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Re: laptop screen flickering CQ50-110US
Unseat and reseat the LCD cable behind the LCD and also where it connects to the motherboard. If that doesn't solve it, then try another lcd cable. If that doesn't fix it then that means the LCD is bad and would need to be replaced.
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most likely a loose connection if it is flickering.. if there are red squiggly lines usually means driver issue.. and if there are blue banding lines, typically means the chip is overheating/desoldering.
Try an external monitor to the laptop and see if it flickers. If it does, more than likely your video card is going bad. If it does not flicker on the external monitor you probably have a loose video cable or lcd inverter cable. Go back inside and remove the 2 cables that go into the LCD Inverter that sits at the bottom of the LCD Screen, then plug them back in. Then unplug the video cable at the top behind the lcd screen, plug it back in and secure it with a piece of tape right where the two connections meet.
The reason the screen flickers is simply because the module of the laptop is faulty. The module is what connects the screen to the main board, it is like a flex for the screen. Once you can have it replaced, the screen will stop flickering.
All the best
First you will need to determine if there is a problem with the laptop screen or the video card.
Plug in an external monitor to your laptop and use your laptop, if the screen on the external monitor flickers the same way your laptop screen flickered then there is a problem with the video card and you will need to repair your laptop. This is considered a major repair because the video card on the laptop is usually embedded into the motherboard and will be expensive to replace.
If the screen does not flicker then the connection from your laptop to your laptop LCD display might be loose. You will need to remove the cover of your laptop and make sure the connection is firm, as well as make sure there is no damage on the connector or wires.