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MacOS - Dim or Sleep external Display without cutting power to peripherals

I am using a MacBook (M1 MBP Sonoma 14.1.2) with an external display (BenQ P3). The screen acts as a hub and powers my audio interface and external hard drives. Currently my Mac will go to a ...
crz's user avatar
  • 1
3 votes
3 answers
372 views

How do I lock my Mac and have the monitors turn off?

This has been plaguing me. I have my Macbook Pro (Sonoma) plugged into two external monitors. When I lock or sleep my computer, it goes to the Lock Screen with all monitors on. Sometimes, the screens ...
Jordan Arnold's user avatar
2 votes
0 answers
239 views

Some apps seem to sleep while the screensaver runs. How to prevent this in Monterey 12.6.5 with 2014 Mac Mini?

This question is not about keeping the Mac itself from going to sleep... I got that part (settings > energy saver > power > check "prevent your mac from automatically sleeping..."). ...
ConfusionTowers's user avatar
1 vote
1 answer
707 views

How do I prevent MacOS 11.2.3 (20D91) from logging out after some minutes inactivity?

I am running a task on an old iMac. MacOS version is 11.2.3 (20D91). The task is about downloading 8000+ photos from an old iPhone with Image Capture. The task goes on very smoothly if the macOS doesn'...
AGamePlayer's user avatar
  • 1,969
0 votes
0 answers
383 views

How to find an app that blocks the screen saver or auto turns the display off?

Yesterday, my MacBook was on the screen/display for 24 hours non-stop. Below is the "Screen Time" data. I actually wanted to ask why it's happened, but after I asked here I tried to close ...
Muhammad Dyas Yaskur's user avatar
2 votes
3 answers
5k views

Caffeinate : prevent screensaver (Catalina)

I'm running this terminal command on Catalina hoping to keep the system awake and prevent the screensaver to start (without having to disable the screensaver in system preference). caffeinate -d -i -u ...
Kevin's user avatar
  • 2,438
3 votes
0 answers
263 views

macOS: How to determine what interrupted screensaver

I run macOS Mojave 10.14.6 on a MacBook Pro (Retina, 15-inch, Early 2013). TL;DR: How can I find out what interrupted the screen saver? I'm investigating an issue where the screensaver (which ...
tompave's user avatar
  • 565
0 votes
0 answers
129 views

macOS doesn't sleep when password is required 15 minutes after screensaver starts

I run macOS Mojave 10.14.6 on a MacBook Pro (Retina, 15-inch, Early 2013). Except when specified, all settings and behaviours described in this post refer to the Mac connected to a power adapter. My ...
tompave's user avatar
  • 565
2 votes
0 answers
1k views

Screensaver/turn off second screen while not in use

So I've started working with an external monitor connected to my MacBook Pro trough a elgato thunderbolt 2 dock. I've made the external monitor my primary monitor, and since it's ultrawide I rarely ...
Muffin's user avatar
  • 21
3 votes
1 answer
2k views

How to keep lock screen always on when connected to external monitor and charging

I'm using a 3rd party utility to set very eye pleasing wallpapers on my 2013 MacBook Pro running macOS Mojave 10.14.2. Now I don't get to enjoy the beautiful sceneries in the background while I'm ...
avi's user avatar
  • 133
0 votes
0 answers
24 views

Weird Distorted Paint Screen When Waking MacBook Air 2017 (High Sierra)

Once in a while when waking my MacBook Air (from being off the charger and closed to open), I see a weird paint screen flash for a second (probably less then that). It kinda resembles that paint like-...
Randall Hall's user avatar
2 votes
3 answers
9k views

disable screensaver

I stop my computer from sleeping by going into System Preferences > Energy Saver > Power Adapter and sliding "Turn display off after:" to 'Never'. But after a long time the mac screensaver turns on ...
user avatar
0 votes
0 answers
56 views

diskutil eject fails when screensaver is active

Have a bunch of DVD drives connected via USB. Have written some bash scripting to interact with these drives and eject the discs when done. Running MacOS 10.10 (Yosemite)....yes I know, need to get ...
mattpr's user avatar
  • 201
2 votes
1 answer
1k views

Screensaver lost functions since High Sierra upgrade, can't wake screen with keyboard

Since the High Sierra upgrade, I no longer can wake my screen with the "esc" key or by pressing any key or moving my mouse. I have to click the mouse a couple of times to wake the screen. Also, my ...
rswc90's user avatar
  • 21
0 votes
1 answer
95 views

Why is networking slow to start up after exiting the screensaver?

