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Image on laptop screen freezes and slowly turns white


Problem description:

Spontaneously the laptop screen will “freeze” the current image and then slowly turn white with some faint gray blotches. If I move the top of the laptop toward me, sometimes the image comes back to normal. If I move it backward, then the image freezes and goes white again. The laptop works fine with the external monitor.

Possible cause:

1. Bad connection between video cable and LCD screen.
2. LCD screen failure.

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Half the laptop screen is black


Problem description:

One half of the laptop screen is completely black. The second half of the screen works properly.

Possible cause:

LCD screen failure.

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Image on screen gets garbled when laptop moved


Problem description:

The image on the screen gets garbled when the laptop moved. To get the image back to normal you have to restart the laptop.
The image on the external monitor gets garbled too when the laptop moved.

Possible cause:

1. Bad connection between laptop video card and motherboard.
2. Bad video card.
3. Bad connection between laptop memory and motherboard.

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Lower part of screen displays garbled colors


Problem description:

The lower part of laptop screen displays garbled colors and the upper part of the screen works just fine.

Possible cause:

LCD screen failure.

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Horizontal flashing lines running across the image on laptop screen


Problem description:

There are horizontal flashing lines running across the laptop screen. The laptop starts fine and you still can see the picture, but there are flashing lines running across a part of the image.

Possible cause:

1. Video card failure.
2. Bad connection between video cable and LCD screen.
3. Bad LCD screen.
4. Faulty video cable.

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Laptop has green dots in all black images on screen


Problem description:

The laptop has green flickering dots in all black images on the screen. The green dots appear in different spots without any pattern. There is not problem with light images, you can see green dots only in dark images.
The image is perfect on the external monitor.

Possible cause:

1. Bad connection between cable and video card.
2. Faulty video cable.
3. LCD screen failure.

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Green vertical line on laptop screen disappears when screen tapped or moved


Problem description:

A green vertical line appears on the laptop screen. If the monitor is slightly tapped or moved the line sometimes disappears.

Possible cause:

LCD screen failure.

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Wide vertical stripe blocks image on laptop screen


Problem description:

A wide vertical stripe blocks image on the laptop screen. Everything works fine on the left and right sides from the stripe.

Possible cause:

LCD screen failure.

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Laptop screen shows wrong colors


Problem description:

The laptop screen shows wrong colors.

Possible cause:

1. LCD screen failure.
2. Video cable failure.
3. Corrupted video driver.
4. Video card failure.

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Horizontal lines on laptop screen when display moved


Problem description:

Horizontal lines appear on the laptop screen when the laptop display panel is moved. Video on the external monitor works fine even when you move the laptop display. This problem appears only on the laptop screen.

Possible cause:

1. Poor connection between video cable and LCD screen.
2. Bad video cable.
3. LCD screen failure.

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