Hot answers tagged lcd
It sounds like you might have some faulty pixels. As the whole screen is lit by a single backlight, it is impossible to reduce the brightness of an individual pixel. Depending on brand, make and time of purchase, your best bet is getting it replaced under warranty, though some manufacturers require a certain number of pixels to be dead before they register ...
If out of warranty and it really bugs you I can suggest using an ice pick wrapped in electrical tape. Press gently on the hot pixels and you can often make them go dark. It does risk damage to the screen (obviously) but i have had good success with this method.
Missing the color red can have a few causes. The cable has been damaged or is not securely fitted into both sockets The port at either the monitor or pc is damaged the filter layer for red coloured pixels is damaged (unlikely) I would first try a different cable and connect the monitor to a different pc and also connect a different monitor to your pc to ...
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