Hpw2338h Monitor is a sleep

The monitor is a sleep so I can not get on computer

Hello Dar1964,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand that your HP W2338H Monitor has gone to sleep and will not wake up. I would try a hard reset on it:
Step 1. Unplug the monitor from the wall and the back of the monitor
Step 2. With it unplugged hold down the power button for 30 seconds
Step 3. Plug the monitor back in
If the issue persists try the monitor on a different computer. If it persists sill the issue you are experiencing appears to be a physical issue and I think it would be best if you contact HP Technical Support for repair options.
I would like to thank you for posting on the HP Forums. Have a great day!
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Similar Messages

Since update download monitor shows "No Signal" and "Monitor Going to Sleep" over and over

I have an HP w2072a Monitor and a Pavillion p7-1436s computer. I run Windows 8. Since downloading an update yesterday, I cannot get my monitor to work. I have unplugged it, plugged it in, tried another monitor, tried another cable, turned the computer off and on several times, played with the sleep button, tried all the buttons on the monitor--nothing works. If I hit the "On" button, the light turns to blue briefly, I get the screen showing "No signal" then "Monitor Going to Sleep" comes up and the light turns amber---over and over again. Could this be related to the update I received? I think the update said it was setting a restore point, but with no monitor, I am stuck!

Hi dianthus,
Sorry to hear about the issue after doing the update. Do you recall what the update was for? I have included a document regarding your issue.
Computer Starts but Monitor Remains Blank Windows 8:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c03518095&tmp_task=solveCategory&cc=us&dlc=en&la...
Give those step a try and let me know how it goes.
Thank you,
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BHK6
I work on behalf of HP

MacBook Pro overheating when monitor is in sleep [weird]

Hello everybody,
this is my first post here but I am a long time Apple user (from 1995 until today).
Last summer, in August, I bought my new MBP 15" with non-Retina display, mid-2012 series which presents a very strange issue.
I investigated a lot on the problem, trying everything, without coming to a solution, unfortunately.
I think I will contact Apple also via Bug Report website, because I think it's a software bug. I'd like to hearing from you, as well.
Users' experiences are often more useful.
The thing is quite simple to reproduce: when I put the monitor(s) to sleep, doesn't matter if only the integrated one or using also the external display attached to the Mac, the GPU becomes HOT, let's say hotter than when using the Mac normally. Isn't it strange?
How do I measure the temperature?
There are many softwares. I use two: Temperature Monitor and iStat Pro, which is a widget for the Dashboard.
I also use my hand!
If I go away from my desktop and leave the display going to sleep, or if I put it to sleep manually using a hot corner (it's the same, no difference), when I come back and touch the top case in the zone corresponding to the processor and the GPUs, it is uncomfortably hot.
When I use the MBP normally, like now, writing this post, with fifteen applications open (among which Photoshop) in the background the GPU is at only 48° and the top case slightly warm.
When I come back from sleep the sensors display temperatures that go from 60°C to 80°C !!!
It's absurd. Everybody knows that high temperatures are not healthy for electronic components and batteries.
I decided to investigate deeply, looking also into the logs, and I found, in /var/log/system.log the following excerpt just after coming back from sleep mode with the GPU working in some mysterious way:
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7fbab9a31350(2000), shield 0x7fbab8e65950(2001), lock state 2
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: handle_will_sleep_auth_and_shield_windows: errs 0x0, 0x0, 0x0
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7fbab9a31350(2000), shield 0x7fbab8e65950(2001), lock state 2
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: handle_will_sleep_auth_and_shield_windows: errs 0x0, 0x0, 0x0
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: Created shield window 0x28d for display 0x003f003e
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7fbab9a31350(2000), shield 0x7fbab8e65950(2001), lock state 2
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: handle_will_sleep_auth_and_shield_windows: errs 0x0, 0x0, 0x0
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: Created shield window 0x28e for display 0x003f003f
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: handle_will_sleep_auth_and_shield_windows: releasing authw 0x7fbab9a31350(2000), shield 0x7fbab8e65950(2001), lock state 2
Mar 18 12:56:29 MacBookPro.local WindowServer[111]: handle_will_sleep_auth_and_shield_windows: errs 0x0, 0x0, 0x0
Mar 18 12:56:46 MacBookPro.local iTunes[1863]: 2013-03-18 12:56:46.834449 PM [AVSystemController] Stopping AirPlay
Mar 18 12:56:46 MacBookPro.local Dock[185]: CGSSetWindowAlpha: Invalid window 0x0
Then I booked an appointment to the Genius Bar, in my nearest Apple Store in Rome.
First time, after explaining the issue, they changed the fans (...).
No way, it didn't work (I had my doubts from the beginning it should do, anyway).
Second time I booked, they resetted SMC and PRAM (NVRAM), and gave me the MacBook Pro back.
It didn't work. I did the reset before going to the AS, by myself, at home.
Third time I booked, suspecting a hardware problem, they changed the whole logic board.
It didn't solve the problem.
I tested and reproduced the issue with the lastest release of Mac OSX, 10.8.3, with a clean install and no third party softwares installed. It happens not everytime the display goes to sleep, but almost everytime.
I also have done all the firmware updates, every time they came along in Software Update application from August 2012 since today.
I really don't know what else I can do, except writing to Apple Bug Reports and hope they read me and work on this.
Moreover, to understand if it's an issue related to the Intel HD Graphics 4000 card or to the NVIDIA GeForce GT 650M one I found and installed a simple software, gfxCardStatus, which allows you to bypass Apple automatic switch feature and choose manually which card to use.
I noticed that only using the most powerful card, the NVIDIA GeForce, the MacBook Pro becomes hot when the display is left alone and goes to sleep after the interval set in Energy Savings options.
Disabling the screensaver doesn't change anything.
Changing the period after which user's password is asked after waking the Mac from sleep changes nothing as well.
Useless to say, I need to leave my Mac turned on, because sometimes I have to access to it from another machine, and I also want to save energy and the life of my monitors putting them to sleep when I don't use them.
Any ideas or suggestions?
Thanks in advance for your attention so far.
Daniele

