I take monitor cable of and it says no input but screen is black during this process
"no input" means that there is no signal from computer or the monitor cable is unplugged. When you first turn on monitor it usually does a self test and then looks for signal. Not connected to PC will give a no signal. If it is connected but PC is off (not unplugged) then it should go into standby as you vid card will be sending a standby signal to any monitor connected. Sometimes the Plug and Play monitors need to register before it will recognize a standby signal from PC, so plug it up and boot up PC. Then shutdown normally, your monitor should go into standby when the PC shuts down.
SOURCE: Westinhouse L1975NW Monitor
i got this westinghouse free from a friend and it dosent have any backlite power i beleve that the power supply is bad and needs replacing. the light for the power truns on but the monitor dosent to anything i have dissasembled it all the way to the ribbons that go to video and the back lite connectors. well there is now power from the backlite connectors so taht is what makes me think the board is bad. well if you know how to fix PLEASE. let me know at [email protected] thanks
SOURCE: The monitor is on and seems to be running, have visibility prob.
George, I hope you got IT for free!! You too should find out all you can about LCD cold cathode fluorescent lamps and their electronic ballasts circuits which are called "INVERTERS" and obtain their dc voltage from the monitors "switch-mode-power-supply". If you can see an image on the screen even though it looks BLACK then you know that only half the SMPS is in SHUTDOWN mode. Why don't you try visiting YOUTUBE to search for LCD monitor Disassembly videos that are of the 8-12min long versions just FYI. also try vids of LCD repair and see if the symptoms are same as your's! Then get back to fixya and find out your options on what to do next. You may even tell us WHAT you're going to do!!! I'm louie12fix on fixya or lmistyrel @ aol. com hope this helps you out a little. please rate this response at fixya. Bye for now. louie nw of Chicago.
SOURCE: DVI-D cable not working with Westinghouse L1975NW...
If the monitor has two video inputs - a DVI-D and a DSub VGA then the monitor needs to be switched to the DVI-D video input.
Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
Failed TV, Monitors, capacitors, and lamps pictures: http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Please post back what you find.
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