CCFL monitor suddenly went all glowy with a scent of green and a bluish tint. Very unpleasant picture. Eye piercing.

[Klemper]

Hiya fellas, does someone know what to do? You all have a big experience with CCFL driven backlights.

Is it the lamps worn out? It was fine until today, I tried another GPU, all the same.

[D.Draker]

A very unfortunate event indeed! If you already checked it with another PC (not only the card), then I'd start with more in-depth testings, like replacing the caps and measuring their capacity/ripples.

 

[D.Draker]

But then again, not worth if it's very old, better find the same model on the used market. As it could be costly to buy the good caps.

[D.Draker]

16 hours ago, Klemper said:

Is it the lamps worn out?

Usually they dim when old, or become orange/yellowish.

[j7n]

The lamp has all the colors in one unit on the phosphors. It can't lose one of them. I've had a pin on the VGA connector getting bent and two colors combining. If it is the display panel that is faulty, I've never seen it repaired, only swapped out. It is probably too hard to deal with the microscopic components. At best you could probably try to clean and reseat all connections inside. If it was the power supply, the display would probably not turn on. Maybe the fault is on the video board where the input is.

[jumper]

Unplug the power overnight to fully drain all capacitors. Then try with a different data cable.

 

[D.Draker]

23 hours ago, j7n said:

The lamp has all the colors in one unit on the phosphors. It can't lose one of them.

I'm afraid you confuse the old "TV" style CRT (RGB beams, VGA) monitors with liquid crystal ones (LCD) that use CCFL bulbs only as the back-light, which is the case in this topic.

https://www.techopedia.com/definition/8021/liquid-crystal-display-monitor-lcd-monitor

https://en.wikipedia.org/wiki/Liquid-crystal_display

 

[D.Draker]

22 hours ago, jumper said:

Unplug the power overnight to fully drain all capacitors. Then try with a different data cable.

 

Or: Unplug the power, press and hold the power button for 30-40 seconds.

[D.Draker]

23 hours ago, j7n said:

I've had a pin on the VGA connector getting bent and two colours combining.

From what I understood, all colours are there, they are just with a nasty tint/shade all over them.

[D.Draker]

23 hours ago, j7n said:

Maybe the fault is on the video board where the input is.

Agree on this one, and I suggest @Klemperto try on another computer (not only card!).

Better not use yours, to avoid the possible damage. Who knows the reason!? 

[Klemper]

On 12/13/2024 at 2:13 AM, jumper said:

Unplug the power overnight to fully drain all capacitors. Then try with a different data cable.

 

Thanks very much, didn't help((((

[D.Draker]

Could be a faulty transformer on the inverter board since all the colours are present, and the glowing tint may come from the CCFL bulbs.