I replaced the 3 capacitors now there's just bright white screen
I had the same problem with vs19e screeen - no life at switchon. I replaced the 3 capacitors but now at switchon there's just aplain bright white screen that doesn't respond either to the keyboard or the control buttons down the side of the monitor. Any ideas ?
Re: I replaced the 3 capacitors now there's just bright...
Open your monitor back up and look for unplugged connectors, especially the one to the back of the LCD. I had this same problem with a HP F1703. The owner whacked it so hard when the backlight stopped that they dislodged the connector.
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most common problem is bad electrolytic capacitors if unit is a few years old. Take it apart and replace any swollen, ie bulging top of the aluminium can... but may be 'off-value' if not swollen. Any electronics from China will fail within 3 years due to bad electrolytic caps..
that is not a monitor problem that is a cpus problem disconnect the signsl cable and connect power cable you will see the post (power on self test) open the cpu draw the ram clean the dust and reinstall the problem will solved
About your only hope for getting a replacement switch is to buy a "Parts Only" monitor off of EBay and carefully remove the switch. This one is tricky it's attached to the front bezel as you've likely found out. When you disassemble the monitor, lay it face down and remove the bac plastic then remove the 4 screws holding the button board on then take the rest apart. That's the safest way.
Cap Xon, 1000 uf 10V, KF 105 deg C, P602 vent
(3) capacitors identified on the board as: C822, C823, C824
They are the 3 right above where the multi color wiring harness plugs into pwr supply board shown in lower right of pic.
you probably have a bad capacitor on the invertor board. try shining a flashlight into it to see if you can see anything. if capacitors are good, you might have some burnt out backlight bulbs. i just had the same problem, replaced the capacitors but messed something else up on the way i guess cause now all i have is a bright white screen with a few colors here and there.
I found in the refuse, a Gateway FPD 1520, 15" LCD monitor that started off losing the screen half-way, losing sync, etc. The "mechanical agitation" method was applied and remedied the problem. Awhile ago, it went to a white screen (or, as it was back in the day- a clean raster). I opened it up and found that the ribbon cable on the left was loose. I applied a series of layers of adhesive-backed foam (the kind you stop drafts in your home with) until it was greater than the height of the metal enclosure to put pressure on the unbehaving connector. It does seem a bit loose and this will keep it snug. Maybe hot glue or other adhesive if it wiggles loose again. Seems to have solved the problem at the moment.