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I read the answer about not seeing any images on the T220 monitor, but when both cables are plugged in and I turn on the power and computer, nothing shows up. Could there be another problem? Is there an "On" switch on the monitor?

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Hello, take a look at this website and you can download the user guide which, if you read, will show you the controls.Hope this helps. Nicam49
http://www.samsung.com/uk/support/detail/supportPrdDetail.do?menu=SP01&prd_mdl_cd=LS22TWHSUV%2FEN&srchword=T220

Posted on Apr 11, 2011

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Samsung syncmaster 2220 blinking blue light and no image display


Here's some tricks I would try...
1. Verify the monitor's power cord is plugged firmly into the wall outlet and the back of the monitor.
2. Verify the monitor cable is firmly connected to the computer and the monitor.
3. Verify that you have turned the monitor power switch on.
4. If the power light on the monitor is not on, test the wall outlet (plug in a light or something you know works).
5. If the power light on the monitor is not on, try a different power cord.
6. If the power light is on and yellow or orange or flashing, but nothing displays, or the display is incorrect, borrow a monitor from a friend. If that works, your monitor probably needs replaced.
7. Also, you could try your display on a friend's computer. If it doesn't work, your monitor probably needs replaced. If it works properly on your friends computer, the problem may be with your computers video output port, motherboard video chip (or video card, if you have one), or drivers.

Good luck.

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1 Answer

Why did my computer monitor stop showing an image?


Disconnect it from computer and power. wait 15 minutes and plug only the power back in, press the power on button. The monitor may display a message that there is no signal or something like that. If that happens the problem is either the cable or the computer. If you get no message then look for the menu button and press it to see if any thing appears. If not find the manual on line and read it. Many times monitors get over-driven by computers to the point that they can't display OR they self destruct.


OR

Another way is to just unplug everything computer and monitor for 15 minutes. Plug in monitor first then plug in computer and press the power button, the display should display the booting information if the cable is good and the monitor is good.

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My Samsung SyncMaster T220 does not display correctly. I can just about see a very faint image behind the black screen when I press the menu button. When I perform the self test (unhooking the VGA cable...


m_r_murphy, The T220 may have developed an internal ac to dc "switch-mode-power-supply / CCFL inverter supply" power problem an you may need to need to have it repaired, Look into warranty or outside technician to refurbish the unit's SMPS/inverter!!! From your description, I believe that the SMPS is in "partial shutdown" mode!!! (no 12 to 14v dc) to power-up the "cold-cathode-fluorescent-lamps" that enable you to see the text and graphics that you already know are being displayed on your lcd panel!!! (+5vdc or 3.3vdc rail still alive!!!) You have "black screen" symptom!!! NOT BLANK n BLACK screen!!! There are lots of DIY videos on YOUTUBE to help you decide if you can attempt a cheap (<$20usd) repair to your unit. Do some reading in my old fixya profile (louie12fix) and visit some of the links you find there. Because your T220 isn't any different than any other brand of CCFL back-lit lcd display in it's basic design and operation you should be able to fix it. Get back to me lmistyrel on aim or do additional comment to this original post here on fixya with info on your next step to repair this unit.
All the other ccfl back-lit lcd monitor tech's on fixya already know what's wrong inside your unit!! Do your research first!! Bye for now, 12fixlouie

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2 Answers

My computer will power up, I can hear the fan working etc, all things are a go and there is even sound when I hit butons etc. it appears to be working but my screen is black


Plug in an external monitor to your laptop, if you see an image on the external monitor then your laptop screen is bad. It could be the screen itself or a video inverter.

If you can't see an image on the external monitor, then your video card on the laptop may be damaged.

Good luck

-Carlos:

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1 Answer

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When the LCD monitor display flickers and or has a black screen then the fault is usually a faulty inverter or the CCFL lamp. When you look at the screen at a sharp angle and you see a dim image then it is a backlight problem and it is caused by a faulty inverter or a CCFL lamp.
Check out LCD Parts for parts, service, and DIY info. Use this link to their WEB site :-
www.lcdparts.net

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That is perfectly normal - it is scanning the inputs to find ALL cables/device plugged into it. My New Samsung 2433 does the same thing.

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Unplug the cable from your PC, if the monitor shows a test image, the monitor is fine and the problem is with your graphic card. If you dont see nothing on-screen after unpluging the cable from the PC, then the monitor in damaged. Send it to repair.

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Turn on the computer and complete the following steps: Step 1: Check cable connections (If you can see the initial HP or Compaq logo screen but later lose the picture, you can skip to Step 2.) check the video cable connection on the back of the computer and on the monitor. Make sure that it is connected properly and the connecting screws are tight. Turn the monitor off and then back on again (while the computer is on) to see if an image appears. Some Flat Panel monitors have two similar power input connections placed side-by-side on the back of the monitor, which sometimes allows them to get confused for one another. One connector is used to supply power to the speakers with a separate power cord, while the other connector is used for the monitor's power adapter. Ensure that you have the monitor's power adapter cord plugged into the power connector and not the speaker connector. After you have reconnected the power cord, turn on the monitor (while the computer is on) to see if an image appears. If there is still no image, continue to the next Step. Step 2: Resetting the monitor At first setup, or under certain signal conditions, the monitor may not be able to switch to a new display resolution. Do NOT shut down or restart the computer. Instead, perform the following steps: Turn off the monitor using the Power button on the front. If the Power button does not respond, unplug the power cord from the back of monitor and wait five seconds. Plug the power cord back in. You should see the image from the computer on the screen.

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