Stand-by / sleep mode not working when USB is connected

Hello!
When the USB cable from my 24" LED Cinema Display is connected to my new Mac Pro 2,66 GHz Quad-Core, the stand-by / sleep mode does not work correctly: the Mac Pro goes to sleep normally, then the LED behind the on-/off-button flashes one time and then the Mac Pro awakes from sleep mode without any user interaction.
I already tried to reset PRAM, I tested all three rear-side USB connectors (I did not test the front-side USB connectors because the display's cable is way too short), I unplugged all other USB and Firewire devices and also tried sleep mode from a freshly created account. Alas, nothing helps.
As soon as the display's USB connector is plugged in, sleep mode does not work any more. It even doesn't matter if there are USB devices plugged into the display. Without connecting the display's USB plug, sleep mode works fine.
So, any ideas out there?
Thanks in advance & best regards!
Mario.

I fixed the problem, so I just post this to help others that might run into the same trouble.
The Mac Pro and the display were connected to a master/slave power socket. The problem is: when the Mac Pro goes to sleep, there still seems to be some power left in the display (which socket is switched off by the master/slave power socket). Therefore, the display goes off slightly after the Mac Pro. This powering off seems to release a signal on the display's USB wire that is connected to the Mac Pro and therefore switches the Mac Pro on again.
So, this is the same effect as removing a USB device from the Mac during sleep mode, what (at least in most cases) also starts up the Mac again.
As a result, there seems to be no other solution to this problem than removing the display from the master/slave power socket. Sadly enough, the LED Cinema Display consumes other 2 watts in stand-by mode...
Cheers!
Mario.

Similar Messages

Windows 10 sleep mode not working

windows 10 sleep mode not working

I hope this helps. But... I had the same problem last week. Now I don't as of 8/17/15. I am not sure if a windows 10 update fixed this. I do not like problems that without any assistance fix themselves. However, try sleep mode again. This problem may have been fixed.

Lenovo s10 3t sleeping mode not working???

I just received my lenovo ideapad 2 days ago and upgraded to ultimate.. my problem is , even before i upgraded it and it was on windows starter, whenever i put on sleeping or hibernate mode, it actually SHUTS DOWN? after putting/thinking it was on sleeping mode, i tried to turn it on again, hoping that it will go back to where it was before., then i realized, i have to go on the safe mode or start normally coz it said it didn't properly shuts down. BUT i didn't even shut it down.. i only put it on sleeping mode.. why is it so? anyone have the same prob? or am i pressing the wrong button (the power button) in order to turn it back on from the sleeping mode.. it really bugs me that it always kinda restarting when it is supposed to be asleep!!! i changed the power setting to having the sleep mode longer than an hour and tested it within few minutes by putting on the sleep mode and try to put it back on, it still goes into computer not properly shut down ---> safe mode or start normally window thingy.. what is wrong here???
HELP PLEASE.. thanks a bunch..
Solved!
Go to Solution.

Hi and welcome, did you install Lenovo Energymanagement there are some points to configure...
here an excerpts of my article... .. the settings .. way gettin in
Energy Management -->advanced tab
Section options check Enable Hibernation check Auto adjust schemes according to battery power
Sectionower buttons When I close the lid of my portable computer choose Stand By
When I press the power button on my computer choose Shut Down
When i press the sleep button on my computer (Hint: on S-Series Fn-F1) choose hibernation
sincerely KalvinKlein
Want more ? For further information to get the most of your S-Class machine
Lenovo Energymanagement Backup Windows 7 Driver Windows 7 Install
Clean XP Install XP Startup Small WebCam Guide Lenovo Easy Capture
Thinkies 2x X200s/X301 8GB 256GB SSD @ Win 7 64
Ideas Centre A520 ,Yoga 2 256GB SSD,Yoga 2 tablet @ Win 8.1

Sleep mode not working properly in windows

I have a P67A-GD65 working fine (THANK GOODNESS!) but I have a small annoyance.. It wont wake up from sleep mode unless the power button is pressed! How can I change this to wake up on say, when I click a button on my mouse or my keyboard or even move the mouse? I have the latest bios installed. Thanks!

Depends if you have USB or PS/2 KB/mouse
Resume From S3 by USB Device
The item allows the activity of the USB device to wake up the system from S3 (Suspend
to RAM) sleep state.
Resume From S3/S4/S5 by PS/2 Mouse/ Keyboard
These items determine whether the system will be awakened from what power saving
modes when input signal of the PS/2 mouse/ keyboard is detected.

My sleep mode not working right why?

My Mac Pro comes back on during the night when it's in sleep mode.Why?

