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If you have recently replaced a broken LCD laptop screen, but find the new LCD screen is not working, don't fret! This is a common problem that can be fixed.

First, please make sure your new LCD screen is compatible with the old one. Different screens require different video cables, so it's very important that the new screen be compatible with your laptop. Next, check all cable connections. Check the connections between the video cable, LCD screen and inverter board. Reconnect cables just in case. Take a closer look at the connection between the video cable and LCD screen. It's likely that you accidentally pulled the video cable from the connector during the screen installation. The video cable needs to be seated properly, all the way down.

On some older LCD screens there are very thin pins inside the connector. Take a look inside the connector to make sure there are no damaged (bent) pins.

You can straighten bent pins with a very small screwdriver, but this procedure requires a lot of patience and concentration. Fortunately, most newer LCDs have a different type of connector, without fragile pins inside.

If you have reseated all connectors and cannot see anything wrong but the new screen still is not working. What's next?

Remove the new screen and connect the old one. If the old one works properly (except the damaged area) but the new one is dead, the new screen may be defective.

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13y ago

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