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Hi guys, I decided to join your nice forums, I came across here when my notebook eeprom failed and I really liked the helpfulness of the forum, I hope you can help me because I still have eeprom problems with my work computer.
I hope to have some fun here and learn more about computer electronics and improve my electronic skills.
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Hi,
I read along some weeks ago. With your helpful threads I was able to reactivate an old Lenovo L412 notebook. I used the CH341A with the variable voltage ( I think called rev. 1.7) to reflash the BIOS chip.
Now there are still problems with the fan speed and Powerhoff left but it's useable!
Thanks
Regards
Zippo
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Hello, how are you? My name is Mario Moreno, I am from Mexico, specifically from the state of Guanajuato, a micro-soldering technician and passionate about electronics and hungry for learning, I hope to contribute a lot or a little to the forum and bring as much learning as possible, addicted to video games!!!
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Hello,
I am here to know if someone has had a similar experience to mine, and how to fix the problem.
I have an old laptop, an HP Pavilion dm4-1065dx which takes a lot of time to be ready to start if the laptop has been unplugged for a while. It has no battery. The battery failed long time ago. It needs to be plugged to work. But as I said, It can take a lot of time until the charging led gets on, and I can switch on the laptop. I am using an external monitor and an external keyboard too.
There are many many components and I don't know what to check. Maybe some people have had the same problem, and if they managed to fix It, I can do the same to fix It too.
Thank you very much for your attention.
Regards
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