Question about HP Compaq 1501 15" LCD Monitor

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MONITOR GOES TO SLEEP WHEN TURNED ON BUT PC IS NOT IN SLEEP MODE

Posted by cucumo on Dec 20, 2008 Actually, when I turn my monitor on a "Going to Sleep" message is displayed on a black screen and then the screen goes all black. We had a power outage acouple of nights ago and the pc was on. Since then our power has shut off and right back on about 4 or 5 times and of course the pc was on every time. It is a Compaq 1501 flat screen monitor and I am using Windows XP operating system. Any one out there have any ideas how to fix this problem?

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SOURCE: When I turn my monitor

It will be video cable or related.

Responding to prior post,
Fuses have nothing to do with the video proper.
If you have a message on the screen, which says the monitor is basically working or saying the fuses and inverter is working.

That message appears with lack of video, so it can be the cable itself, possibly the video card on the computer.

Posted on Apr 26, 2009

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Everytime I turn on moniter it goes into sleep mode and won't wake up!!


If there was something wrong with the monitor itself it wouldn't go to sleep it would just turn off. It sounds to be as if there is an issue with the signal going to the monitor itself, try restarting your PC and ensure that the connection on the back of the monitor and the connection on the back of your PC are secure.

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I have my acer p205h 20 inch monitor hooked up to my tobshiba laptop and it works great except it will not go into sleep mode when laptop goes into sleep mode the monitor goes to there is not signal check...


Unfortunately, this is a standard problem, as when your laptop goes into sleep mode, it shuts off power to the secondary monitor, without giving it the signal to go into sleep mode. You could try digging around your settings, but most likely you'll just need to turn off the monitor when you're not using it.

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F1905e Monitor: When I turn on the monitor it goes straight into s...


The screen turn black may not mean it gos into sleep mode, it may mean it goes into shutdown mode because it may be sensing problem in the circuits.
Try it on another PC first, if it still does not work then read below.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed HP monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague

http://www.badcaps.net

May 18, 2010 | HP f1905e Monitor

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HP f2105 monitor going into sleep mode on it's own


Does it do the same when you use this monitor with other PC, new VGA cable, just need to narrow down the problem first before start taking the monitor apart.
See pictures of what usually goes bad (mostly failed capacitors) with monitors:
http://s807.photobucket.com/home/budm/allalbums
Post back what you find so we can guide you further

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I have a HP vs17 monitor that keeps going to sleep. It will flash to windows when I first start and immediately goes into sleep mode. When this first happened, I had managed to make sure any sleep modes,...


trixieb1, It's NOT going to sleep mode. Use warranty if possible!! If that not option you will need to read about "cold-cathode-fluorescent-lamps" and the voltage inverters that power them. Learn to do flashlight test when screen goes to black or blank n black!!! Read my fixya profile and those of other ccfl back-lit lcd monitor technicians. We already know what is wrong with your unit. And It is a VERY big problem for all LCD monitor manufacturers. Just do some reading before you do anything else. Good luck with the repair. 12fixlouie

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After pc gets turned on it goes into sleep mode with no response.. need troubleshooting help.


Hello ahmid7 …

There are three potential areas for your solution (listed in descending order of probability).

1. Power Options

Are you familiar with Windows' "Power Options" control panel module? If in fact your system is going into sleep/stand-by/hibernate mode, this will be the most probable culprit, and you won't need to proceed to steps 2,3. With it you can tweak all things related to power saving (e.g., sleep, stand-by, hibernate, timed automatic MONITOR and/or hard-drive shut off, etc.). Just make your desired (re)adjustments there.

[Control Panel > Power Options]
... OR ...
Start > Run > type "powercfg.cpl" (without quotes), then hit Enter.

Once it launches, you'll probably find most everything self-explanatory. If not:
  • Search for "Power Options" in your Windows "Help and Support". Then review "…Common Tasks…" and/or "…Overview…" related items.
  • Post here again and I'll be glad to walk you thru it.
2. Monitor's OSD (On Screen Display / Setup)

If step 1 is unsuccessful, it may only be the monitor (CRT/screen/display) itself that is turning off. Somewhere on the monitor there will be an OSD (On Screen Display / Setup) button/switch of some type. There you may be able to make the needed adjustment. If necessary, refer to the monitor's documentation (i.e., User's Manual, etc.) for further details.

3. System BIOS

If steps 1+2 are unsuccessful, it may be your computer system's BIOS accommodates auto/timed shutoff of your monitor, hard-drive(s), motherboard. If necessary, refer to your computer system/BIOS documentation (i.e., User's Manual, etc.) for further details on how to adjust.

IMPORTANT NOTE:

If none of the above provides solution, please report this, because it may be that your system is NOT in fact going into what you perceive as a sleep type mode, but rather is experiencing an emergency shutdown. In this case there are a couple of most likely causes. However, there's no need to cross that bridge unless it actually exists.

Good luck, and thanks in advance for posting back ...
  • to provide clarification or feedback.
  • if you have any further questions.
  • to let me know how things worked out.
"Today's the best day of my life...and NOW you're part of it!" … Craig

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1 Answer

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go to control panel, display properties, screen saver, turn off,
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it is going into sleep mode, good luck with this.... i am currently asking how to get my hard drive to quite putting my monitor into sleep mode.

although it hasn't worked for me because my screen stays black, one of the options given to me is to try to start in safe mode and then adjust your settings to "never" on the energy/sleep/hibernate mode

some one else suggested that i remove and reseat the video card

hopefully one of those will work for you

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