I have just purchased a new projector (Sony VPL-ES4) and am very pleased with the results from my laptop. When projecting live TV, however, there is a feint but very annoying band of some form of inteference scrolling up the screen. I am using a scart to phono connection from my Pioneer VCR that receives its input from an Virgin Media cable.
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Open Display in Control Panel.
On the Settings tab, click Advanced.
On the Monitor tab, in the Refresh Frequency list, click a new refresh rate.
To open Display, click Start, click Control Panel, click Appearance and Themes, and then click Display.
The default refresh frequency setting is 100 Hertz, although your monitor may support a higher setting. Check your manufacturer's documentation for information regarding the settings your monitor supports.
A higher refresh frequency reduces any flicker on your screen, but choosing a setting that is too high for your monitor can make your display unusable and cause damage to your hardware.
Changes to the refresh frequency affect all users that log on to the computer.
that is a faulty data cable from the system board to the back of the lcd screen. you can try reattaching the cable yourself, or replacing the cable with a new one. You can use an external monitor and it should be very clear. That means the issue is not the system itself, but rather, the cable that connects the screen to the board.
Your new LCD is faulty. The band on your old one is the end of it I am affraid.
Laptop LCD's although built to take a beating (or so it seems) are extremely fragile. It only take a very small drop to end their lives.