via USB-C to an iMac (M1 2021)?

The iMac will not be damaged in any way, as long as USB-C is connected to a correctly implemented charger. The charger tells the computer how much power it could supply (say 85 Watt), and the computer ...
gnasher729's user avatar
  • 1,227
5 votes
Accepted

How can I speed up a slow iMac from 2017?

Here I assume your iMac (21.5 inch, Mid 2017) was original equipped with only a HDD and no SSD. In other words, there was no prior Fusion drive arrangement. In this case, you can only internally ...
David Anderson's user avatar
3 votes

Can someone help resolve confusion over Blender’s GPU not support on macOS?

If I read the Blender requirements correctly, you need an AMD GPU or at least an Intel Skylake CPU on Intel Macs. Your Mac has neither (Skylake CPUs have only been used from the late 2015 iMacs ...
nohillside's user avatar
  • 102k
3 votes

Bluetooth audio is choppy / stuttering

In my experience it has been related to multipoint connection on the headset. Both sony xm series and bose qc series. When turning on the headset, it auto-connects to both the mac and your phone. If i ...
Rune Nilsen's user avatar
3 votes
Accepted

Attempting to repair a split Fusion Drive

As @DavidAnderson pointed it out, the issue was in the protective MBR (the first 512 bytes). The issue was the signature: The signature is supposed to be 0xAA55 and disk1 shows 0xBB55 To solve the ...
Abd's user avatar
  • 41
2 votes

How can I speed up a slow iMac from 2017?

I'd definitely update the HDD to an SSD internally if you can. Using an external SSD is fine, but internal is usually the best option. Additionally, if the RAM is not soldered (which it doesn't look ...
MPL's user avatar
  • 57
2 votes

Installing Windows 11 on Mid-2011 iMac (full install, not Boot Camp) but it BSODs after the Win 11 logo disappears

GUID partition scheme (GPT) is preferred for anyone installing Windows 11 and macOS on a single disk as macOS uses GPT scheme for disk partitioning instead of MBR. Follow the answer by David Anderson ...
onabanjo ademola's user avatar
2 votes

Recover data from fusion drive on late 2015 17 inch iMac which no longer displays (possibly burnt)

"After eventually installing macOS onto the 121.3 GB hard drive." A fusion drive is one virtual volume spread across two separate physical devices. In this case, a 120Gb SSD (for speed), and ...
benwiggy's user avatar
  • 37k
2 votes

How to convert large .mp4 file (~1.5GB) to .gif without my iMac crashing?

For a file this large you won't find a free online converter. As it would take up to much computational power and the resulting .gif file will be a multiple of the 1.5GB input file. Best thing you ...
TinyTowelTree's user avatar
2 votes

Install MacOS without screen on iMac

You can use a second monitor connected to the Thunderbolt 2 port on the back of the iMac, and you can make it the primary monitor. Unfortunately, the settings to do this require MacOS to be installed ...
cmason's user avatar
  • 5,575
2 votes

On Intel era iMac can an Apple update to Mac OS break Boot Camp partiton?

Intel Macs through the 2014 model year either were shipped with a BIOS in the firmware or a BIOS could be installed through a firmware update. Originally, firmware updates were manually downloaded ...
David Anderson's user avatar
2 votes

iMac 2011 10.13.6 High Sierra

Can I avoid disassembling to take out the SSD and format it? Yes. You could try booting to High Sierra Internet Recovery. If successful, you could use the Disk Utility perform operations (such as ...
David Anderson's user avatar
2 votes

My left click is not working in iMac

Too long for a comment, but not enough yet for an answer Two initial thoughts… 1- See if it works if you boot in Safe Mode. Hold the Shift key whilst booting. 2- See if enabling MouseKeys allows you ...
Tetsujin's user avatar
  • 117k
2 votes

iMac (late 2013) w/ High Sierra is very slow; lots of spinning wheels

If memory serves me correctly, you can upgrade the HDD to an SSD. That will instantly give you better performance. I did the same thing with an old white macbook of around the same year. and was good ...
andydavey's user avatar
2 votes
Accepted

iMac 12 mid 2011 model - OS installation issue

In a way, this is a tough question to answer. Apple frequently changes the rules only to change back to the original rules. The only rule that Apple holds consistent is you can solve all your problems ...
David Anderson's user avatar
2 votes

M1 MacBook doesn't see Intel Mac in Target Disk Mode

You cannot use Target Disk Mode (TDM) between Mac computers of differing architectures. TDM was a mode that allowed you to boot your Mac into this mode so the internal drives of the target machine ...
Allan's user avatar
  • 103k
2 votes

1 External SSD with OS and all files, used by 2 Macs, possible?

I've done this with various versions of MacOS, and it works, but it's not a good idea. The best outcome was with a copy of 10.5 (Leopard). I've got some legacy software that won't run on anything but ...
Mark's user avatar
  • 580
1 vote

How to install Windows 7 on early 2009 iMac without Boot Camp

The short answer is no to using a flash drive alone. You are trying to do something that was not available on iMacs until the 2013 model year. Apple has not issued any updates to make this possible ...
David Anderson's user avatar
1 vote

Factory Reset iMac won't boot into recovery mode

You will need to bring a working OS to your Mac or bring it to another computer to wipe. There's likely not enough OS left internally and it won't boot from Internet Recovery. Here's a very excellent ...
bmike's user avatar
  • 238k
1 vote

Repairing scratched black border on the back side of the imac screen

Well, repaired it with a car dye my friend gave me. He said it’s the blackest dye they use to paint cars. Asked him and he sent me the “model”: Standox Basecoat Mix 571 Deep Black
BUKTOP's user avatar
  • 171
1 vote

Can one copy some applications from one volume to another on the same iMac(Ventura)?

TL;DR Yes. Install a new OS on a clean partition on a secondary drive (i.e. the external SSD), then copy the applications from the old Applications folder to the Applications folder on the new ...
Greenonline's user avatar
  • 2,038
1 vote

Issues booting into OS X 10.6.8 (Snow Leopard)

According to everymac.com, the model number A1311 covers the 21.5-inch iMacs given in the table below. Date Pre-Installed OS X Maximum macOS Internet Recovery Capable Standard RAM Late 2009 10.6.1 (...
David Anderson's user avatar
1 vote

Studio Display dimmer than iMacs?

I heard something about a Monitor Profile? In System Settings > Display, there is a preference for the color profile assigned to the display. This is part of the OS color management system, so ...
benwiggy's user avatar
  • 37k
1 vote

Update to macOS Sonoma completely rearranges Desktop

It sounds like iCloud Drive "Desktop and Documents" has been turned on. This stores everything in these folders in iCloud, and synchronises them to your Mac or Macs. First thing is to back ...
benwiggy's user avatar
  • 37k
1 vote

How to handle a kernel_task going wild, wrongly trying to cool my Mac?

Reading the symptoms, this is not for fainthearted DIY, but you need to replace the Power supply. Replace PS It has a loose connection on the AC/DC T2 Sec HeatSink which is located on the power supply ...
Ruskes's user avatar
  • 48.3k
1 vote

Gathering photos from multiple sources on a new iMac

What you call a photo is actually : an image file of a specific event which can take various formats and forms (Raw, jpeg, at various compression levels) and that can take different forms on ...
Hugues's user avatar
  • 555
1 vote

Unable to partition apfs on internal ssd. macOS high sierra

I got it working by erasing the disk with the high sierra recovery, re-installing MacOS, and then partitioning. Now I have big sur and high sierra working perfectly together!
Luke M's user avatar
  • 11

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