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Screen broke I HAVE SONY PCG 9221 WHIT THE SCREEN BROKE,IWANT USE THE VGA EXIT FOR CONNET EXTERNAL MONITOR ,PER DONT HOW O WHICHBUTTON PREES IN THE KEYBOARD FOR TRANFER THE SIGNAL TO THE MONITOR OUTSIDE I SEE IN THE COMUTER KEYBOARD TWO BUTTON ,ONE SAY LCD VGA OTHER SAY LCD TV WHAT I DO PLEASE THANK FOR YOUR HELP

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Hi ,

It's normally the "Fn" key together with one of your "F" keys, eg. Fn+F2

Try and see if it works

Good Luck

Posted on May 25, 2009

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Posted on Jan 02, 2017

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How do I hookup an external monitor to my desktop sony vaio all in one touchscreen model PCG-281L


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Sony pcg-71315l mother board power on ok capslock ok but no display,15.6 screen ok.


Ether Vga Cable faulty or the screen or on board graphics or graphics card shot

Dec 26, 2013 | Sony Vaio Pcg-71315l Laptop Screen 15.6...

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Vaio Manual


You should have a HDMI port on your laptop.
Get a HDMI to VGA adapter cable to connect the laptop to an external monitor.

You will also need to adjust your screen to fit the monitor.
Hold down the Fn and one of the function buttons on top (F7 I think) to switch to external monitor. Choose a mode (e.g projector mode)

Nov 17, 2013 | Computers & Internet

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I have a Sony vaio PCG 5K7P, and it's not getting started...when I switch it on...only the fan works and the lights on wifi and the charger are working....no display on the screen and no processor


Laptop on, shine a flashlight at the LCD screen at various angles.
If you see a faint image the problem is the Backlight, or screen Inverter.

90 PERCENT OF THE TIME the fault can be attributed to a bad screen Inverter.
(IF the laptop uses a screen Inverter.
CCFL backlighting uses a screen Inverter.
LED backlighting may, or may Not use a screen Inverter)

No faint images?

See if the problem is the graphics chipset, or Video Cable, or inside the Display Assembly.

Graphics chipset:
Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port, on the laptop.

This is an example of a VGA Cable, and VGA connector, (port),

http://en.wikipedia.org/wiki/VGA_Connector

Scroll down a little for cable example.
You can use a CRT type of monitor, (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.

Turn the monitor on. If a CRT type of monitor allow it to warm up.
Turn the laptop on.
By factory default settings, the display should show on the external VGA monitor.
IF not;

There are at least 3 display options available;
1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Hold the Fn key down, and at the same time tap once on the F8 key. (The F8 key is the Display Toggle-Over key)
Still no display on external VGA monitor?
Hold the Fn key down again, and tap once more on the F8 key.

No display on external monitor, suggests a problem with the graphics chipset.

Most of the time the graphics chipset itself isn't the problem.
It is due to inadequate cooling for the graphics chipset, and this causes a problem with the MOUNTING, of the graphics chipset TO motherboard. (BGA surface mount)

If this is found to be the problem I will go into more detail.
I don't believe that is your problem, but there is NO guessing here.
We are following a diagnostic flowchart.

Good graphics on the external VGA monitor, means there is a problem with the Video Cable, or inside the Display Assembly.

A) Video Cable connections can be loose.
Connection at motherboard side, or connection of small cable to screen Inverter from Video Cable, (IF it uses a screen Inverter), or connection at back of LCD screen.

A LOT of times a loose connection can cause what you are seeing.

Video Cable could be damaged. Wires inside stretched/broken.

Inside the Display Assembly:
Video Cable checks out after a continuity test, then the screen Inverter is next in the diagnosis. (IF a screen Inverter is used)

Screen Inverter proves to be good, the problem is the LCD screen.
NO screen Inverter is used, the problem is the LCD screen.

Sony drives me crazy with their model numbering system.
What is the other model number on the bottom of the laptop?
Start with a VGN?
Post back in a Comment.

Once I have a model number I can deal with, I will post back with step by step info, and additional manual information.
(Service Manual. Perhaps pictorial guides, and video/s)

Regards,
joecoolvette

[Chip and Chipset are slang terms for I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_Circuit

The I.C., or chipset for graphics, is the graphics chipset; or more properly known as the G.P.U.
Graphics Processing Unit,

http://en.wikipedia.org/wiki/GPU

Jan 22, 2013 | Sony VAIO Computers & Internet

1 Answer

SONY VAIO PCG-61813M


I have the same problem, It works at an external display and the lcd and lcd cable work on another laptop.
The problem is that i have a sony vaio and it has no inverter, or at least i dont see one like an hp laptop for example. i tried to switch image from external monitor to lcd and it doesnt work. i tried everything. dont know what to do more, Hope you can help.
I have a Sony Vaio pcg-61813M.
Thanks.

Aug 29, 2012 | Sony VAIO Laptop Intel Core i3 Processor...

1 Answer

Sony pcg-71912L backlight problem


There are a couple of things that can be causing this, For starters it may just be as simple as unplugging the screen from the motherboard and plugging it back in. the other one would be to replace the screen you can find several screens online for this laptop. You may want to test to make sure it is the screen and not the laptop its self. To test it you will need an external monitor and then attach it to the VGA/DVI/HDMI port on the laptop and then turn the laptop off and then back on again, right after you press the power button to turn it on close the lid this will force the laptop to send video to the external monitor.


If you can see the screen then all you will need to do is replace the screen, If you get NO picture on the external monitor you may want to take it to a computer shop. More than likely if don't get a picture on an external monitor then the issue is the motherboard/ram stick.

Jun 19, 2012 | Sony Vaio Pcg- 71912l Laptop Screen 15.6...

1 Answer

My laptop comes on, and the screen stays blank, (black ) nothing, I tried hooking up an external monitor but it does nothing also, could the invertor be the cause? Unit is a Sony VAIO PCG-TR3A


If the invertor was faulty you would get a picture on the external monitor, assuming that the external monitor and the laptop was configured to work. Check the Fn key and F5 at the same time. That should switch between internal/ external or both displays.

Hope that helps.

Dec 09, 2010 | Sony VAIO PCG-TR3AP1 Notebook

1 Answer

Screen is white


You could have a video controller problem or a LCD screen problem, what you are seeing is the backlighting but no video information.
To check if you have a video problem, connect an external monitor to your laptop and bootup your laptop, if you see Windows booting up the external monitor then the video controller is OK, and your problem is the LCD screen or the video cable connection on the motherboard (may need reseating).
If you cannot fix the LCD screen then use your laptop with an external monitor.

Jan 28, 2009 | Sony VAIO PCG-Z1WAMP2 PC Notebook

2 Answers

Sony Viao Display Problem


Sounds like you have some internal issues going on with this Laptop! If you are getting the same response when you connect an external monitor, then you more than likely have a few things going on here: A bad VGA port for starters, Issues with the Data card, and your graphic card is cetainly not helping. In addition you may want to check appropriate drivers as they are sometimes updated! But my best guess is that you are having issues internally! That could be costly! Sorry!

Nov 26, 2007 | Sony PCG-FR130 Notebook

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