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Posted on Dec 04, 2012
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I have a Sony Vaio PCG-2J3L and when the lighting for the screen is on bright the screen will stay lite for a couple of seconds and then go black but you can take a flash light and turn it on the scre

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It is a backlight problem. I have 2 of these and they both have the same issue. The backlight itself is not bad, but the inverter board apparently is faulty. As soon as it heats up, out goes the screen. Again, you can see everything fine when holding a light up to it.

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  • Posted on Dec 05, 2012
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If your laptop appears to boot up and the hard disk LED flashes, then the problem is probably a back light fault. This can be a faulty inverter or a faulty CCFL lamp. Please click on this link and follow my instructions to identify the fault and possible fix :- http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen

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5 Related Answers

Anonymous

  • 62 Answers
  • Posted on Nov 20, 2008

SOURCE: cant see anything on my sony vaio pcg-72dl screen its just blank

Your backlighting may be out.

Try shining a flashlight onto the screen with the lights off in the room.

If you can vaguely see your desktop on the screen, then your backlighting is out.

Let me know if this works,
Simon.

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leecom72

Lee Hodgson

  • 4810 Answers
  • Posted on Jan 21, 2009

SOURCE: PCG-8P3M starting problem

Hi there
plug an external monitor to the laptop to rule out the inverter
post back

cpenzes

DEKR

  • 1102 Answers
  • Posted on Feb 01, 2009

SOURCE: won't stay on

IS THIS WITH BOTH AC CORD AND BATTERY
you probably need a power supply
before you run out and buy one start and press f8 then start in safemode see if the same thing happens
also make sure your AC adapter is connecting with internal connection the internal connection can become loose or bent from constant plugging and unplugging

Anonymous

  • 7 Answers
  • Posted on Dec 24, 2009

SOURCE: VAIO PCG-8Y2L won't boot - no display, no nothing....

I smell a Hardware fault,or your Display might be busted...I suggest you Visit a PC store and let them check it out.

Vijay Kumar

  • 76 Answers
  • Posted on Dec 01, 2010

SOURCE: hi, i'm turning on my

Hi, If you are able to View the VAIO Logo, then you can Perform Recovery using the Recovery Partition. If the issue still persist then it is required to get the unit serviced. Performing recovery will erase all the Data in the Computer.


If you are not able to view the VAIO Logo, then try disconnecting the Computer from the Power Supply, Remove the Batteries RAM Module from the Computer, then Press and Hold the Power Button for 30 seconds. Now replace the Batteries and AC Power then check. If the issue still persist then it is required to get the unit serviced.

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A couple of thing will cause this, The backlighting is going out due to a tiny switch, that controls the light when you open and close the lid. It's located near the hinges, it can get stuck due to dust or a misaligned hinge. Take a look at this: http://www.youtube.com/watch?v=2Yi6GNFcP3w
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Try this: Unplug your computer from electricity, remove battery, then, press and hold the power button for about 30 to 60 seconds, leave battery out connect to power then, try to restart
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How can I adjust me laptop's brightness?

You really cannot adjust screen brightness through windows unless you have calibration software that uses a light detecting frame... I had a Sony Vaio PCG-something and Vista really screwed it up as well. Here's the Sony eSupport website where you can enter your model and reinstall some originals drivers for the computer that may restore functionality to your function keys:
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