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Questions tagged [sleep-wake]

Putting a device into a low-power mode where only RAM is powered to conserve power at the expense of time to resume operation

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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 ...
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1answer
13 views

Kernel Panic upon wake from sleep

my TB MBP (Mojave) has been panicking quite often lately upon waking from sleep, and here's the latest panic report: Anonymous UUID: 27FCCF62-843B-76C2-32A6-3E4F215D3E53 Sun Feb 10 13:24:22 ...
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1answer
40 views

How can I find out when my Macbook Pro turned itself on?

I'm trying to track down a problem where my MPB occasionally turns itself on while still closed. Perhaps if I can identify the time it happens, it will reveal something useful. In the most recent case,...
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20 views

Macbook Pro starts by itself, with lid closed, since upgrading to Mojave

Three times since upgrading to Mojave a few weeks ago, my mid 2014 Macbook Pro has spontaneously switched itself on, with the lid fully closed. This is happening many hours after I shut it down (...
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Upgraded to 16gig ram mid 2010 macbook pro core2duo, slot missing and computer not waking up

I upgraded my ram as was specified online, 1066Hz, it worked. But then, if my computer reads 16 gigs of ram, when I close my lid, it won't wake up anymore. I force shutdown with the power button, ...
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54 views

My iMac keeps crashing

I have a 27" Late 2013 iMac with 8GB RAM and a NVIDIA GeForce GTX 775M (2GB) GPU. Last year my iMac started crashing now and then. Not only that, when it's in sleep mode it just falls out. I have to ...
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21 views

Entering Sleep state due to 'Low Power Sleep': Using AC (Charge:53%) 46 secs [duplicate]

This question is def. not a duplicate of the ones linked. "Your Battery is Dead", I'm afraid, is not the solution. Edit: The event did not happen with AC plugged in, it happened on battery. I then ...
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8 views

MacBook reboots during a long sleep if FileVault is turned on

I've turned on FileVault on my MacBook Pro 2018 (High Sierra) and immediately after this the MacBook started to reboot randomly (mostly) when in sleep. First I noticed that after putting my Mac into ...
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2answers
38 views

How to make a Macbook Pro lock and not sleep when connected to power? [duplicate]

My 2018 MacBook Pro is connected to external displays and peripherals via a Thunderbolt 3 dock. When I step away from my desk I lock the computer by pressing ctrl+cmd+Q on my external keyboard. This ...
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1answer
51 views

Screen blinking “HDMI no signal” when Mac is sleeping

I usually leave my computer, and let it go to sleep after 15 minutes. My external screen is showing a blue screen saying "HDMI no signal" every other minute while my MacBook is asleep, and the screen ...
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1answer
102 views

Keep iPad always on and locked to one app. In >iOS 12

Ive got an iPad mini 4 in a wall mount like this here. I want to set the iPad screen to be constantly on, locked to one app. Prior to iOS 12 i was able to do this by A) setting the sleep setting to "...
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41 views

What's causing my MacBook to freeze and reset keyboard settings when I bring it back from a long sleep?

The problem: I recently got a 2018 15-inch MacBook Pro running MacOS 10.14.2 (Mojave). I'm running into a really long freeze when I bring it out of a long sleep (e.g. by opening the lid after ...
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1answer
48 views

Can OSX still sync dropbox while “asleep”?

If a Mac Mini running macOS 10.11 is in sleep mode, but powered on and connected to the network, will Dropbox still sync in the background?
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22 views

2018 MBP “Forgets” Resolution, Force Reboot

macOS seems to have a problem with USB-C external monitors. My resolution is 4K, scaled up slightly to accommodate bigger text. When it awakens from sleep, the monitor resolution is "wrong". When my ...
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32 views

Bonjour Sleep Proxy / WoWLAN / WoL

So I've had an interesting issue that I think I know what might have happened, but I'm not sure if it is actually possible. I have 2 Mac's running High Sierra, Laptop and iMac. I have enabled "Wake ...
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50 views

Mac mini SMB File Sharing and Sleep Mode

I've a Mac mini (Mid 2010, El Capitan 10.11.6) which acts as file server. I enabled file sharing (SMB). The Mac goes to sleep mode after 10 minutes (as configured). If a PC client tries to connect to ...
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1answer
41 views

macOS High Sierra won't sleep

I have a 2017 27" iMac running macOS 10.13.6. I have configured the sleep / auto lock settings as per the below screenshot. But for some reason the computer wont sleep / auto lock. I have an ...
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2answers
41 views

Does “Prevent computer from sleeping…” remain in effect even if I close the lid?