It could be Bluetooth. Do you have Bluetooth wireless mouse and keyboard?
I had this problem until recently. It seems to have gone away since updating OS X to 10.8.5.
Open Console next time this happens to you. Scroll to the point at which the machine went to sleep and then awakened.
If you see something like what I've pasted below, then you're bluetooth devices are waking the machine.
10/13/13 1:06:45.000 AM kernel[0]: Wake reason: UHC6
10/13/13 8:45:44.000 AM kernel[0]: 0x1face000, 0 Intel82574L::setLinkStatus - not active
10/13/13 8:45:44.000 AM kernel[0]: 0x1face001, 0 Intel82574L::setLinkStatus - not active
10/13/13 8:45:44.000 AM kernel[0]: Previous Sleep Cause: 5
10/13/13 8:45:44.000 AM kernel[0]: The USB device BRCM2046 Hub (Port 1 of Hub at 0x5a000000) may have caused a wake by issuing a remote wakeup (2)
10/13/13 8:45:44.000 AM kernel[0]: The USB device Bluetooth USB Host Controller (Port 1 of Hub at 0x5a100000) may have caused a wake by issuing a remote wakeup (3)

Sleep mode not working properly on Macbook Pro

On my Macbook Pro everytime my mac enters sleep mode just the display goes to sleep never the system even after 8 hours. Checked the energy saver setting both display and computer are set to ten minutes. I can also never get the display to wake back up unless i do a hard reset. Any ideas? Thanks!

Does it now work only on battery? or using the power supply?
If only on the power supply use a grounded plug.
Otherwise try reseating touchpad cable. Post the size and year of your MBP.

Sleep mode not working after iMac WLAN Update 1.0

Hello,
unfortunately the sleep mode isn't working anymore after the latest "iMac WLAN Update 1.0" update.
Usually I press cmd+alt+eject to activate the sleep mode, since the update the screen switches off (black) for a second and immediately turns on again. Fans and HD keep running without any interruption.
Same behaviour if I use the "sleep mode" command from the Apple menu, except the screen turns off and keeps off, but fans and HD are still running.
The iMac never activates the sleep mode by itself (e.g. after 15 minutes), this also a new "feature" which occured after the update.
Is there anyone recognizing the same problems? Any hints how it can be solved?
Thank you very much in advance,
Oliver

I finally found the solution in a German newsgroup. First: It has nothing to do with the "iMac WLAN Update 1.0" .
A unsuccessful printer job caused the problem and just open the CUPS site http://127.0.0.1:631/jobs and delete the hanging job solved the problem!
Thanks,
Oliver

Mode not supported when trying to connect mac to tv

I'm trying to connect my Mac to the TV as I do nearly every day using my HDMI cable via the apple HDMI adaptor (don't know exactly what that cable is called). But when I try it cuts in and out in fuzziness for a bit then eventually comes up with the error message on my tv "mode not supported". I can't see any visible faults in the cables at all. Do I need to replace one or both of the cables? Or is there something else wrong? If it's the cables, how do I figure which needs replacing without having to buy both if it's only one of them? Help!

Hi Sneuby,
Welcome to Lenovo Community!
As per the query we understood that you are facing issue on connecting to your Television from ThinkPad T440s.
Recently have you updated the system with any of the application or with drivers from Windows update?
Check uninstalling the Graphic driver from the system.
Please let us know the findings once you have performed the above steps.
Best regards,
Hemanth Kumar
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
Follow @LenovoForums on Twitter!

"Mode not supported", when try to connect to TV

When I try to connect my Lenovo T440s to my TV using VGA cable, I get a "Mode not supported" message on the television screen and the laptop screen goes black. Some points that may make it easier to troubleshoot: 1. I was able to connect to this laptop successfully to this TV on prior occasions. 2. I am able to connect this laptop to an external monitor in my office successfully 3. I am able to connect other computers to this TV successfully. So what could it be? Any thoughts?

Hi Sneuby,
Welcome to Lenovo Community!
As per the query we understood that you are facing issue on connecting to your Television from ThinkPad T440s.
Recently have you updated the system with any of the application or with drivers from Windows update?
Check uninstalling the Graphic driver from the system.
Please let us know the findings once you have performed the above steps.
Best regards,
Hemanth Kumar
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
Follow @LenovoForums on Twitter!

Why does my iMessage and Facetime not work when I am connected to a wi-fi network?

I can not send an iMessage or connect to facetime from my iPad2 when I am connected to a wi-fi network. I had no problems with this at home but now on vacation things are not working...any ideas?

Wanted to say Thanks! to both of you for the help. I went and found a different wi-fi to connect to and everything worked perfectly. Not sure what the deal was with the wi-fi at the vacation house but it all works now.

IPhone 5s recovery mode not working AND itunes wont connect phone!