The Zendock simply bunches the different normal plugs together. So there's no way for the MacBook to detect that it's being used.
I don't think I've seen a dock in recent times that does what you want it to do.

Late 2012 mac mini display signal drops while booting and monitor goes to sleep

I have a new Late 2012 Mac Mini. I have had it for a week, what just started happening is that during restart, the video signal drops and my monitor goes to sleep. I then have to toggle through the input options on the monitor and the video signal is detected again and the monitor wakes up.
Here is what I see - If i shut down and then power back up, I get the grey screen, then the apple logo, then the little status circle spins for a few cycles then stops and then the screen goes black and the monitor says signal lost and then 5 seconds later goes to sleep.
It is possible it is my monitor but, I haven't had any issues with it and i only drops the signal like that during a reboot.

Welcome to the family. Search this forum for the main thread for this problem titled: "mac mini 2012 video blinking out".

HPw2338h Monitor Compatibility

I need a new computer. Can anyone tell me if the HPw2338h Monitor is compatible with Windows 8.1?

Hafygirl, welcome to the forum.
I can't find any definitive proof that there is Win 8.1 software and driver for the monitor. HP does sell new computers with Win 7 installed. I have a Phoenix 810-135qe that came with Win 7 installed.
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HP Monitor going to sleep on start up

Ok, I've dealt with this problem long enough. I have an HP pavilion Elite, hpe 400f. Monitor worked great on it, then one night while I was checking my email, the picture went scrabled, and ever since I am faced with a "Monitor Going to sleep" error on start up. I can not get into my settings or do anything.
It does not work on other working monitors, I tried a whole new set of cables and when that did not help, I went and bought a new graphics card. That did no good either. But I can not install the drivers until I can actually see how to do it.
So what now? Nothing HP told me works. I am about to go crazy with this. I've begged HP to help me for a year off and on to no prevail.
Can you PLEASE help me?
This question was solved.
View Solution.

Hello @ddanh123,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I have read your post on how your monitor is faced with a "going to sleep" error message on startup, and I would be happy to assist you in this matter!
To restore the display on your desktop computer, I recommend following this document on Flat Panel Monitor Displays Message about No Signal, Signal out of Range, Sleep, or Power Save. This should help examine any possible steps that may have been missed.
If the issue persists, please call our technical support at 800-474-6836. If you live outside the US/Canada Region, please click the link below to get the support number for your region.
http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html
I hope this helps!
Regards
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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Over saturated images when monitor resumes from sleep

Lately I started to get this weird beheviour from LR 2.7. each time my monitor resumes from sleep all image colors become extremely over saturated. All other apps and computer desktop are just the same so it's only LR.
I use a wide gamut LCD (HP LP2475w) which is calibrated using iOne Display 2.
If I restart LR the problem goes away. This only started a few days ago just after I started uploading new photos taken by a new lens (Sigma 30mm).
Any ideas?
Micha

Hi
I can sympathise with how annoying this must be - and although I haven't looked into it myself, I do recall several other posts over the last 18months or so, with the same issue.
I can't dig out the exact posts now, but maybe the following might lead somewhere?
http://webkit.org/blog/73/color-spaces/
http://docs.info.apple.com/article.html?artnum=302827
http://www.gballard.net/psd/golive_pageprofile/embeddedJPEGprofiles.html
sorry I can't locate the threads I remember- I found one or two, but they were un-answered.