These are the default settings for when a Mac laptop is plugged in: Notice how the display will be turned off automatically after 10 minutes of inactivity, and the ”Prevent computer from sleeping…” ...
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73 views

Why does MacBook Pro battery discharge when not in use?

I generally keep my 2018 MacBook Pro plugged in and I use it casually when not plugged in throughout the day. With light email checking in Safari throughout the day, I have gone from 35% to 13% today....
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1answer
35 views

External display will not come back after power-off while connected to MBP 2017 with Display Port

My LG 34UC88-B ultrawide display has a weird issue: After the laptop goes to sleep - ~50% of the time, when the machine is woken up the display will not wake-up/power on. My MBP (macOS) thinks the ...
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1answer
43 views

Issues with screen not coming on when Mac is running

I run a Late 2012 Mac Mini running 10.13 High Sierra with a Dell QHD monitor via DisplayPort. I've seen two different cases where as far as I can tell the Mac is running (HDD light flashing, etc) but ...
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1answer
350 views

Does macOS Mojave support NightShift on external monitors?

After upgrading to Mojave, I could have sworn I saw Night Shift kick-in on my external 4K BenQ monitor. But no more. Did I dream that? Or is Mojave supposed to be capable of supporting Night Shift ...
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iPod Click Wheel (4G Classic) crashes in the manner of refusing to wake up and I can't seem to figure out why

I've had this iPod since 2009 and it's been running a 32GB CF card via adapter. For seven years I've had no problems with it until I wanted to rebuild my library from scratch. All the files I've had ...
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1answer
36 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 ...
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1answer
66 views

Dual monitors waking from sleep very slow?

I have 2 EIZO screens via Thunderbolt/Display port connected to my MacPro (2013 cylinder). One day I press a key and the screen comes on straight away after sleep, the other day it can easily take 20-...
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1answer
105 views

Macbook Startup Freeze

I have a mid-2013 Macbook Air (A1466) that has been freezing/hanging during the startup process. It is running Mojave 10.14.2. This issue first began when I attempted to wake the computer from sleep ...
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10 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-...
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0answers
13 views

How come my mac pro failed to wake up?

I have been trying to wake up my mac pro from sleep daily using System Preferences -> Energy Saver -> Schedule. The laptop is connected to a power adapter, but still my laptop failed to wake up. ...
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1answer
24 views

my mac pro with OS x.11.6 goes to sleep even with the energy saver set to never

my desktop mac pro with OS x.11.6 goes to sleep even with the energy saver set to computer sleep never. And keyboard is frozen when computer wakes up, I have to restart.
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1answer
138 views

How to I stop a launchd script from running on wake

I have a simple launchd script that plays a sound every 30 minutes and it runs out of the user library ~/Library . It doesn't run if my machine is asleep, but does run the last event missed when the ...
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1answer
37 views

How come terminal processes are paused when display sleeps?

I'm running some long-running CPU intensive scripts, but I've noticed that the CPU utilisation becomes 0 when the display sleeps. I've already kept the machine awake using caffeine. Is this expected ...
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1answer
144 views

MacBook Pro shuts down while in “Login Window”

I have run into this issue a couple of days ago and it keeps happening. MacBookPro in question is a 13" 2016 model with Touch Bar running macOS Mojave 10.14.1 (18B75). If I lock my MacBook with Login ...
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1answer
122 views

Macbook wakes up unexpectedly when the lid remains closed (power unplugged)

My Environment MacBook Pro (Retina, 13-inch, Mid 2014) and OS: 10.13.6. pmset: $ pmset -g System-wide power settings: Currently in use: standbydelay 10800 standby ...
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37 views

Close the lid immediately After putting macbook to sleep manually by  → Sleep will cause the system awake, is this a bug?

I have MacBook Pro (Retina, 13-inch, Mid 2014) and OS: 10.13.6. My current pmset -g: $ pmset -g System-wide power settings: Currently in use: standbydelay 10800 standby 1 ...
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70 views

why “lidwake: 0” does not work?

