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My Acer 221W goes into sleep mode and won't stay on

I've had this monitor about 2 years, I think...and all of the sudden it comes on for a second (green light on) and then it turns right back off (amber light)...I'm assuming sleep mode (since it retains power). I have switched the power cord as suggested by local retail store...but no fix.

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5 Suggested Answers

dodgecharger
  • 254 Answers

SOURCE: monitor doesn't work

I'd try this monitor on a spare computer. It sounds like the video card (motherboard integrated or otherwise)is not putting out any video information or missing sync signals. The monitor must receive these signals or it will go into standy/sleep mode. If the computer has integrated (on motherboard) video, check your bios settings to see if it is properly enabled. If it has a slot video board, then try a different video board. Your present board might be dead. Another possibility is a bad cable connection. check the connectors for bent pins. Assuming the connector is the standard HDB-15, it is easy to bend a pin over.

Posted on May 30, 2007

  • 26 Answers

SOURCE: Dell E151FPp LCD Monitor

Next time you reset, check both the monitor settings and your BIOS settings for wake up

Posted on Feb 25, 2008

tantong
  • 138 Answers

SOURCE: Monitor problem

Hi, I used to repair a monitor from Dell. You might have to check what wrong with your monitor when it went back by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image, there will be a minor problem like broken lamps and it is very easy to replace. But the most important part is you need to know how to teardown the screen. . If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so.


Hope this help you to examine your monitor. If there is anything I can help you with, feel free to let me know.
Thank you,

Posted on Mar 13, 2008

SOURCE: Monitor goes black but green light still on.

The problem with the Mag lt916s is that it is made with cheap capacitors. If you are interesnted it is a cheap and easy fix. Open it up, which is the hardest part. And replace the six 470uf 105 degree 25v capacitors and maybe even the smaller 220uf one next to them. You will see a bump on the top of bad capacitors most of the time. There are some videos to watch on Youtube showing you how to make the repair.
Good luck

Posted on Mar 30, 2008

  • 46 Answers

SOURCE: Microtek 997M monitor doesn't stay on...

The inverter is the most common item to fail on a LCd monitor. Capacitors usally fail the most. Are the tops of any of them popped up. If you had any shorted transistors the fuse would probably be blown. Usally labeled F1. I would replace all the capacitors first and go from there. Capacitors are cheap.

Posted on Jun 21, 2008

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1 Answer

My monitor won't come out of sleep mode


when the computer enter the sleep mode, it is possible that the computer remove the check mark from this output activation.

When you have multiple ouptut like a internal LCD and output on a monitor, when going into sleep then waked up, laptop reactivate the internal LCD without reactivated the secondary monitor.

you could need to go in desktop property and reactivate the secondary monitor with the check mark listed : Activate.

If you only have one monitor but still a dual output card or two separate video card same thing can happend. try to connect the monitor on the second VGA or HDMI output and see if the video goes there.

then reactivate your secondary output and make it principal.

Does also happend when your computer is connected to a UPS power and your monitor is directly on the sector. (laptop issu also)

if a brief power outage arrive then the monitor shut down (no power) and the computer continu, as there is no monitor on the output any more Windows will automatically deactivate this monitor. when power goes back, this output is no longuer providing video. I suggest putting the monitor on a UPS as well.

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I have a dell dimension 4600 computer. I usually put the computer in sleep mode when I am not using it. Usually I press the ESC button and the computer wakes up. All of a sudden, the monitor won't...


Plug the monitor into another computer to determine if the monitor is damaged or working properly. You can also plug another monitor into your computer to determine the same thing.

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2 Answers

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Well there is 2 straight things to check, first make sure all the connections are solid and connected properly, secondly make sure to test the system that is connected with the same connections on another monitor. Now that you have tested the hardware test the software, most monitors especially lcd's will have a menu where you can change the time set for sleep mode, I suggest checking this and changing it see if it has any effect. If still you have the problem, then we are probably looking more at an internal problem on the monitor directly to do with the video connection going out, the reason I say that, is because the monitor goes to sleep mode is not the real problem, the problem is that the video connection is set to make it do that. If the video connection is bad, you pretty much have to find replacment part and someone to solder it, or replace the whole board.

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hey
usually this happens due to static try to power cycle the monitor by disconnecting all the cables from the monitors
then connect teh cables back one by one
and see if it works and if not yes get teh monitor replaced

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franh, Typical of a lcd/fpd monitor! There is nothing you or hundreds of others can do to repair it all by yourself. I have repaired 3 monitors and helped tutor 2 others on fixya with their monitors. All had same exact symptom as your monitor. I need you to do a simple test for me. With failed Acer monitor near to your Fully Booted PC with a known good desktop being displayed on back-up monitor, quickly swap out the monitor cables from the back of the PC. Keep touching the CTRL key on you keyboarb every 30-50 seconds to keep the PC from sending out sleep mode command to monitor while doing the reconnect of acer to your PC monitor output port. Make sure the Acer also is connected to a live wall outlet/power strip. Turn on the Acer and note what happens. If screen shows a sharp clear image for a second, then goes black, do the following. Get a bright flashlight and shine it on the screen from a distance of 1 or 2 inches and tell me if you can see the desktop display. get back to me with your observations. I'm louie12fix on fixya or lmistyrel@ aol.com.

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I fixed the problem by acquiring a recovery disk that booted me into the bios screen and the screen came on. I then changed the settings, I still don't know why it happened in the first place though!

Thanks anyway though

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Check in the BIOS and see what your monitor settings are.
Did you change the sleep mode or power off mode? What do you do to make it come back on? Sounds like it might be getting too hot and/or going bad. Try it on another machine and see what it does. Also try another video card because the video card could be going bad.

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OK I have the same monitor, I was given it by a client when I couldnt fix it, I DO have the 19V supply and still getting the same problem.

If you open it and reseat all connections you can reach, I find it starts to work. Unfortunately after less than a few days use it goes off again.

Hopefully this can help someone get further

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