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27 votes

How to find the uptime since last wake from standby

The pm-suspend program is not the only option how to suspend the computer. My log of this program is now empty, but I have found more reliable command: cat /var/log/syslog | grep 'systemd-sleep' | ...
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  • 371
22 votes

How to find the uptime since last wake from standby

For desktops/servers running systemd, while there is no direct command that will tell the info directly (as far as I am aware), all the data is captured in the journal. You can grep the journal, for ...
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  • 371
15 votes

How to find the uptime since last wake from standby

None of these answers worked for me. But I usefully found sleep.target which is made for exactly this: $ journalctl -n4 -u sleep.target nov. 17 17:16:37 kaa systemd[1]: Reached target Sleep. nov. 17 ...
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12 votes
Accepted

Free Standby Memory without a Reboot

Run ProcessHacker as admin, click on View->System Information->Memory->Memory Lists->More and select here Empty Standby List under the entry empty:
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8 votes

How to tell what is using an audio stream?

You can use Process Explorer to find out what programs are using particular handles and DLLs. Run powercfg /requests in an administrator command prompt, and confirm that an audio device is preventing ...
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5 votes
Accepted

Connect an external display, close lid and avoid sleep on MacBook

Apple provides a solution for this, actually. These are the instructions, assuming you are using a Wired USB keyboard and mouse: Make sure your Mac notebook is plugged in to an outlet using the AC ...
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5 votes

How not to lose Wifi after waking up from standby or sleep mode?

For me on an HP EliteBook Folio 9480m (Windows 7 x64 SP1 with an Intel Wifi chip), the solution was to switch "Allow the computer to turn off this device to save power" OFF, and then back ON. ...
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4 votes

High disk usage after recovering from standby in Windows 7 when switching from one app to the others

The reason why the disk thrashes on wake is due to hybrid sleep. This means that sleep mode acts like both regular ACPI sleep mode (where the system is put in a low-power state) and hibernate (where ...
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  • 4,116
3 votes
Accepted

Keep USB PD and USB hub alive when external display enters standby

Check your monitor settings. My LG monitor with USB-C connection has a "Deep Sleep Mode". If this is enabled and monitor enters standby the USB hub is also disabled.
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  • 156
3 votes
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Hibernation, Standby, Shutdown or Lock when using the Laptop often

My best advice is to not worry about it and just close your laptop lid when you're not using it. But if you want the longest battery life possible, set the power option to power saver. Reason: By ...
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  • 1,150
3 votes

How do I prevent my bluetooth headphones from waking my computer from standby?

To see the list of wake-capable devices: powercfg /devicequery wake_programmable HID Keyboard Device Intel(R) Dual Band Wireless-AC 8265 To see the list of wake-enabled devices: powercfg -...
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2 votes

How to find the uptime since last wake from standby

I did not have pm-suspend.log on my machine. This worked for me: /usr/bin/pmset -g log | grep Wake | grep "due to" | tail -n1 Also says what woke the computer up. :-)
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  • 21
2 votes

Are there Windows 7 keyboard shortcuts for Log Off and Standby?

You can use the Alt+F4 shortcut then choose what you want in the resulting dialog box, or you can make one of them your default by doing the following: Click on the start button Right click on the ...
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  • 19
2 votes

How not to lose Wifi after waking up from standby or sleep mode?

After much aggravation, and trying all the power management options, I discovered that windows was using more than one utility to manage the wireless adapter. After exiting the trendnet utility and ...
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2 votes

Execute blocking script with admin rights in Windows before and after standby

I would like to run a script in Windows right before standby/sleep mode You can use the Task Scheduler to create a task that is triggered by a Kernel-Power log event that indicates "Sleep": Run "...
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  • 144k
2 votes
Accepted

cannot hibernate anymore (but standby)

Disabling secure boot resolved this error for me.
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2 votes
Accepted

Bitlocker encrypted system drive causes hourly spin-up of all other HDDs

So, at last I found two more posts by people affected by the issue over on the Microsoft forums, unsurprisingly no solution by the clueless and less than helpful support drones. The first poster ...
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  • 416
1 vote

Surface Pro 6 goes Standby every 30min-ish (SC_MONITORPOWER)

I had a sort-of similar problem with a Surface Pro 3. Here's my story: I had the system set up to never go to sleep while on AC power. I had done this to enable Retrospect backups at 2am and the ...
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1 vote
Accepted

Surface Pro 6 goes Standby every 30min-ish (SC_MONITORPOWER)

I see you have set the Sleep setting to never. As a further step, on the same window, in the same list, there should be an option for the video card as well. Just to be sure, set that one to maximum ...
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  • 144
1 vote

cannot hibernate anymore (but standby)

The other answer contains many troubleshooting methods for sleep/hibernate problems. I list below one other method, even though I'm not convinced that any of them will help with the problem: Create a ...
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  • 411k
1 vote

Connect an external display, close lid and avoid sleep on MacBook

The main thing you need is a connected and currently working external keyboard and mouse. Then closing the lid does the right thing, though you might have to move your mouse to get it out of sleep if ...
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  • 231
1 vote

How to bypass Login-Screen in Windows 10 after standby?

Method One: Yes, you can disable Require password feature after screen goes off or Wake up from sleep: Click Settings -> Accounts. Click Sign-in options on the left side. Select Never (off) under ...
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  • 1,151
1 vote
Accepted

Lots of RAM listed as free rather than standby

I understand that superfetch basically pulls stuff that you will likely need, and caches it in RAM, so why is it not utilizing this space? Superfetch tries to determine things you will likely need in ...
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  • 15.5k
1 vote

Single board computers standby mode

Your question is not specific, so I can only give a general answer. Most, if not all, microcontrollers that are used in these SBC (Single Board Computers) can go into low-power mode. They switch to ...
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  • 2,490
1 vote

Free Standby Memory without a Reboot

You can use RAMMap v1.5 (https://technet.microsoft.com/en-us/sysinternals/ff700229) Download RamMap from Microsoft Windows Sysinternals. Run RamMap (installation is not required). Wait until ...
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  • 111
1 vote

How to tell what is using an audio stream?

Another culprit of keeping Windows from entering standby mode due to "An audio stream is currently in use": The input signal from your microphone is forwarded to your speakers. Solutions: ...
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1 vote
Accepted

My computer wakes up from standby in the middle of the night and doesn't want to remain standby

As suggested by David, powercfg /waketimers showed the following output C:\WINDOWS\system32>powercfg /waketimers El temporizador establecido por [SERVICE] \Device\HarddiskVolume4\Windows\System ...
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1 vote

How to find the uptime since last wake from standby

modified better verision of steps answer grep ': Awake' /var/log/pm-suspend.log edit haha thanks for the comments :D
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1 vote

How to prevent a Windows 7 PC from sleeping when CPU usage is over X%?

I suggest NoSleep: http://www.computerbase.de/forum/showthread.php?t=770730 You need to enable the standby as usual and NoSleep suppress it if necessary. It seems that it is not available in English ...
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