I am facing the problem of random black display on ASUS Zeenbook Pro Duos for the last few months. When I touch the laptop from the HDMI side the laptop display turns off randomly. On analyzing the device manager I found the main display is still connected, but it is blank/black. Initially, I thought that this is due to touch issues. I disable the touch but the problem doesn’t solve. I updated the graphic driver, disable one by every device on the laptop, but the problem remains as it is. Then I updated the storage on the laptop and freshly install windows, still, the problem remains the same. I try every solution available on the internet like power management tweaking etc. Then I disassemble the laptop and wash the whole motherboard with IP alcohol, but no success. After testing and checking the laptop I point out that this laptop shows this problem only on charging. And at that time I also noticed that one touching the adapter cable from the endpoint also stop charging for an instant on the laptop. and in random manners, it makes the display black. Finally, I found the cause of the problem, the adapter or/and cable. I check the jack on the laptop side and on the cable, all seems ok. I take out the cable from the adapter and fit it on a 180 Watt MSI adapter, the problem remains the same. This indicates the problem with the cable. I put a ferrite bead on the cable, but no solution. As it is very hard to get this 6.0×3.7 mm dc cable here in India, finally I end with purchasing a new adapter for the laptop. It cost me 5.5K. On testing the new adapter for 5 days, I found no issue and the problem is finally gone. Now the laptop is working fine and everything is ok.
It is very hard to point the cause of the problem if the problem occurs randomly. This case is the same. The service centre teams fail in finding the cause. Hope that you will learn something from this video. Do like, share and subscribe to this channel.
BCD Technology.
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