Question about HP Pavilion F1903 19" Flat Panel LCD Monitor

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The screen is black but there is power and the blue light is on

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Check the fuses in the inverter board, also check all four transistors on the same bd.
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Posted on Jun 03, 2010

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Neh4k, If you KNOW pc is ok, then go visit this web blog to see if you have same type problem with CCFL inverter board inside monitor. www.lesliewong.us/blog/2005/05/02/hp-pavilion-f1703-flat-panel-display-blackout-solution/ It may be that the unit will need to be refurbished. Lots of info on web and at YOUTUBE (DIY video clips) ALL CCFL-backlit lcd monitors are of same basic design and operation. You and only you will determine final disposition of your unit. Have you done "flashlight" test to see if unit capable of "faint image display" on the glass lcd panel? Read fixya profiles of "budmrtn" , "buddymc" and "12fixlouie" for more info and follow links you find there. 12fixlouie

Posted on Jun 01, 2010

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1 Answer

Why does it turn from blue to black after 10 sec.?


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced.

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I have a Olevia lt37hvs, When i plug it in the blue(olevia)light comes on then goes off and the screen will be blue for 5-6 second then go black for 1-2 seconds then screen goes blue again and it just...


tried to connect again the supply for main board and disconnect the supply for the inverter board of back light. and turn on the tv, if the indicator stay the inventer board was the cause of voltage drop at the power supply board.

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1 Answer

Light bulb icon lite up blue and black screen


Remove main battery and power up, no change! sub out the memory ram one at a time and test each piece, if still no change! laptop will need to be checked.

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1 Answer

16" lcd new out of box flashing blue light on power indicator


Under a year old tv?This tv have power supply problems.Call the for warrenty repair.Or tries websites like shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

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1 Answer

Non-responding screen, blue indicator light?


I also got this blue screen,
I fixed it wiit a registry tool, it is powerful suggest you have a try!
Fix blue screen now.
Download blue screen fix tool.

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1 Answer

Worked fine this am now black screen blue power button


This is usually the inverter/power board failing. If it's under warranty, you should return for repair/replacement, if not, you can search for online the inverter/power supply board - it can be as expensive as finding a good clean used monitor, so many people choose to not go the repair route.

Good luck!

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1 Answer

Won't boot


was there any changes done to your system like upgrading anything
All your power seems to be on right

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