Post Mortem Visum (for the Thinkpad)

01Sep09

Having googled here and there using Google (ya iya laaaah) and even disassemble and reassemble the 7685-CTO, I came to two conclusions on the cause of the death of my Thinkpad X61. Well, of course it died after being slammed to a wall by my toddler, twice. But that the ultimate cause?

There are two possibilities.

First. The Thinkpad landed on the wall (and later on on the floor) at a wrong speed and wrong angle so that it rendered the accelerometer –that was permanently welded to the system board– in a state of error. The Thinkpad Hardware Maintenance Manual (that can be freely downloaded through Lenovo’s website) clearly states that: if subjected to a particular amount of G’s (gravity or so… I don’t know. I suck in physic), the accelerometer will cease to work and will render the whole system board unusable, and has to be replaced.

The symptom is that the system is lit whenever the power button is pressed, but no booting activities occurred. The fan will turn, the harddrive will spin, the LAN will initiate negotiation, but no POST process followed afterward. It happened because the BIOS will read input from the accelerometer that there still is impact, so that the BIOS prevent the whole system from booting-up.

Second, again, the thinkpad lanted on the wall (and the floor thereafter) at a wrong speed and wrong angle. But in this theory, the one’s that rendered unusable was the fan and the whole thermal system. How come? Some times the Thinkpad flashed a message stating, “Fan Failure” followed, again, by no booting up at all.

During one or so occasion, the Thinkpad will boot up, and soon after logged-on to the OS it will shut itself down,  soon after the system board reaches a particular temperature.

Hence the moral of the story is: if you want to drop your Thinkpad, feel free to do so, they’re built tough,  (of course only do it on your own risk and don’t blame me for any implication occurred thereafter and I cannot be responsible for the outcome) but please make sure that the Thinkpad hits the wall at a right speed and right angle.

Happy jumping. *_^

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