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Help for dell E5450 power adapter unknown

Laptop repairing Discussion, How To Repair Laptop Motherboard
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Joined: Sat Mar 14, 2020 6:51 pm


I always see your videos, and take bios bin files from your site, god bless you,
you help us very much.

i want to ask you about on laptop model dell e5450, problem unknown adapter,

i hve watch your video in youtube
https://www.youtube.com/watch?v=IDm_K6duzPA&t=18s, and i have done correctly what you have done on dhe video with PD5, PQ2 and PQ3, first power has gone that problem, but in secon time and again same problem, please can you help me.

the laptop state it was no power, PD5 was burned, i have remove PD5, and also change crystal oscillator YE1, laptop now turn on perfectly and working perfectly, also i have done bios update,
but not charging because POWER ADAPTER UNKNOWN,
also when laptop starts, the message appear:
“Alert! The AC power adapter wattage and type cannot be determined. The battery may not charge. The system will adjust the performance to match the power available.”

Thank you very much, please can you help me what i need to change or how to solve the problemIf you can send me email what to change to resolve problem.

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Joined: Fri May 04, 2018 3:07 am

Thanks ,
Dell Unknown Adapter.png
Dell Unknown Adapter.png (55.83 KiB) Viewed 2870 times
Dell Unknown Adapter.png
Dell Unknown Adapter.png (55.83 KiB) Viewed 2870 times
Posts: 1
Joined: Wed Jun 07, 2023 2:59 pm

Hello, Try to use another original dell adapter.
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