Monitor sleep mode flashes

I have an HP 6000S running windows 7 and a HP Le2002x monitor. When the cpu is shut down the monitor then goes black and flashes a white box saying "monitor going to sleep" This continues until I manually power off the monitor. I have checked the settings in the control panel and I have the sleep mode set to never.

Hi CTHS
I understand your HP Le2002x monitor goes into message "monitor going to sleep".
To begin, turn it OFF with the power button and unplug it over night to allow a full cool down and reset.
Most likely you've let it sleep rather than turn all the way off most of the time. Circuits left on continuously will deteriorate over time. The one for sleep mode is overworked here. Then you need to restart and also check the PC's hardware BIOS power saving options for the monitor. It can override Windows settings.
Any further issues please let me know.
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No screensaver and monitor sleep mode

Hello guys,
I have the following problem with my Mac Pro (Early 08) and MacBook Pro 2.33 GHz. Both are Mac OS X 10.5.4.
I have installed the latest Security Update 2008-005. After installation both computers have similar problem with Screensaver and display sleep mode. Both simple don't start. I mean that my laptop and desktop computer don't start screensaver and after some time they don't turn off attached monitor (respectively built-in display).
I also tried to change time of both things (screensaver time and "monitor sleeping mode" time) to different time. I also restarted both computers few times already.
My laptop seems working after these "changes and restarts", but Mac Pro doesn't. Monitor is always on.
Please, do you have any info regarding this? I am quite possitive it was caused by mentioned security update, since before that update, both worked perfectly.
Thank you for any help.

Welcome to Apple Discussions.
Create a new account, name it "test" and see how your monitor and screensaver work in that User acct? (That will tell if your problem is systemwide or limited to your User acct.) This account is just for test, do nothing further with it.
Open System Preferences >> Accounts >> "+" make it an admin account.
If the problem is present in the test account also, then it is systemwide. In this case try repairing this with the 10.5.4 Combo Update . This is a fuller install, as opposed to an incremental "delta" update so it should overwrite any files that are damaged or missing. It does not matter if you have applied it before.
Remember to Verify Disk before update and repair permissions after update from /Applications/Utilities/Disk Utility.
If the problem does not appear in the test account try starting in "Safe Mode" (It will take a bit more time to startup because it runs a directory check first).
If that works go to System Preferences >> Accounts >> Login Items and remove them. Boot normally and test. If there are still problems, go to ~(yourHome)/Library/Contextual Menu Items and move whatever is there to the desktop. Then do the same with /Library/Contextual Menu Items. Lastly, try moving /Users/Home)/Library/Fonts to your desktop and restarting.
Log out/in or restart, if that sorts it start putting items back one at a time until you find the culprit.
Let us know.
-mj
Message was edited by: macjack

Monitors - sleep mode

I have the settings set for the screen saver and sleep modes but the monitors never go into either - nor does the computer go into sleep mode

Hello Aerrato,
In order for me to better assist you could you please provide the full make and model of the PC you have and the monitor. Providing me that information will better help me help you.
Please respond at your earliest convenience.
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Monitor sleep mode

My HP monitor goes to sleep and won't wake up!! So I have to manually cut the computer off, wait a while then cut it back on. Then sometime the system will just resume but is very slow and other times it will boot up as usual. Help!!

Hello @oldmilva,
I understand that your monitor is having issues with going to sleep and not waking up and not booting up correctly. I am providing you with some steps you can try below:
Step 1. Unplug the power cord from the back of the monitor and the wall
Step 2. Hold the power button down for at least one minute
Step 3. Plug the power cord back into the monitor and then into the wall outlet (not a power bar or surge protector)
Step 4. Press the Menu button on the monitor
Step 5. Navigate to the Factory Reset option and select it
If the above steps did not resolve your issue you can try the monitor on a computer or other device to see if the issue persists. If it does I think it would be best if you contact HP Technical Support for repair options.
Thank you for posting on the HP Forums. Have a great day!
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Dunidar
I work on behalf of HP
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Sleep mode, Flashing light

Sometimes the little white light flashes and sometimes it stays on....
Here are my settings:
Energy:
Computer sleep, 20 minutes
Display sleep, 10 minutes
Put hard disk to sleep when possible, Yes
Screen saver, 5 minutes
After the computer puts itself to sleep the little white light will sometimes flash slowly and sometimes it stays on. Can someone explain the difference or tell me what it is doing?
iMac Intel Core 2 Duo Mac OS X (10.4.8)

Your setting in the Energy Saver pane is for when the Mac is inactive, but if a program is running in the background somewhere the Mac isn't really inactive and won't sleep. Do you have any external periferals connected that could be active? Does Mail check for new email? If Mail checks for new Mail in less than every 20 minutes, that activity will reset the inactivity timer and the Mac won't have a chance to sleep.