I have MacBook Pro (Retina, 13-inch, Mid 2014) and OS: 10.13.6 My pmset outputs: $ pmset -g System-wide power settings: Currently in use: standbydelay 10800 standby 1 womp ...
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0answers
42 views

Since the last update external disk is ejected when put to sleep

Since my Macbook has limited storage, I use an SD card which is mounted all the time. Besides that, I use an external HD quite frequently. At night, I close the lid and put the mac to sleep, with the ...
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2answers
169 views

Ensure MacBook Pro is fully asleep when travelling

I have a 13" Mid 2014 MacBook Pro running macOS High Sierra 10.13.6. I carry around my MacBook Pro in a backpack. I tend to close the lid to put it in sleep mode before putting it in the backpack. ...
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0answers
44 views

If I have set `disksleep` to 0 in pmset, will my disk go to sleep when I close the lid?

I have MacBook Pro (Retina, 13-inch, Mid 2014) and OS: 10.13.6 My pmset outputs: $ pmset -g System-wide power settings: Currently in use: standbydelay 10800 standby 1 womp ...
1
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1answer
34 views

Dual external monitors: Blink on wake

I have two HP 24es monitors connected to my MacBook Pro. The input to the monitors are via HDMI. One connects directly to the MacBook Pro via a HDMI cable. The other connects via a HDMI to DVI, DVI to ...
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1answer
117 views

Flash firmware without CH341A programmer

In this Answer, user @y-h-wong commented that he flashed the bootrom without using a programmer. I'm guessing this was done from terminal somehow. Not sure if this is done from within OSX or from ...
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0answers
35 views

How do I lock my Mac without changing the display (keeps showing output)? [duplicate]

I'd like to lock my Mac, that is, require a password before any input. This is normal. What's different, though, is that I'd like to be able to show the exact same output as if the screen was not ...
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0answers
15 views

Computer falls asleep “randomly” while using it and boots into Safe Sleep wake mode

Ive got a weird issue happening on a 2012 15" Macbook Pro, the computer works fine for but every so often the screen will just go black and the machine goes into sleep. As it goes to sleep my screen ...
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0answers
25 views

Automatically send kill -STOP or similar to runaway processes when the lid is closed?

From time to time (maybe a couple of times a week) when I get to my computer (a Macbook Pro) expecting it to be asleep with the lid closed the fans are running Most of the time it is a Chrome process ...
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0answers
164 views

Slow animations/graphics after waking from sleep or sometimes at random

Product: Model Name: MacBook Pro Model Identifier: MacBookPro11,4 Processor Name: Intel Core i7 Processor Speed: 2,2 GHz Number of Processors: 1 Total Number of Cores: 4 L2 Cache (per Core): 256 KB ...
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2answers
65 views

How do I unmount a drive with a script?

I installed sleepwatcher to run ~/.sleep before my computer goes to sleep. I need to unmount /Volumes/Backup before my computer falls asleep. If I forget to do it, I get a message telling me that I ...
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1answer
36 views

“Monitor stays black” lag?

Since lately, I am using an AOC 32 inch monitor. A Decent piece of hardware, but alas, one thing really sucks: When I come back from a break, and screen lock kicked in I press a key on my keyboard: ...
3
votes
1answer
55 views

Apple spaces switching screens after sleeping

I have a 2017 Macbook Pro. I connect to two external screens via a Belkin Thunderbolt 3 Express Dock HD. They are arranged external|external|internal left to right. I have my 'menu bar' dragged to the ...
2
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1answer
154 views

Keep WiFi alive when on battery and lid closed?

We're using a VPN to access certain parts of internal infrastructure from the office; the VPN uses 2FA, so saving credentials and bringing it up with the network when the machine wakes up is not an ...
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1answer
376 views

Does the “Put hard disks to sleep when possible.” option in macOS have any affect on SSD drives?

So, I completely understand the value of putting a hard disk (specifically) to sleep in some cases especially in the pre-SSD days of the past. It can save power, lower noise and such. But in the case ...
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184 views

Macbook Pro 2018 cannot wake up Dell 2713h until unplugged

I have Dell 2713h that has been working well with miniDP <-> DP cable with my previous Mac (Early 2013). I got brand new Macbook Pro (2018) with only USB-C ports, got Unitek USB-C <-> DP ...