Question about Gateway 7330GZ Notebook

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Back Light The back light for the lcd display only come on for about 2 seconds then go off

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Take it to where you bought it if it's under warranty Gateway will cover it

Posted on Nov 13, 2007


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Posted on Jan 02, 2017


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My telefunken lcd model tlcd 40fhdb does not display but sound is there. how can i solve without a remote. if i switch on it displays for 2 seconds then display goes off

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. 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. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Nov 18, 2016 | Televison & Video

1 Answer

LG shows it will lose display in 3 seconds

hi the tv has detected a fault with the back lighting, now it could be a problem with the voltage to the back light or some of the leds in the back light have failed, it will turn off the back light when it finds a fault. behind the screen there is rows of leds on strips and they all light up when the screen is in use. and the main board knows they are lighting up by the voltage its using. when to many leds go out the voltage is too high so it will turn the back lights off to save them. also the same if the power board is not supplying the right volts. say the volts need to light the back screen is 64 volts and its only giving 62 volts the power is not right so it shuts down. same for if the volts go up to 64.5 volts it will do the same. hope this helps you under stand.

Jun 11, 2017 | LG 47 47LV5500 47 LCD TV

1 Answer

When my computer boots up sometimes the screen is ok, but more often the screen fades and goes black. If I switch the monitor off and then on again the screen shows the icons etc for about 2 seconds and...

This could be that the screen topback light or bottom back light is bad or the inverter.
the topback or bottom back light could also be seing as the flouricent of the screen that light up the screen to enable display visible.This top back light or botom back light as the name implies is positioned at the top and bottom side of the screen.It takes an expertize knowledge for one to be able to change the flouricent when comfirms bad.The same is applicable with Inverter.

Jan 06, 2011 | Proview PL913S 19" Flat Panel LCD Monitor

1 Answer

The screen goes blank after 1 second display, flicks back again to the display for 1 second and back to blank, this goes on non stop. The little led next to the on/off button goes from green to yellow...

pandres, Your monitor will need troubleshooting to find out reason why the 2 "cold-cathode-fluorescent-lamps" fail to remain lighted. They provide "white light" so you can see what is on the lcd panel. Connect a "known good" monitor to your pc to prove monitor is bad. If pc is ok, then your monitor will need repair. This type problem not new and is very common for all brands of ccfl back-lit lcd monitors. Watch some video clips at YOUTUBE that show disassembly and repair of ccfl lcd monitors. Read fixya profiles of "budmrtn" buddymc" "12fixlouie" for more information. 12fixlouie

Sep 08, 2010 | Neovo S 19 19 in. Flat Panel LCD Monitor

1 Answer

I have samsung lcd lnt4661 model. I had problem with my tv now. when i turn it on after 2 seconds the backlight will turn off which give no picture but there is sound.

There are two possibilities for back light off after 2 seconds.
One reason is back light inverter boards got defective for some reason (this tv has 2 back light inverter boards on either sides) and second possible cause is power supply is not giving out sufficient voltage supply to back light board.
Let me know your expertise level to provide you more technical info.

Aug 03, 2010 | Televison & Video

1 Answer

Screen goes black after 2 seconds

This could be one of two problems, the light in your monitor has a loose cable, or the light is dying. I have seen cold cathode lights that are about 10-15$ to buy and many instructions on putting them in yourself.

Solution 2, your cable is loose on the back of the monitor. Make sure you have the screws tightened on either side of the vga or dvi cable, both on the back of your monitor and on the back of your computer or laptop.

Jun 28, 2009 | Planar PE191M 19" Flat Panel LCD Monitor

2 Answers

The back light for the lcd display off

I would bet on a failed FL Inverter board which is the board that runs the backlight.

However, if your LCD is RED before it goes dark your backlight has failed. Given the age of the machine you will probably have to get parts from ebay.

If you can tell me the part number of the machine (on the serial number sticker) - I can look up what inverter or LCD you need - there are several different screens the 6000 series uses that are NOT cross compatible.

Dec 28, 2007 | HP OmniBook 6000 Notebook

1 Answer

LCD's won't power up

The LCD not displaying a picture may just have a back-light issue. You can verify this by turning on the display, taking a flashlight and pointing it at the LCD then looking at the area that is illuminated on an angle and up close (1" - 2"). If the picture is visible then it is a back-light. You either need an LCD back-light inverter or the back-light itself.

Nov 08, 2007 | Westinghouse LVM-37w1 37 in. HD-Ready LCD...

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