Question about Dell (8N816) Motherboard

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Inspiron 6400 DC input fault

I have worked Mother Board Dell Inspiron 6400 but the DC input have a problem no input from the Jacket ( what happened is the positive and Negative terminals are changed between each other and that make some thing faulty in the motherboard I could not find it what exactlly  where and what it is , It is the chip for supply voltage or the resistor or the Capacitor , please advice me . how can I troubleshot this problem

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Please remove the power supply pin from the mother board short the pin witres colured green and black if the power supply is working then there is no problem with the power supply check ur memory card to if the pwoer supply is working iff its ok and still not working contact a chiplevel engineer to correct the mother board as there is problem with powersupply section in ur motherboard

Posted on Nov 30, 2007

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Posted on Jan 02, 2017

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1 Answer

My Dell Inpiron 6400 has just died.


Most probably a power unit, mother board or a processor failure. Any of the three can happen. I recommend you to take it to a tech. If there is a Dell service station take it there. If it just shut down while you were working: Have you checked the battery. Have you tried it using the direct power? Any burning marks or smell? Have you checked the Adapter also? Check them. IF you use direct power were you using a surge protector? Have you dropped it? Does the start button work well? Any abnormal thing related to the button? Have you spilt water on the machine? If all are fine then you have to take it to a tech.

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1 Answer

How do I change the system mother board on a Dell Inspiron E1505/6400 Laptop Computer?


Hi,
There are instructions on the Dell website. Try the support section.

Google is your friend. Try here:
http://ahwee.com/how-to-disassemble-laptop-insp6400

or here
http://repair4laptop.org/disassembly_dell.html

or here
http://en.community.dell.com/support-forums/laptop/f/3519/t/18796754.aspx

Cheers,
Steve

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2 Answers

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motherboard of laptop get faulty
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1 Answer

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I suspected the damage cause is inside. It might have some spark inside that affect the wires.

I you want to replace your power adapter send it to the service center near you. Just tell them that its not working. (If under wrranty replacing of parts is free of charge). If you tell them that you accidentally broke it, it replacement is not free of charge due to user fault.

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1 Answer

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Hi my inspiron 6400 cannot boot up after trying several time .I press switch on, then after 3 second it goes off again.Battery fully charge.
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type DEL key at startup go in the Bios settings look if poweron is disabled and all related (dont change any if not known to u) otherwise tell me more about your inspiron : is it a new install os(any?)which kind?

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