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My SyncMaster XL2270 screen does not turn on. The Power light then the Auto light will blink every half second. What is causing this?

When I play and jiggle the power cord in the rear of the screen where it connects, the blinking will either delay or stop for a moment. Seems like a possible power connection issue. Has anyone seen this before?

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  • Computers & ... Master
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Power supply has problems, probably capacitor related. Replacement monitor is very inexpensive.

Posted on Dec 09, 2016

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Posted on Jan 02, 2017

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SOURCE: the power on my laptop won't stay on

The jack or AC power pin can be fixed yourself if you're up to it. The part is usually under $10. I've done three (2 Fujitsu' and a Sony. Take your time when you take it apart and take pictures of the disassembly. They will com in very handy when you start to put it all back together again. When you get it fixed invest in a proper cable retention device so the AC power pin doesn't get damaged again. This short Chris Pirillo Video talks about CRDs on laptops.

Posted on Jun 10, 2008

SOURCE: HP Pavillion power link blinks

I have a DV1130us and I'm having the same problem. I've already replaced 2 blown SMD capacitor on the motherboard, originally would only short out and obviously not boot or charge.

But I think it may be the MAX1907a chip, basically the actual power supply controller for the laptop, though it may also just be another bad cap somewhere. If/when I get mine working I will post what I did to get it to charge.

Posted on Sep 12, 2008

Kaisolo
  • 43 Answers

SOURCE: power button pushed battery light blinks twice won't turn on

I have the same problem for my dell note book
This is how i solve it

Unplug your note book from any power source
then remove the battery from the Notebook for
30 minutes after 30 minutes put back the battery and reconnect your adapter to power source turn on the power

Posted on Feb 19, 2009

  • 1 Answer

SOURCE: HP Compaq 6735s battery light orange blinking

hp 6735s when power on not display

Posted on Feb 11, 2010

  • 3 Answers

SOURCE: Hello, I have a problem

Unplug the computer and take out the battery.
Hold the power button for ten seconds.
Leave the battery out and plug in the power cord.
Press the power button.
If the computer turns on, put the battery and everything should now work.
This has solved every "laptop not turning on problem" for me and my friends.
sublimedjg

Posted on Jun 23, 2011

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did you check the output dc voltage at the power supply board if stable. if ok tried to disconnect first the supply going to the power inverter board of screen back light just to ensure if not the cause of shut down.

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Your problem is usually caused by a bad power supply. You should be able to do the repair yourself, if just requires replacing 6 capacitors on the power supply board. Here is a link to a repair guide that shows how to disassemble the monitor and repair the power supply board.

http://www.ccl-la.com/blog/index.php/repairing-a-samsung-940n-with-a-blinking-power-light/

And here is the a picture of the power supply board.



2_26_2012_5_52_16_pm.jpg

I hope this helps, if so please rate my solution.

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Check all the connections and if they are all right and tight then the monitor is probably shot. The good news is that it can be repaired. It's usually around $50.00 to $80.00 to fix. Good luck!

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Monitor Help CH000315, Black borders on side of screen. CH000316, Dead or black pixels. CH000403, Macintosh and/or PC monitor compatibility.
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Good Luck, Please dont for get to Vote/Thank You.

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