I opened iTunes whilst my phone was plugged into my pc via USB and was told to update the software so I did.
During the process of updating I noticed my phone screen was an image of a usb pointing to an itunes icon.
I researched what the symbol meant and why i couldnt turn my phone back on and found out i need to do the recovery instructions.
THEY ARE NOT WORKING.
I have tried many times but iTunes is still not noticing that my iphone5s is plugged in.
PLEASE HELP ME!
Thanks.

Hello bekahxi,
Thank you for using Apple Support Communities.
For more information, take a look at:
iOS: Device not recognized in iTunes for Windows
http://support.apple.com/kb/TS1538
Removing and reinstalling iTunes and other software components for Windows Vista, Windows 7, or Windows 8
http://support.apple.com/kb/HT1923
Have a nice day,
Mario

Wifi on Macbook Pro does not work when Windows laptop connected

Does anyone know why this is the case or how to fix it? My wifi works great until my wife turns her windows laptop on and logs on the to the wifi. At that point, mine does not work until she shuts her computer down. Any ideas?

you both probably have the same IP address....
set your laptop to DHCP or type in another IP address...

Sleep does not work when MB is shut

My MB used to go to sleep when I shut it, but now it stays on consuming the battery. The screen goes off, but everything in the background is still working (ie. network runs, downloads still occur, programs continue to run without sleeping, sound/screen turns off but music file still runs). If I shut it and return two hours later, the battery is at 0%. Can I fix this?

Hi Clawdad37
I (and many others) are having the same problem, see this thread amongst others:
http://discussions.apple.com/message.jspa?messageID=5899374#5899374
Out of interest do you have problems with Bluetooth? I believe the two are inextricably linked.
You will find numerous attempts to solve this problem (incl, resetting PRAM, resetting SMC, trashing cache folders and changing safe-sleep settings). I have tried all of these methods (in pretty much every combination!) and although some seem to solve it, it is merely a temporary solution and could well be down to coincidence. Give them a go though and see if they work for you.
I thought update 10.4.11 had resolved the issue, but again this turned out to be a coincidence.
I took my MacBook to my local Apple store a few months back for the bluetooth problem (didn't have the sleep issue at the time or I didn't notice it). they found a fault with the Bluetooth module and replace it. Within 48hrs the Bluetooth was playing up again.
Now that I have exhausted all options, and once my exams are over this week, I will be taking the MacBook back to the store (I have 3yr Applecare). I will pushing hard that this is a major flaw and constitutes that the product is not fully fit for purpose. Not sure if you're in the UK, but we have pretty good consumer protection laws here - not that I want it to go down that route, I really like my MacBook and Apple as a company. I just want this problem sorted and given Apple's reputation for customer service I am sure it is only a matter of time.
If you don't have the 3yr Appplecare, and you are in your 1st year of warranty, I suggest you get it to Apple asap. Also, consider getting the Applecare, particularly for a notebook.
Hope you problem gets resolved, and if it does be sure to post to let others know.
Cheers!
Glanv

Drag'n'Drop on Web Parts In Edit Mode Not Working When X-US-Compatible Is IE=11

Hello,
when the compatibility settings are above IE=10 the web parts cannot be moved between/within the web part zones.
Steps I have done to reproduce this on clean environment:
Created a new sharepoint publishing portal
Tested on the default page that web parts can be moved in IE 11
Downloaded the master page seattle from gallery
Replaced the following line:
<meta http-equiv="X-UA-Compatible" content="IE=10"/>
with:
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
Uploaded the master page to the gallery.
Published major version.
Entered edit mode on the default page.
The web parts cannot be drag'n'dropped.
Do you have any idea about a fix for this?
Thanks.

Every application can't come automatically configured to work with every other application, even if they're both from MS. Tweaks here and there are going to be required. If you go in and make a settings change and then everything works fine, I would call
that "fully supported."
Also, you WANT a solution that doesn't require IE changes, fine. But did you at least try and see if these changes affect anything? We need to at least do our due diligence in troubleshooting and root causing before we can ask for particular solutions my
friend.

Sleep mode not working in Windows 8.1 on pavilion x2 11-h010ca

Hello,
I've done 2 fresh installs from the HP recovery, then upgrading to 8.1 with all patches, but this hasn't helped.
What I've discovered is this:
- Using the standard Windows video driver: the machine will sleep and resume properly, but I cannot control the brightness (it's always 100% bright).
- If I install the Intel driver from the Intel site (or HP's site), I can control brightness. When I put the machine to sleep, then resume, it crashes. It takes a few tries to bring it back up, but it always does a full restart.
I've installed all the latest updates through the HP tools on here, but hasn't helped in any way.
Help on this would be great.. Thanks.

That doesn't seem to help at all. Symptoms are the same - When I press the power button to bring it out of sleep, it buzzes briefly and the screen stays black.

Stand-by / sleep mode not working when USB is connected

Similar Messages

Maybe you are looking for