Question about Sony VAIO VGN-S460 Notebook

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Monitor pixelates and goes black

The screen goes black sporatically and then comes back on, only then to scramble. Is it the screen or the video card?

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Video card most likely...do you have an external monitor to try it out on, to be certain?

Posted on Feb 16, 2008

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1 Answer

Screen goes black or pixelates


1. Verify the monitor's power cord is plugged firmly into the wall outlet and the back of the monitor.
2. Verify the monitor cable is firmly connected to the computer and the monitor.
3. Verify that you have turned the monitor power switch on.
4. If the power light on the monitor is not on, test the wall outlet (plug in a light or something you know works).
5. If the power light on the monitor is not on, try a different power cord.
6. If the power light is on and yellow or flashing, but nothing displays, or the display is incorrect, borrow a monitor from a friend. If that works, your monitor probably needs replaced.
7. Also, you could try your display on a friend's computer. If it doesn't work, your monitor probably needs replaced. If it works properly on your friends computer, the problem may be with your computers video output port, motherboard video chip (or video card, if you have one), or drivers.

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My ACER Monitor shows green striped pixels wherever there is BLACK colors on the screen. Eg: Shadows in a video game, wallpaper with black background. It happens on and off, but the more it happens the...


The problem is either the video graphics card in the computer or the monitor, if you have a backup monitor check the computer first, if the same problem persists the video graphics card is bad. If however the second monitor is fine, then your monitor is the problem, The screen is breaking down, if you have a detachable video cable, sub it for another to make sure there are no issues,if okay your monitor is the problem and not cost effective for repair.

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Dell 1704 monitor goes to black screen after one


Hi my name is Rain.
Ok so that im clear on the problem. your monitor will come on but in a matter of seconds it goes to a black screen?
If this is the problem. The answers you seek will most likely
be in your video card.
Try this test:
  • Unplug monitor from the computer.
  • Turn on monitor .
  • Look for monitor self test screen.
If you see the monitors self test screen then your problem indeed is
the video card . You will need to replace the video card inside of the computer.

Nov 23, 2009 | Dell UltraSharp 1704FPT 17" Flat Panel LCD...

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Screen goes pink and green starting with a few pixels


Best thing to do, try a different known working monitor to hook up to the computer. If the screen works and doesn't change colors then you know its the original monitor that is bad.

If you hook up the known working monitor and the same problem happens then you know its the video card that is bad and the video card would have to be replaced.

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Part of the monitor turns black, comes and goes


change your Video card, maybe that's the problem...or the bad news is "dead pixel" happen, and then you have to purchase the new one...

May 27, 2009 | HP Computers & Internet

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Display Problem


video card may not be capable of that resolution and color depth, check your video cards max resolution and color depth.
I have several lcd monitors that are 1280x 1024 and they do not need drivers to work. the video card must be capable of generating that resolution.

Jun 06, 2008 | Samsung SyncMaster 740N 17" LCD Monitor

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SCREEN GOES BLACK OFF AND ON .....


I had the same problem for about a week and solved it yesterday by downloading the latest driver by NVDIA who makes my video card (NVDIA GeForce 6200).
I had previously updated the latest Sony driver for the monitor. It did not solve the problem but could be part of the solution in conjunction with the new video card driver.

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1 Answer

Monitor problem: screen goes black, then comes in scrambled


It sounds like this one needs component-level troubleshooting, probably in the power supply section. One or more backlights may be going out, too.

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