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45 lines
2.6 KiB
Markdown
45 lines
2.6 KiB
Markdown
---
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title: DELL Latitude CPi series
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layout: default
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created: 2008-07-21 19:19:56 +0200
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updated: 2008-07-21 19:19:56 +0200
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toc: false
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tags:
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- know-how
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- hacking
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- hardware
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- bios
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- passwords
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- dell
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- latitude
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---
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Thanks to *Heiko Kehr*. (Everything was done according to [this manual](http://www.darkmagic.org/mike/dell-tag/dell/dell.html).)
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1. You can easily remove the keyboard after loosing the six screws. Pay attention that you lift the keyboard equally on
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all sides and not only on one key. It would be sad to unlock this nice thing and then have a broken keyboard.
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1. The yellow arrow marks the connector to the keyboard. If you are a used to handle with electronic devices, you may
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just flip the keyboard carefully leaving it connected. If you have opened up an electronic device for the first time,
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please, put everything back in place and bring your notebook to someone who does such things more often. Oh, now is
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a good time to remove all power sources from the notebook (Remove AC plug and battery!!).
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1. To remove the CPU-circuit board without damaging it, you have to carefully remove the clamp marked with a blue arrow.
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It is just clipped on and you can later replace it without any need to bend it.
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I then lifted the circuit board a bit on the right side to detach it from the connector. By pushing it back and
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lifting it one the left side (on the cooler) at the same time, it slowly slipped out of the connector.
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1. I then thought of how I may power on the notebook while shorting the EEPROM. I had the idea of using wires which I
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may have cut from the outside, so that I did not have to disassemble the notebook again.
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1. Nevertheless, I opened it again to remove the wires, and for taking photos. But I didn't heat the soldering iron
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again, instead, I "broke the wires away".
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I soldered them using a gas soldering iron. First, because of static electricity charge and second … because it was
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the first thing in my hand. After replacing all neccessary parts, I shorted the two wires with my right hand while
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powering on the notebook with the left one. The now seen message was very different from those I knew. Splitted
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wires and went into the BIOS. I changed settings to the best of my knowledge and rebooted. Pleasure!!
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[Back to overview.]({% post_url 2009-10-30-bios-passwords %})
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