Question about Gateway MT3705 Notebook

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Screen blinking on and off

My screen blinks on and off and then just goes black. is it the inverter or the backlight?

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Go to device manager and uninstall the display adaptor. restart the computer. If the drivers are not installed automatically install it by downloading the latest drivers from gateway website. make sure there is no electronica device near the laptop

Posted on Oct 02, 2008

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Posted on Jan 02, 2017

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Klv32s310A sony bravia gets start on with green light and after a second turns to stand by mode blinking the red light 6 times after each 2 second interval


Hello Sagar,
green led means tv powered on and status ok.
Red blinking light almost always means defect, overcurrent or overload.
6 blinks for Sony lcd flat tv means trouble in backlight circuit, or backlight inverter (backlight illumination or lighting makes your tv screen visible).
common problems in the inverter circuit, which drives the backlight, or shorted drivers, or short-circuit transformers or open circuits.
You should find the problem in the inverter circuit, or in the power supply board or in the main board.
Also look for bad capacitors (electrolytic caps) which are bulged and swollen on top.
Decoupling plugs from printed circuit boards can help you in finding the problem board by elimination method.
If you power up the set after unplugging certain plugs on f.e. the inverter board , this could result in getting a green power led and concluding that this board is faulty.

succes,
Walter from Antwerp, Belgium.

Dec 30, 2014 | Sony Televison & Video

1 Answer

47lh90 blinking red light and flickering


the regulator for the Inverter supply would be the first thing i would suspect if the voltage drops then picks up again. Then I would also check the transformers on the Inverter that are in line with the area of the screen that flickers.

Mar 22, 2013 | LG 47LH90 47 in. HDTV LCD

1 Answer

How to FIX


Televisions have protection circuits which prevent full power-on if a fault is detected in a high voltage/high current circuit such as the backlight inverter.

Some googling on 'Sony Blink Codes' found that 4 blinks is 'backlight failure'. A common failure in LCD displays is the backlight inverter board which is a transformer similar in function to a fluorescent light ballast, as the backlights are fluorescent lamps.

If the screen color is getting pinkish/reddish, that's a sign that one or more of the lamps themselves are going bad.

Since multiple lamps are connected to (typically) two inverter boards (a primary and secondary board), I am fairly certain that the blink code refers to a failed inverter board and not a failed lamp.

Oct 19, 2009 | Televison & Video

1 Answer

Red light blinking and screen black


I can only make a guess here with the symptoms. On most flat panel TVs the Power Supply Board for the screen goes out causing this problem. Most manufacturers call this board a Backlight Inverter Board. A local TV repair shop should be able to confirm the problem.

Aug 21, 2009 | Samsung LN37A550P LCD TV

1 Answer

My screens works for about 10 or 15 minutes and then goes out...


You could have a faulty inverter or a CCFL lamp, To determine if you have a LCD screen, inverter or video card problem, read this and follow these instructions.
Defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp.
Connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out
www.lcdparts.net
for parts, repair service and DIY info.

Aug 03, 2009 | HP Pavilion dv2715nr Notebook

1 Answer

Standby LED blinks 4 times


Hi there,

4 blinks on a Sony Bravia indicates a backlight/inverter (aka ballast) problem. These ballasts are regrettably only available with an entire LCD panel. :( You may perchance be able to find a parts outfitter online that scraps out TVs and have a used ballast.

Typical backlight problem on an LCD shows up as the screen lighting up for a second or two and going back off. The 4 blinks just confirms your problem.

May 14, 2009 | Sony BRAVIA KDL-40S2010 40 in. LCD...

1 Answer

Toshiba satellite a135 monitor goes black


You could have a defective screen - a defective inverter or a CCFL lamp.
To determine if you have a LCD screen or video card problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:

  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

May 03, 2009 | Toshiba Satellite A135-S2386 Notebook

2 Answers

Acer AL1716 Blank screen & blinking green power LED


Hi..there,
You've got a busted backlight inverter... Need to replaced a new one...

Dec 17, 2008 | Acer AL1716Bbd 17" LCD Monitor

1 Answer

Monitor suddenly goes black


Is this monitor and LCD flat Panel? If so this is due to a bad power supply, an inverter board going bad or LCD backlight bulb blown. When the backlight goes bad it gets just enough power to start up, but when it is on for a long period of time it goes black because the bulb is not stable enough to hold the charge because it is going bad. These bulbs can be changed, but they also can be costly!

Nov 17, 2007 | LG L1930B 19" LCD Monitor

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