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hi the cause is screen back light not working properly. you need to remove the back cover of the monitor to access the internal part of the monitor. then look for the connector of the cold cathode fluorescent tube back light going to the power inverter board of the back light you will noticed a dry joints which cause a loose connection that is why you hear a sound that cause of spark. you need to re soldered the connector or replaced if totally burned.
try with restarting computer & press F8 at the same time. u will see
a menu where choose "safe mode" & start the computer. in safe mode
see the display properties, set the refresh rate & resolution
according to monitors specifications, apply & restart again. if that
does not work, replace the main board of lcd monitor.
Try the monitor on another computer that you know works, If it works on another computer then that means you have no video output on the original computer and you'll need to reseat the memory on that computer.
If you get the same response on another computer, then that means the monitor is bad and you'll need to replace it.
bzinbby1, Hi, I think I know what's wrong. In fact I already know what's wrong! But I want you to do one test to let me know how bad it really is! Here is the test. I want you to reconnect your Proview to an already fully booted "KNOWN GOOD" pc with WIN DESKTOP showing. Then and only then power up the Proview and hold a good, bright flashlight 2 inches from the lcd screen after the screen goes to BLACK! Even though the screen appears BLACK, can you still see the WIN Desktop if you hold the flashlight at different angles???? Get back to me with results of test. I will then tell you what options are open to you as a consumer whose screen is now dark and lifeless. I'm louie12fix on fixya or lmistyrel@ aol.com
Are you able to see a slight image on it at dusk and maybe with the
help of a flashlight. since your blue light stays on the video board,
may be okay.
It sounds like you have bad capacitors on your powerboard or possibly a burned out transistor on the inverter.
Only way to really tell is to open it up.
If you unplug the screen to video board ribbon, you may notice a different effect in the screen lighting.
There is a chance one of your bulbs is creating a problem
Should the screen happen to light up all white, then your power board
and inverter are okay and the problem may be in the video board.
If it looks pinkish or dark or flickers then the bulbs or a bulb may be the issue.
If it flashes on then goes off, it's in the power or inverter board.
Power light coming on when you plug it in but no
lighting of the screen is usually caused by the power inverter board
having gone bad. Common on the 17s due to their age is a bad bulb or more.
I repair these 90% of the time