Secondary monitor occasionally not returning from sleep mode

Just got a new iMac the other day (24" 2.8GHz) and decided to use my Samsung 205BW to extend my desktop. Only problem is, sometimes when the computer is returning from sleep mode, the Samsung doesn't come back on. The blue led for the monitor goes from blinking to solid, so obviously it's trying to do something. A message will flash for a split second on the monitor and then disappear, but it's so fast I can't tell what it says. The only remedy I've found is to shut off the monitor and then turn it back on again. I'd rather it just not do this to begin with though.
Any suggestions? Let me know if you need more info.

It just happened again, and I was able to read the message that flashes on screen (very sporadic): "Not Optimum Mode" and something along the lines of switch to 1680x1050? with a big question mark icon. I'm wondering if the Mac is trying to force a higher resolution on the monitor when it comes back from sleep mode, even though I have it set at 1680x1050?

Macmini 2011 on lion, goes to a blue screen om monitor when awakening from sleep mode, last 3 or 4 seconds, can anyone help? Thanks

Macmini 2011 on lion, goes to a blue screen on monitor when awakening from sleep mode, last 3 or 4 seconds, before desktop appears, can anyone help? Thanks

Depending on the system configuration, this may not
be unusual. The Mini that I use for my home theater,
which is connected to a receiver then to a TV, all via
HDMI usually takes a couple seconds to come up just
the way yours does. Same happens when I switch sources
on the receiver. Actually, it starts with the blue screen and
will sometimes flash before the desktop comes up.
It seems that when HDMI goes dormant, there is handshaking
that needs to be re-established, at least thats my SWAG on it.
On the other hand, the Mac Mini Server that I use as a work
station and is connected to a Thunderbolt Display, wakes to desktop
in a second, maybe two. On this combo, it just comes up to
the desk top.
It also probably depends on what processes were active when
the Mini was put to sleep. So it may take some time for it to get around
to reloading the desktop.

Pc does not come out of sleep mode, no display on monitor, no response from mouse or keyboard.

Computer acts as though it is in sleep mode, does not respond to keyboard or mouse input. Confirmed monitor is OK. turning power on and of does not fix this issue. any ideas on how this migt be fixed?

The key issue is power. Please use this guide to test the PSU.
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Envision monitor refuses to wake from sleep mode

I'm using an Envision Monitor on my Mac Mini running Maverick 10.9.3 OS, 2.5 GHz Intel Core i5 Processor, 4 GB 1600 MHz DDR3, 500 GB HD. My issue is when I try to bring the Mac Mini out of sleep mode the monitor won't come on with it. I have to unplug it from the back of the Mini and plug it back in, sometimes more than once, it will come up. Any help would be appreciated. Thank you.

Hello,
From the news page here...
http://xlr8yourmac.com/
See if it's related to this...
It also seems to be related to later OSX versions, like 10.8.x & 10.9.x
The 2012 macs (and later apparently) (also later OSX versions on earlier Macs can do it also), not waking normally from sleep after hours being in sleep. (noted here ...
http://www.xlr8yourmac.com/archives/feb13/022813.html#2012macswontwake
"Why 2012 iMac/2012 Mac Mini won't Wake After Hours of Sleep (Hibernates/Powers Off)")
The sleepimage file still reappears even if never slept. Delete it (hibernate off, etc) - within minutes its back.
A note on that here - http://www.xlr8yourmac.com/feedback/Chameleon_SSD_Optimizer.html
About iMac sleep...
http://forums.macrumors.com/showthread.php?t=1529750
Try this: "sudo pmset autopoweroff 0" and "sudo pmset standby 0"
http://xlr8yourmac.com/archives/sep13/091313.html#10.8.5SleepEjectTip
Two users reported that the opposite worked...
Try this: "sudo pmset autopoweroff 1" and "sudo pmset standby 1"

Second monitor stays in sleep mode even though it's detected.

Hello,
So I just hooked up a second monitor through a second VGA port on my computer. For some reason that second monitor just stays in
sleep mode and never wakes up, even if I restart the computer. I've set the settings to where it should detect by
Right Click -> Screen resolution and making sure it's detected by a VGA port. I've also set up my Graphics Card to where it's compatible with 2 monitors.

Hi,
Generally speaking, this problem most probably caused by Graphic driver problem, it would be better to check if the driver was upgrade to be latest, if not, upgrade it to be latest for test.
If your computer had another integrated graphic card, try to disable one of them in BIOS for test.
Please also make sure computer motherboard chipst driver and BIOS was upgrade to be latest.
If problem persists, plase try to remove first monitor to check if the second monitor could be work correctly.
If there is any progress, please feel free let me know.
Roger Lu
TechNet Community Support

Sleep mode with external monitor

I've noticed that if I'm using my Macbook connected to an external monitor then sleep mode cannot be initiated by simply closing the lid.
The system starts to enter sleep then bounces out of that mode and remains running (with the dock having moved to the external screen)
Initiating sleep thru' the on/off button seems to work.
Isn't this what Beta versions are for?

