Several days ago a friend gave me 3 defective displays that were in the dumpster at his office. They where complaining that the image was unstable, they where shutting off, etc.

That made me curios if the CCFL’s where dying or they had some power supply problems, as all 3 are very old monitors with a lot of run hours

Disassembling them revealed that at least the power supply had better days. Most of the low voltage capacitors where faulty.