We have an HP2009m and every time we turn it on it shows no DVI signal and monitor going to sleep

HP2009m monitor goes to sleep every time you turn it on. HELP!

I am having same problem. Can someone help

Monitor HP 2010i sleep problems

My computer worked before we moved it from one side of the room to the other. Power it on and it says no signal and the monitor goes to sleep. Can't get past that. Moving back and it does the same. Can anyone help me? P.s. unplugged.. detached connections..pressed down power button holding 20 seconds several times .

Well just paid $100 to extend my warranty ..couldn't afford it but well worth it...he had me do all of that...power off and on..nothing worked until he said to unplug the power source from the back of the tower..unscrew the tom screw (Phillips and flat combined) that holds the side panel...did that..removed gently the dust..three cards held together with white clips on each end.pop open clips.. remove card one at a time..when removed then placed right back in..press firmdown until clips snap shut on their own. Do that to all three.I have the green board for the background inside..place cover back on..plug in power source and it worked!!!!! Hope this saves someone $100

[ SOLVED ] Cant stop monitor going to sleep

Hi .... How can i stop the monitor going to sleep after about 5 or 10 minutes of being idle ? I have tried xfce4-power-manager and that has no effect no matter what settings i try ..
Any suggestions please ?
Many thanks
Last edited by whitetimer (2010-10-29 15:45:20)

All i have is Option "DPMS" "False" in my xorg.conf, but i suppose setting the timers to zero would, as a side-effect, turn dpms off as well.
Blank Time is the default timer for the screensaver.
man xorg.conf
Option "StandbyTime" "time":
It is only enabled for screens that have the
"DPMS" option set (see the MONITOR section below).
In any case you must restart xorg, and then check with
xset q | grep -i standby
xset q | grep -i dpms
to make sure.
Last edited by manmachine (2010-10-29 19:31:01)

Why do my monitor stay in sleep mold?

Monitor Status shows: I havea HP 2009 m monitor and Pavilion Slimline s5220f pc, when I turn on my monitor it keeps on say DVI: no signal, VGA:no signal, Auto-switch Sourcen,DefaultSource: DVI-DIGITAL and the monitors reads, monitor going to sleep. Can somebody please help me with this problem?

monitor is going to sleep because it doesn't see any signal:
>DVI: no signal, VGA:no signal
How is pc and monitor connected?
All connectors attached properly?
Which cable/adapter/port (colours)?
From the specs it should be vga:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01859893&cc=us&dlc=en&lc=en&product=4006369
The pc only have a blue port, so you should connect it to the blue port of the monitor:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01694120&tmp_task=prodinfoCategory&cc=us&dlc=en...
You can try to switch DefaultSource to 'VGA'.
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HP Pavilion, Monitor going to sleep error

When i start up my HP Pavilion, It shows a screen with no vga signal, and then it says "Monitor going to sleep" I do not know what to do? Please help.

I am having the same problem where my Desktop turns on, nothing comes up on the monitor and it goes to sleep fairly quickly, and the fan just keeps running in the tower and is louder than normal. The keyboard does not seem to be responsive and I checked to make sure my monitor is working. How would a bad graphics card make the fans keep running like that?

10.9.1 external monitor on hdmi sleep issue

Hi,
I have been lately having issues with my HD LG LED monitor that I have connected to my macbook thru HDMI.
The monitor goes to sleep and does not wake up at all. The screen stays blank - even after rebooting the laptop or waking it up.
My open windows in the monitor stay in that workspace and can not be accessed on the laptop screen.
I have seen flickering issues on my monitor in the past but thought they were due to static or some emi.
The monitor was working great with the Mavericks update as well so I am not sure what changed in between
The monitor works fine with my Windows notebook
Any pointers would be great!
Thanks,

Hi madsaw,
Welcome to the Support Communities!
The article below may be give you some additional troubleshooting steps to try for your external monitor.
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Cheers,
- Judy

