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Yesterday, when I unpacked my older iMac (macOS High Sierra ver. 10.13.6) I had no problems, but now it is acting up. The screen is doing slow movements when loading something as if it was planned and my audio (input & output) aren’t working. I went to the system settings and clicked sound, and it is claimed that the sound is off on both input and output, but I cannot change it?
iMac 27″, macOS 10.13
Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.
NOTE 1: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following;
• Verifies your startup disk and attempts to repair directory issues, if needed
• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)
• Prevents Startup Items and Login Items from opening automatically
• Disables user-installed fonts
• Deletes font caches, kernel cache, and other system cache files
NOTE 2: if you have a wireless keyboard with rechargeable batteries connect it with its charging cable before booting into Safe Mode. This makes it act as a wired keyboard as will insure a successful boot into Safe Mode.
Give this a try: boot into Safe Mode according to How to use safe mode on your Mac and test to see if the problem persists. Reboot normally and test again.
NOTE 1: Safe Mode boot can take up to 3 - 5 minutes as it's doing the following;
• Verifies your startup disk and attempts to repair directory issues, if needed
• Loads only required kernel extensions (prevents 3rd party kernel/extensions from loading)
• Prevents Startup Items and Login Items from opening automatically
• Disables user-installed fonts
• Deletes font caches, kernel cache, and other system cache files
NOTE 2: if you have a wireless keyboard with rechargeable batteries connect it with its charging cable before booting into Safe Mode. This makes it act as a wired keyboard as will insure a successful boot into Safe Mode.
Download and run Etrecheck. Be sure to give it Full Disk access before running.
Copy and paste the results into your reply. Etrecheck is a diagnostic tool that was developed by one of the most respected users here in the ASC and recommended by Apple Support to provide a snapshot of the system and help identify the more obvious culprits that can adversely affect a Mac's performance.
Copy the report
and use the Additional Text button to paste the report in your reply.
Then we can evaluate the report to see if we can determine the cause of the problem.
No, I actually have created a new account yesterday. I would like to share a video of it bugging but i cannot. When I enter my password theres some white glitches, which disappear after i logged in, or for example when i go to the launchboard and i click “other” (where you have chess etc.) it literally appears so slow as if it intends to annoy me
I am currently not on my mac, but on my phone, so for now i wont be able to do that, I have made the videos on my phone anyways and i can’t make a snapshot when i am at the login screen since i am not logged in at that moment, right?
I am not sure if I already am in Safe mode, is it this? If not, I failed coming in.
I apologize for it being in German
What does it say?
You should see this at the safe mode boot window in English:
Literally translated it means “safe system boot” so I assume it is the safe mode, so I think I already was in it when all of this happened because I saw it before
Then you're there. Any improvement?
Have you installed and run any "cleaning", "optimizing", "speed-up", anti-virus or VPN apps on your Mac?
You might be able to take a screenshot at that point by using the key combination of
(⌘⬆︎3) Command-Shift-3 Capture the screen to a file
I think that's how I got my screenshot.
iMac acting up
