Question about Samsung SyncMaster 540N 15" LCD Monitor

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Only inverter problem model 540n lcd moniter - Samsung SyncMaster 540N 15" LCD Monitor

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Dell e198fp suddenly appeared Auto Adjust In progress. Do not know how to turn OFF. Please help

this is lcd inverter problem open your lcd moniter case and resolder your lcd moniter power board

plese vote me and rat it

Aug 14, 2011 | Dell E198FP LCD Monitor

1 Answer

The display in the monitor is delayed after the computer starts

the problem of your monitor is in the inverter board of that monitor..there are some capacitor's on the inverter board is damaged..change the capacitor and your problem will be solved...

Feb 27, 2011 | 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

I have a syncmaster 540N monitor for 3 yrs. Until a week ago it was working superbly..Bt now the display appears after 5 - 6 mins..plz help..

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 SAMSUNG monitors to get some ideas what to look for:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Service manuals:

May 12, 2010 | Samsung SyncMaster 540N 15" LCD Monitor

2 Answers

Samsung 540n TFT display comes for about 15 sec. with low breightness and then no display power remins on. This happens even when VGA cable is disconnected.

gptajipcf, When very strange things start to happen with LCD DISPLAYS the first place a Technician will investigate would be the monitors "switch-mode-power-supply" and it's "inverter" supply that supplies 800-1200vac to light up the "cold-cathode-fluorescent-lamps" that provide "WHITE LIGHT" for the LCD panel. I recomend a visit to YOUTUBE so you can find and view some video clips of "LCD monitor disassembly" and "LCD monitor repair" and find out if you think you would be able to repair your monitor or have someone else do the work for you. You didn't tell us if the unit is still covered by warranty??? Check with Samsung about doing a CASH+OLD for a Refurbished same model unit. Also visit for more info on what may cause your monitor to do stupid stuff as you described above. I hope this info was of some help to you. If so please rate this response on fixya. 12fixlouie Bye for now.

Oct 26, 2009 | Samsung SyncMaster 540N 15" LCD Monitor

1 Answer

Acer LCD AL1916W

This usually means the Power Inverter board is going bad. If you're a bit savvy with tech repair, you can look up and order a replacement board - LCD inverters for MANY LCD models are available on ebay and amazon - they're relatively easy to replace. Just make sure the power is UNPLUGGED before to start taking apart the display!

Feb 13, 2009 | Acer AL1715 (Black, Silver) 17" LCD...

1 Answer

Laptop screen

Have you tried hooking up an external moniter? If so do you have video on that moniter? If you do have video on the external moniter then you most likely have a bad inverter or a bad lcd panel.I would replace the inverter first because it's not very expensive.If that doesn't work then you can replace the lcd panelAnd if that doesn't work you have problems at the system board level.

Dec 15, 2008 | Compaq Presario M2000 Notebook

2 Answers


To replace all Micro switches in the front pannle
Check any Loose contacts

Aug 27, 2008 | Samsung SyncMaster 540N 15" LCD Monitor

3 Answers

Samsung monitor troubleshooting

my computer power is on and my computer also start quick but the screen of the this moniter start after 15min to 30mins this problem how to solve.

Aug 23, 2008 | Samsung SyncMaster 540N 15" LCD Monitor

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