Question about Samsung SyncMaster 712N 17" Flat Panel LCD Monitor
I have a Samsung SyncMaster 712n I turned the computer on , but my screen is black and the power light is blinking. I unpluged and repluged but still nothing on the screen.
Please help thank you , Mitzi
Posted on Dec 01, 2008
CH000315, Black borders on side of screen. CH000316, Dead or black pixels. CH000403, Macintosh and/or PC monitor compatibility.
Black borders on side of screen. Additional information about what causes black borders on computer displays.
Good Luck, Please dont for get to Vote/Thank You.
Posted on Dec 20, 2007
I get this problem too, usually I just punch the moniter(not on the screen part) until the screen comes back. its pretty effective but annoying to do every few hours.
Posted on Apr 11, 2008
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Posted on Jan 02, 2017
A blinking blue light indiactes that your power-inverter board is not
putting out what it should. It needs an overhaul which may be a simple
as changing out the capacitors on the boards.
It could go beyong that to transistors or even a bad bulb.
It will have to be opened up to do that.
A picture may show visual signs of damage. If you can take one and email it to me , I'll take a look.
Posted on Oct 18, 2008
SOURCE: Dell Blinking Power Light
There are 4 transistors that go bad due to various issues (one being a cold solder issue with the power inverters for the transistors. I had this fixed and replaced the transistors. They lasted about 10 months). The 4 No. 2SC5707 transistors must be desoldered and removed, new ones put in their place and resoldered. I took the parts (transistors) and the removed power/circuit board from the LCD to a tv repairman and he did the repairs (de and resoldering) for about $60.
Posted on Dec 24, 2008
some transistors on the board have shorted they supply power to the inverter to run the lamps, they power is not cut off intermittently and the protection circuit has stopped the monitor. the fix is here
goo dluck if you want it fixed for you let me know
Posted on Mar 22, 2009
Tips for a great answer:
Nov 24, 2013 | Dell SE198WFP LCD Monitor
A solid green light means the computer is operating normally.
A solid yellow light indicates the power supply is operating normally but the computer is not processing data.
This could mean there is a problem with the CPu or another component on the motherboard.
((A blinking yellow light indicates the power supply is receiving power from the wall, but not functioning properly.
This generally means the power supply itself is bad and should be tested or replaced.))
A blinking green light means the computer is in standby mode.
You should consider visiting Dell Support and downloading the manual for your
your Dell computer. So use the LED power light codes if your Dell computer has them.
hope this helps
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