My HP dv4-1145go is dead - no lights, no video, nothing.

A few months ago my dv4 has stopped working. It is a device I want to make it work, in order to prevail on the TRIPS Agreement and use it for email and web browsing.

My diagnostic skills are limited and a multimeter is the extent of my test. I don't want to spend money on the wrong parts, but I'm willing and able to replace the motherboard if it is the right solution. Given to nine are available on the Internet within my price range, which is around $100, as the machine is 5 or 6 years.

Your experts can help me greatly in commenting and suggesting steps that I take to diagnose the problem. Here's what I've done to date.

During the inspection, I first noticed that the power jack led was, so I traded the power adapter external with another one of HP brand and nothing has changed. I tried the power dv4 adapter, also with a label of HP, on my HP dv6700 and it worked correctly. So for now, I think my adapter is good.

Then, I removed the motherboard from the folder and it inspected for burnt components or other signs of deterioration. Nothing is obviously broken or burned, but I found a "fist" full of dog hair that I removed the fan. Don't know if it was enough hair to stop the fan and the overheating of the device. I worry about the processor is damaged, but do not know how to check. Any comments on this issue will be greatly appreciated.

To be on the safe side, I ordered a power supply and cable for a modest sum of money. He is yet to come, but seems to be a wise investment.

That is the measure of my efforts, and I hope that an expert will take my fate to heart and make comments and suggestions to help me find the cause of failure of the laptop. Then, I can better decide on the right solution.

Thank you.

Thank you very much for the compliment and the suggestion to move forward. I'll do what you suggest. Look at this post for updates, but I can take the time in all this is done. Thanks again.

Tags: Notebooks

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