Lenovo blue G550 laptop - red, yellow, spots and lines on the screen

Hello

I have a laptop of Lenovo G550 old 2 year, system model 20023 (Dual-Core CPU T4300 2, 10 GHz, 3, 00 GB RAM) running 32 bit Win 7 Home Premium OS with graphics card Mobile Intel (r) 4 Series Express Chipset Family.

Months ago, I started having 2 vertical lines on my screen, that change color and tend to disappear when I tilt it. Recently, the problem is a graduate in red, blue and yellow spots on the screen. Tilt is no longer works, but I noticed a report defined the degree of pressure on the case. When I pushed hard enough on the left below identify the cases (the hard drive where), the problem is completely solved. I also tried to connect another monitor and there seems to be no problem either. Help, please.

Graphics card problem seemed highly unlikely with the image of the external monitor that appears to be normal. I tried reseating the LCD cable and it fixed the problem.

Tags: Lenovo Notebooks

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