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White screen with stripes

After 5 months of purchase,i can hear a beep sound from my 500G CRT monitor at the time of statrtup.i informed lg,the serviceman told me it is becoz the flap inside it ,became dusty.he cleaned it.but the problem persisted.it was not too noisy, so they ignored it.later one day,my screen showed white screen with stripes.but in the background i can see the desktop.i informed Lg .they told me to unplug the signal cord from CPU.at that time,monitor displayed ''self diagnostic mode,check signal cable'' with black color in the background.So they told it was a problem with cpu.there were no problem till about 6 months,and now it came back.i removed signal cable,but the white screen with stripes ,persisted.the problem was worse than before,i can see nothing.too bright screen.but we can hear windows loading sound.so it should not be CPU problem .What i''l do. My guarentee expires this june

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  • 90014 Mar 24, 2009

    You definitely must exercise the warranty. Everybody in the industry, but not consumers, knows about 'white screen' problem because it's happened on every computer part using capacitors built one year. It's the pixel controller and not the lamp one.

    Some years ago one capacitor manufacturing company reduced the costs of making capacitors. All capacitor manufacturers thought this such a grand idea they did the cost cutting as well. After a year the capacitors started going bad on all kinds of pcb boards. There was almost no news about this problem at the time. I forget were I read about this, but is was around a year after they started.

    The capacitor bulges at the top and sometimes erupts. I have no idea what the eruption is. This did happen to my nice AUSE motherboard, but I didn't know until my computer would just go off. Not even the BSOD, just off. I forget how long I could use it before it would die, but I think it was about an hour or two after turning it on.

    I haven't a clue what a capacitor does or if someone with skill can replace them. But I have read that some other folks have tried changing them on their LCD monitors with very short term success. A a day or two. My current LCD monitor has this problem.

    If yours is still under warranty, then absolutely get a RA#. Yours is the first I've read about with the product still under warranty. You are very fortunate.

    Peace

  • mavamaarten May 06, 2009

    I have thesame problem.
    When I turn on my screen (NOT my PC) I get white stripes, then a black screen, then standby mode. When I turn on my PC, the screen acts like normal (turning off, on, off on while windows starts) but it's white with stripes, kinda randomly acting 'plasma'. After some shutdowns / restarts, my screen suddenly says 'Into sleep mode'. WHen I turn on my PC again, I can see flashes of the screen, and after a minute everything is normal. Same problem ?

  • mavamaarten May 06, 2009

    I have thesame problem.
    When I turn on my screen (NOT my PC) I getwhite stripes, then a black screen, then standby mode. When I turn onmy PC, the screen acts like normal (turning off, on, off on whilewindows starts) but it's white with stripes, kinda randomly acting'plasma'. After some shutdowns / restarts, my screen suddenly says'Into sleep mode'. WHen I turn on my PC again, I can see flashes of thescreen, and after a minute everything is normal. Same problem ?

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I know how to solve this problem, its worked for me...see, what you do is smash your head on the screen untill you see blood everywhere and the screen cracks...
http://www.youtube.com/watch?v=GytPv_v29lc
we'll miss u buddy, R.I.P

Posted on May 31, 2010

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