I have Relisys 17" colour TFT monitor 4 years old, I recently started to get horizontal black lines across the screen,first they started to appear after 2 hours from use, now after 20 minutes up to 2 hours from swiching monitor on,sometime they disappear after few minutes,or not and screen becomes shacky,if I swich the monitor off briefly but keeping PC on,then swiching the monitor back again,the problem appears to be resolved and monitor works find,on other occasions the lines remains after reswiching the monitor,I heard Relisys has sold their business in the UK and do not know how to get support from them or possibly repairing the monitor by them at cost,any one can help?many thanks.
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When you see lines like these across your LCD, it indicates a problem with your monitor's electrolytic capacitors.A faulty filter capacitor in the power supply board (SMPS board) can cause horizontal lines across your monitor screen.Horizontal screen lines are one of the most visible problems I see in LCD monitors & TV's that are 3-7 years old. It can happen as much from heat, humidity & less-than-ideal operating conditions, as it can from fluctuating current supply or manufacturing defects.
The way to repair horizontal screen lines is by removing the capacitors from the printed circuit board (PCB) and testing them with a LCR meter.
If it shows zero, there's your confirmation that the specific capacitor needs to be replaced.
now if you can replace them your welcome but i wont suggest that , cause you may break it more....!
any ways do comment if it helped you in any manner!
THE PRESCRIBED ARROWS ARE FUNCTIONING WELL FOR INCREASING THE VERTICAL SIGE OF THE DISPLAY OF THE MONITOR.BUT THE HORIZONTAL AROWS WHEN OPERATED ARE NOT ABLE TO INCREASE THE HORIZONTAL DISPLAY OF THE MONITOR TO FULL SIGE. PLEASE GIVE APPROPRIATE SOLUTION.
Sounds like an inverter problem. If the power supply is internal replace the capacitors coming out of the voltage regulators. These are usually 1000mf and/or 470mf. If that doesn't do the trick look up the numbers on the 8-pin chips that drive the secondary transformers on the inverter to see if they are getting the right voltages. Good Luck!
Try plugging in another known working monitor and see what happens. That will tell you whether the issue is with the monitor or your HP. And do not go to HP for assistance since they will not do squat for you - horrible support and not deserving of business.
I would check the cable and connector pins first.
Then I would suspect there's a problem with the video signal board inside the monitor.
It could be the LCD panel controls, too. That would make the unit beyond economical repair unless you got a used one.