[SOLVED] systemd-udevd using 100% CPU and monitors go to sleep on boot

Hi,
Turned my PC on this morning to find an issue with the monitors going to sleep immediately after booting. The boot process is usually slim autologin to a cinnamon session. I can see as far as entering my LUKS passphrase, followed by a few additional lines, followed by blank monitors and monitors entering power saving mode.
Booting with nomodeset on the kernel command line allows me to boot to a terminal and I can login etc, but obviously X doesn't start. I'm using xf86-video-ati drivers.
When booting with KMS enabled I also have a runaway systemd-udevd process which is thrashing my processor and I'm unable to kill it (I've tried kill -9 and still it persists).
The PC was working fine when I shut it down last night. No updates have been performed since, and no configuration changes have been made. I did notice that the power management dialog in the settings failed to open though.
Any suggestions would be welcome please, as I've now lost half a day trying to get this resolved.
TIA
X.
Edit: I've also tried downgrading xserver to 1.15, xf86-video-ati and the associated dependencies with no change.
Edit2: I've also disabled slim and rebooted and the same thing happens - so I don't believe it's an issue with X but with KMS.
Edit3: Booting with acpi=off on the kernel command line also fails with the same result.
Last edited by xanthi (2014-07-30 13:55:58)

Turned out to be an issue with libdrm. Apparently I had run some updates yesterday before shutting down, but they didn't appear in pacman.log; instead I found them by looking in the pacman package cache and found:
-rw-r--r-- 1 root root 110072 Jul 29 22:59 lib32-libdrm-2.4.56-1-x86_64.pkg.tar.xz
-rw-r--r-- 1 root root 160996 Jul 29 22:55 libdrm-2.4.56-1-x86_64.pkg.tar.xz
Downgraded [lib32-]libdrm packages to 2.4.54-1, rebooted, and success.

Program windows will rearrange themselves when monitors are in sleep mode - how to stop windows switching screens

iv got 3 screens on one card via display port adapter and a 4th on a second card so as to have a 1 on top of three setup.
the computer itself does not sleep as I have servers running but I have the screens set to sleep after 10 mins.
for the longest time all screens would go to sleep and wake with no issues... in the last few months 2 issues arise.
1. after the monitors go to sleep and in no consistent time 1 monitor wakes enough to show the backlight but no display... wakes ok and sometimes screens dislocated.
and
2. when the monitors come out of power save / sleep mode some of the windows I had open will have been moved to different monitor like the monitors have been unplugged or "detected" numbers have changed and I have seen the number
change a few times as well but not always.
I say some because I have 4 windows open on my left most monitor and 2 of them end up on my right monitor after the glitch.
sometimes the stuff on my center bottom {main screen} will end up on the top single monitor.
no rhyme or reason... some days no issue at all wake up and all is where it should be and all screens slept all night
most often this issue happens at night or after a long sleep session short sleep sessions and it does not happen.
for all the tech info
ATI 5750 and 5770 running in xfire mode w/ 1displayport to DVI / 1 HDMI to DVI / 1 DVI.
and ATI 5450 for the top monitor
windows 7 x64 / 8 core AMD8320 / 16 gig mem.
latest video drivers...
any info?
I'm a tech and even iv been scratching my head for a while on this one
thnx in advance for even reading to see my problem
thnx even more for an answer...lol
2.6 quad core - 3 gig ddr2 - 2x x1550 ati 1 pcie 1pci - 3x 500 gig hd 1 320gig 1 250 gig 1 200 gig

kinda yes i added a second video card as a slave in a crossfire setup
iv had this same setup before and have switched a few times with minor issues that always got solved with driver reload
and for some reason in this final setup this is the only thing still messing with me.
some days wake up and all is correct on screens and all screens are asleep
next day #3 screen on far right will be awake and stuff from #2 middle bottom screen is up on top.
iv tried reloading drivers... iv tried older drivers and beta ...
have tried removing all info related to ati drivers and amd catylist and all that good stuff using their special removal tools...
the event viewer keeps giving this but i don't see a connection
i wish i did but im lost...
The Peer Networking Grouping service depends on the Peer Name Resolution Protocol service which failed to start because of the following error: Overlapped I/O operation is in progress.
and
The Peer Name Resolution Protocol cloud did not start because the creation of the default identity failed with error code: 0x800703e5.
and lastly something about Schannel
The following fatal alert was generated: 43. The internal error state is 252.
everything else is basic stuff
thnx again and crossing fingers

Hpw2338h Monitor is a sleep

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