Distorted (flicker and lines) video on first gen MacBook Air

I just had my harddisk replaced by the local Apple Store two weeks ago. Aside from the absurd experience of not being able to keep my harddrive, everything seemed fine. About four days after the replacement, the screen started acting funny. There are subtle horizontal lines that form on the screen that cause either flicker or blurring. They are not wide; they are not constant; and, they are not pleasant. Interestingly, I think the lines move with scrolls -- that is, they seem to be a screen buffer issue, not a screen issue.
Does anyone know how to fix this? I don't have the time, the patience, or the money to take this poorly built machine to the Apple Store yet again.

I have the same problem with my MacBook Air. When applying pressure (using the palm of my hand) on the back of the screen (where the illuminated apple is located) pushing the lower center of the case and the display would normalize. Therefore, I was able to localize my issue to a problem with the *LCD LED LVDS Cable* versus the display or the display's connector.
I determined this after removing the bezel from around the screen (it is held together by two side tape - no screws) and manipulated the LCD LED LVDS Cable until the video image was restored.
I do not know if this is your issue. However, based in the fact that your computer had the hard drive replaced; I would remove the bottom of the case in order to verify that the LCD LED LVDS Cable is securely plugged into the motherboard.
One other possibility is that there is a problem with the video chip.
Paul

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Distorted (flicker and lines) video on first gen MacBook Air

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