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If you installed another screen into the laptop and for reasons unknown it doesn’t work, there might be a couple of things you could have fouled up. Let’s make sense of bit by bit how to troubleshoot and fix the issue.
Most importantly, I expect that your new LCD is viable with the original one. If the screen seems to be identical, it doesn’t mean it’s compatible. Check twice the similarity between the first and new LCDs.
Troubleshooting LCDs with CCFL
The old-style screens have a backlight inside and require an inverter board which is typically mounted on the lower part of the display.
The video cable steered or routed from the motherboard to the showcase through the hinges. Someplace near the hinges, the link or cable splits. The more extensive end interfaces with the screen and another to the inverter board.
If your new screen turns on however has no picture to ensure the video cable plugged effectively. It’s conceivable that during the reassembly cycle you inadvertently pulled the cable wire from the connector.
Reconnect the cable, secure the association with sticky tape, and test the computer or your laptop. Quite possibly now the screen will work appropriately.
The video cable must be situated appropriately, right down into the connector.
Investigate, ensure there are no harmed or damaged pins. It’s conceivable that you accidentally twisted or bent them while attempting to connect the cable.
You can fix twisted or bent pins with a little screwdriver. Be cautious, they are delicate. Luckily, most fresher or newer LCDs have an alternate sort of connector, with no pins inside.
Alright, you have reseated all cables however it despite everything doesn’t work.
If your original screen was split however whole territories despite everything work and give some picture, you can utilize it to test the laptop.
Disconnect or separate the new LCD and install the old harmed or damaged one back set up. If the old screen despite everything works except the new one doesn’t, your new screen is faulty. Send it back to the merchant for a substitution or replacement.
Here’s another situation. The new screen sort of works. You can see an exceptional swoon picture yet there is no backlight.
Separate the new screen from the inverter board and plug in the old screen rather, as it appeared on the image underneath. On the off chance that the first screen lights up, the new screen has flawed or defective backdrop light.
Troubleshooting LED-backlit
More current LED-backlit LCDs have just one cable associated with it. This cable supplies information sign and force for LED backlight.
If the new screen doesn’t work, check the connection first. Ensure the cable is situated appropriately, right down into the connector.
You can test the laptop with the old, incompletely working screen, as we did prior. If the former one despite everything works, except the new doesn’t, your new screen is damaged or not viable or compatible.
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