Hi Ruby326,
Welcome to the Apple Support Communities!
This does sound like a very frustrating situation. I understand that your keyboard and trackpad not responsive after waking from sleep and you are forced to shut down to get them to respond. In this situation I would recommend resetting the computer’s PRAM and testing fresh. Please read over and follow the instructions for this process in the attached article.
OS X Yosemite: Reset your computer’s PRAM
Have a great day,
Joe

Recently having problem with flickering on monitor (viewsonic vg2436wm). When coming out of sleep mode. The screen goes gray, sometime out. Have to press power button to get screen on. Problem stops.

Recently having problem with flickering on monitor (viewsonic vg2436wm). When coming out of sleep mode. It will flicker, the screen goes gray, sometime out. Have to press power button to get screen on. Problem stops. Getting more frequent. After sometime problem stops. My system is a Mac Mini 2010, 2.4 intel core 2 duo, 2 GB, running OSX10.8.5

See if it's related to this...
The 2012 macs (and later apparently) not waking normally from sleep after hours being in sleep. (noted here ...
http://www.xlr8yourmac.com/archives/feb13/022813.html#2012macswontwake
"Why 2012 iMac/2012 Mac Mini won't Wake After Hours of Sleep (Hibernates/Powers Off)")
The sleepimage file still reappears even if never slept. Delete it (hibernate off, etc) - within minutes its back.
A note on that here - http://www.xlr8yourmac.com/feedback/Chameleon_SSD_Optimizer.html
About iMac sleep...
http://forums.macrumors.com/showthread.php?t=1529750
Try this: "sudo pmset autopoweroff 0" and "sudo pmset standby 0"
http://xlr8yourmac.com/archives/sep13/091313.html#10.8.5SleepEjectTip

My monitor is stuck in sleep mode!

I have an HP LV1911 monitor and my son is home schooled and it was on for a while and went into sleep mode and now wont turn on. I've tried turning it off, unplugging it, and nothing! It keeps saying going to sleep! I need it to work ASAP CAN ANYONE HELP ME PLEASE??!!
PS. It's a new computer straight out the box only have had it a month!

Hi, sorry to hear that you are having issue with your monitor. Here is a link that will give you the user guide. http://h10032.www1.hp.com/ctg/Manual/c02594902.pdf If this does not resolve the issue then it could be a setting in the computer. Here is a link to Manage Power Options. http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c01837578
If you are still having issue's, please write back and I will do more research on this issue for you.
Thanks in advance
Click the “Kudos Thumbs Up" at the bottom of this post to say “Thanks” for helping!
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
W a t e r b o y 71
I work on behalf of HP

Monitor won't wake up after sleep mode

Does anyone know how to fix the monitor, so it starts up after sleep mode? When my computer comes out of sleep mode the monitor doesn't always come on. Does anyone else have this problem and do you know the cause? The computer is only a few months old and hadn't had any problems.
Thanks,
Shaneil

Well my solution may not be the most cientific one but it works for me (at least until the real solution comes to the public)...
My computer has the problem that when it goes to sleep mode she never comes back... but it the screen that does not comes back... all the system is workin in behind (its like the brightness level was set on the less power possible) so i had to turn off the computer and had to do for a long time some times i had to wait that the computer cooled off a little and then try again to turn it on... I some tried things that the support page of apple said it could be... but did worked out... i dont know i think is a problem over 2 factors...
1. heating (the screen generates to many heat but, TO MANY!)
2. tiger os the OS "sleep mode" (it knows that the screen its heating a lot and tries to go to sleep to prevent over heating and damage)
So based on this i tried conecting a external monitor to the computer while she was unable to "awake" (or to show some thing in the screen)... and it worked whit no problem at all... so my conclusion was to prevent the over heating (1st factor) and the sleep mode (2nd factor)... so I deactivated the sleep mode setting up the computer to a never sleep mode... and to prevente the over heating well I use a low bright and when i need more brightness (to se the colors of what im doing or some thing like that) I use high brightness... when I away I set the brightness level to no brightness so there is no over heat and no sleep mode (cus if it is deactivated and it over heats it will go to sleep anyway...
Soooooo....
1. deactivate Sleep mode...
2. Activate a Screen saver...
3. And remember to contro your brightness your self... and turn it off when you are not using your computer...
well i hope it works for some body :P cya...

How to disable mac book sleep for when I close the lid. I have a monitor attached to the mac book and as soon as I close the lid on the mac book it goes toi sleep. Any way to disable the sleep mode? Thanks

Boss bought a new monitor for his mac book. We connected it but he rather keep the mac book lid closed in order to work on the bigger monitor screen. Soon as he closes the lid, the mac book goes to sleep mode.
Is there a free way to disable the sleep mode?

When the MacBook goes to sleep just hit a key on your external keyboard and the monitor will come back on.
http://support.apple.com/kb/HT3131

Monitor sleep mode flashes

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