For the past month, networking on my iMac has had strange behavior after waking up from the screensaver. For example, the first website that I visit in Google Chrome (after exiting the screensaver) ...
DanB's user avatar
  • 133
0 votes
1 answer
43 views

Displays won't sleep while screen-saver is running [duplicate]

So, I've got my screen-saver set to come on after 5 minutes, … and my display to sleep after 1 hour: Unfortunately, I get up every morning, and the displays are still running Aerial. I really, ...
ELLIOTTCABLE's user avatar
1 vote
1 answer
868 views

No low battery warning & random restarts

Since I upgraded to macOS Sierra on my MacBook 15" (Mid 2014), I noticed some weird behaviour: When I'm running low on power, it doesn't notify me that my battery is going to die. It just shuts down. ...
23tux's user avatar
  • 181
1 vote
1 answer
571 views

Keep Mac from locking after sleep

A brand new Mac locks after it goes to sleep, or when the screensaver happens. How can I keep the Mac from locking?
DanHolli's user avatar
  • 179
2 votes
0 answers
332 views

Login password not required after sleep

I have an issue where my login password isn't being required after my Mac goes to sleep. In the System Preferences > Security & Privacy pane, I have checked the "Require password ... after sleep ...
Luka Kerr's user avatar
  • 189
0 votes
1 answer
798 views

How do I instantly lock my computer when screen saver delay is on?

I have my security preferences set up to delay for 15 minutes after screen saver turns on and then ask for a password. (I use two computers and don't always notice right away when the screensaver ...
Kramer's user avatar
  • 121
1 vote
1 answer
105 views

Can sleep password and screensaver password timeout settings be different?

In El Capitan, is there a way to separate the request for password when the computer wakes from sleep from the request for password for stopping the screensaver? See System Preferences --> Security &...
Neo Zen's user avatar
  • 13
2 votes
1 answer
386 views

My Mac Mini won't go to sleep

For some reason my mac mini refuses to start the screensaver or go to sleep unless I put the mouse into a hot corner. Energy saver is set to 3 mins as is system sleep. Any ideas would be greatly ...
joachim's user avatar
  • 23
0 votes
0 answers
484 views

Macbook pro external display (while in clamshell mode) won't sleep all of a sudden

before, when I left my macbook pro alone for 15 minutes in clamshell mode the external display would go to sleep instead of putting on a screen saver. Now all of a sudden it goes into screen saver and ...
Neo's user avatar
  • 113
6 votes
2 answers
460 views

Is there a way for locking the screen and putting it to sleep/activating the screen saver to be two different events on a MBP?

This question is very similar to what I want to accomplish, except for the fact that I also want to be able to put the display to sleep at times without triggering it to ask me for a password. I ...
JNat's user avatar
  • 161
44 votes
8 answers
136k views

How can I stop my MacBook Pro from automatically sleeping when I lock the screen?

Whenever I lock my screen (via either the lock icon -> Lock screen or by using the Control+shift+eject key combination), my screen immediately turns off (not showing the screen saver), and the system ...
Martin's user avatar
  • 661
1 vote
1 answer
1k views

How do I change askForPasswordDelay from the command line? dwrite alone doesn't work

I normally run my Mac with a very long password delay on the screensaver. Sometimes, though, I want to reduce the delay to just 1-2 seconds. This command is supposed to reduce the time for the delay ...
vy32's user avatar
  • 3,484
2 votes
1 answer
602 views

Screensaver after morning wake

I would like the screen saver (which shows family photos) to launch each morning when the computer wakes in the morning. I used the Energy Saver option to sleep the computer each night and to wake it ...
Hephaestus's user avatar
4 votes
1 answer
8k views

Why am frequently asked for access to my Keychain?

Since using Migration Assistant to move from an old iMac (2009) to a new MacBook Pro, I find that I'm repeatedly asked for access to my Keychain. Prior to moving to the new machine, once I unlocked my ...
orome's user avatar
  • 12k
0 votes
1 answer
2k views

iMac screen won't turn back on after a sleep session in Windows 8.1

I do a lot of hardware programming, and some of the chips I write applications for don't have IDEs and/or compilers that are compatible with anything other than windows, so I do use Windows quite ...
Fadi Hanna AL-Kass's user avatar
0 votes
0 answers
1k views

Why didn't my Macbook sleep (USB Keyboard/Mouse was connected, lid open)

First off, let's begin with some research that I did before asking this question. Now, in my situation, I was using my Macbook Pro (Mountain Lion) with an Apple USB keyboard connected to the computer....
ecbrodie's user avatar
  • 283
3 votes
3 answers
2k views

Why when I wake my new iMac from Sleep, I have to scrape away a layer of screensaver or Lion linen to log in?

I have a strange problem. I am very good with Macs and all Apple products, but this one has me stumped. I have a new (4 months old) 27" iMac (2.7 GHz Intel Core i5) with Lion 10.7.2 and it works ...
MarkTap's user avatar
  • 69
0 votes
1 answer
2k views

Does Lion allow locking screen on computer sleep and screen saver but not display sleep?

In Leopard, you can configure it so that a password is required when waking the system from computer sleep (i.e. close the lid) or returning from the screen saver, but not display sleep. This allowed ...
g .'s user avatar
  • 3,318
4 votes
1 answer
646 views

Sleeping screen (Cinema Display) keeps waking up. How can I make it sleep until mouse is moved?

I have my Mac Pro (Cyrus) configured not to fall asleep completely but to let the screen sleep when not used for half an hour. I also use the keyboard shortcut for forcing the display to sleep. ...
Andrew J. Brehm's user avatar