Question about Toshiba QOSMIO F15-AV201 Notebook

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Laptop screen and external screen have lost color completely, only getting black and white

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In my opinion if you have black and white screen internal and external screen while booting and while you are into windows desktop you have a faulty graphic card. Common fault on toshiba laptops.
Actualy the reason for their sales drops dramaticaly in the past few years ;)

Posted on Mar 10, 2010

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When you turn on the laptop see if the toshiba logo is in color. If it isn't then the screen is bad.

If the toshiba logo is in color but there is no color when you get into windows then its a setting for the video card that needs to be changed.


Posted on Feb 02, 2010

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What setting for the video card needs to be changed, benwabnick?

Posted on May 22, 2010

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Posted on Jan 02, 2017

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1 Answer

How would the pattern on the screen change if a pure blue screen were substituted for the white screen?


What can you do if the laptop LCD screen turned completely white? 1. Loose connection between the video cable and the LCD screen.
2. Defective LCD screen.
3. Defective motherboard (I assume the graphics card is integrated into the motherboard). Here's an example of a laptop with white screen. When you turn on the laptop, it starts but the image on the screen is completely white right from the beginning.

Most likely you still can use the laptop with an external monitor. Just connect the monitor to the VGA port on the back or side of your laptop and then switch the video output from internal to external mode.

On Toshiba laptops you can toggle between internal and external screens using Fn+F5 keys. Hold down Fn and press on F5 until you get video on the external monitor.
On IBM laptops use Fn+F7.
On HP laptops use Fn+F4.

It's possible that you have to use a different key combination on your laptop but you get the idea.

On some laptops, in order to be able to use the external monitor, you have to connect it to the laptop and then restart the laptop so the external monitor is detected by the laptop. In some cases the laptop screen may turn white because of poor connection between the video cable and the LCD screen. If you want to check this connection, you'll have to take apart the display panel because the connector is located on the back side of the LCD screen.

These laptop service manuals and disassembly instructions may be useful. Always check the video cable connection first. Reconnecting the video cable may fix your problem.

If reconnecting the video cable doesn't help, most likely you have a problem either with the LCD screen or with the motherboard. The best way to find out witch one is causing the problem is testing the laptop with another working LCD screen. you will need to connect to another monitor or your television to your computer with the vga lead monitor connection click start control panel display change display settings adjust resolution this may vary depending on your operating system you should see a no 1 and a no 2 with detect and identify keep an eye on the screen when you select the number tabs this may vary depending on your operating system when you select the no 2 tab this should be the extended desktop always click apply after making any changes or click start control panel administration tools computer management device manager scroll to monitors right click select scan for hardware changes if you can get an extended desktop your monitor is faulty if you cant get an exended desktop

Jan 31, 2013 | Computers & Internet

1 Answer

Video red green blue black white


1) There's a problem with your computer or Display.
You'll need to go to a computer specialist, he/she can fix that.

Jan 09, 2013 | HEWLETT-PACKARD HP EliteBook 8540p WH253UA...

2 Answers

White screen


First see if the power on self-test (Fn+ Power) or the LCD BIST (D+Power) will run. The Diags are normally on a blue screen with white test, the LCD BIST is simply 4 Solid Color Screen looking for defects in the LCD panel.
If you hear beeps/windows sounds when the system boots and the LCD BIST test does nothing then the LCD has likely failed and you will need a new one. You can try an external monitor and see if you get video on an external screen.
If you don't then try these steps:
http://www.fixya.com/support/r3581893-how_to_troublehoot_a_portable_compouter_

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1 Answer

Black screen with vertical lines through it


Could be faulty graphics chip or faulty screen. If you can hook up external monitor and picture is fine then probably faulty screen. If external monitor shows same problem the faulty graphics chip. Take to repair shop and let them have a look.

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1 Answer

HP Pavilian external monitor color problem.


The easiest thing would be to check your cable for a bent or loose pin. Next put another external monitor on the laptop. The circuitry to provide video to the laptop screen and the external monitor are separate except that they share a video processor and video memory. There can be bad electronics involved.

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1 Answer

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boot up your laptop and take a magnet in your hand and revolve around the screen the screen might go crazy but all the colors will be back in a while. :)

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2 Answers

Blank white lcd


The problem is with the inverter or screen. Since you changed the inverter, the screen is the only thing left. The cable will not cause this, it will cause the screen to blank out completely. You need to replace the screen.

Jul 22, 2008 | HP Pavilion dv4000 Notebook

1 Answer

Acer aspire 3680 svideo in black and white?


Hi,
Have you checked The Settings in The Bios.
Your laptop May be set As NTSC Or PAL, displaying on A Different format tv set ?
Try An external Monitor, Or the TV Out if applicable.
If these work in Colour rather than monochrome ( Black And White ) then the fault lies with your svga output on the laptop.

Mike @ compurepair.

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2 Answers

Acer Aspire 9810 Screen Problem


Hi No otto,
On the bottom row of keys, you will see one marked Fn, in a different color. Hodl that and look at your top row of keys. Should be one with a laptop screen, and a monitor. The little graphics will be the same color as the Fn key. Tap that once, wait, see if the screen comes to life. Usually that key is set to choose "Just laptop screen, just external monitor, or both", with each tap.
Good luck,

Jan 06, 2008 | Dell Inspiron 6000 Notebook

1 Answer

Same as other poster: Player only plays black and white


It sounds like the circuitry which actuates the color drives for the screen are not working, this would ba analogous to adjusting for a B&W picture on a color TV you have color but the screen shows black and white. I would get a schematic for this set and measure the voltages on the color processor that connects to the screen since you know that the external jack has color. If possible I can help you troubleshoot this, if you need me to help out.

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