Question about Samsung SyncMaster 540N 15" LCD Monitor

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I have SAMSUNG SYNC MASTER 540N MONITOR. THE PROBLEM IS THAT WHEN I TURN ON COMPUTER THE DISPLAY COME AFTER 5-10 MIN. AFTER THAT MONITOR WORKS NORMAL AS LONG AS I WORK ON IT. WHAT IS THE PROBLEM? KINDLY HELP ME --- Milind

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I start my PC monitor display after 10 to 15 minutes, I have tested with another monitor its start immediately, what is the reason with my sync Master540n Samsung monitor


you have to open the back cover of your monitor have a visual check on the capacitors at the power board.replace any bulging capacitors on it and resolder the board..good luck!

Jun 11, 2011 | Samsung SyncMaster 540N 15" LCD Monitor

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When i turn on my lcd samsung syncmaster 540n it displayed a lot of colored vertical and horizontal lines.no video when i attached my cpu but it turns on when i powered my cpu


boot up in safe mode (press f8 while booting) If your monitor works now, you need to go the the samsung site and download the driver for you monitor. I assume windows 7, since that is where most of the monitor problem occur.

Mar 08, 2011 | Samsung SyncMaster 540N 15" LCD Monitor

1 Answer

I have SAMSUNG SYNC MASTER 540N MONITOR. THE PROBLEM IS THAT WHEN I TURN ON COMPUTER THE DISPLAY COME AFTER 5-10 MIN. But after some days display is not coming at all and monitor turn on/off button is...


Try it with another PC and also check the VGA cable, if it still does not work, you will have to ope it up and do in-depth troublshooting.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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 SAMSUNG 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.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you

Nov 02, 2010 | Samsung SyncMaster 540N 15" LCD Monitor

1 Answer

My monitor sync master 540n when i want to use it not come display again keep in on position for half an hour it comes what is the problem


kalyanaramud, Not problem... only poor quality factory soldering of internal electronic components to circuit boards!!!!! 6000 to 10000 "on" / "off" cycles should not cause this problem!!! Inspect the units "switch-mode-power-supply / inverter board for the 1 and 1 only bad solder joint, resolder it and unit should function properly. Let me know what you find when you do inspection of unit. Document work with digital pic's of every step. Notify brand name of filter capacitors inside unit on SMPS / inverter board. 12fixlouie

Sep 05, 2010 | Samsung SyncMaster 540N 15" LCD Monitor

1 Answer

Change the display resolution from 1024x768 to1024X1280


go to control panel > dosplay settings > click on the settings tab > click on the advanced button > c.ick on Monitor and tick the box that states "Hide Modes that this monitor cannot display > click the adapter tab > click on button "List all modes" This will list every resolution your monitor is capable of displaying.

Sep 17, 2009 | Samsung SyncMaster 540N 15" LCD Monitor

1 Answer

Problem with samsung syncmaster 540N 15"


To replace all Electrolatic capacitors in Power supply& drie Currected
check all connectors are properly connected r not

Sep 13, 2008 | Samsung SyncMaster 540N 15" LCD Monitor

1 Answer

Startup trouble


this is cause by deffective power supply.

Jun 26, 2008 | Samsung SyncMaster 540N 15" LCD Monitor

1 Answer

Samsung lcd monitor 540n display problem


sir,,,the power supply has been damage kindly checkit right away,,thnkss and hope to help you??

Jan 29, 2008 | Samsung SyncMaster 540N 15" LCD Monitor

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