Last night I screwed up the pins on the cable that connects the mother board to the lcd screen.
It was a slow day and I didn’t have anything to do. It’s almost end of a very busy summer and it’s one of those weekends you don’t want to do ANYTHING. It didn’t help that we had thunderstorms and I couldn’t even choma nyama. As I was slowly sipping my Captain Morgan, the devil whispered to me that it was time to “fix” a 2011 iMac. It runs fine, but recently it has been running very hot even after adjusting several settings. We only use it for surfing the web and for music (less than 100GB of files in it). From my previous experience with a similar machine, the thermal grease/paste between the major components on the mother board (GPU, etc) and the heat-sinks deteriorates after a few years. I’ve previously fixed a similar issue on another unit…
While at it, I figured out that I might as well upgrade the HDD with a SSD and up the RAM (there is another thread in the village about this). I went to my local electronics shop and got a Samsung 500GB ssd, 8GB RAM and thermal paste. I already had an ssd mounting frame and a thermal sensor harness from a previous project.
After I dissassembled the unit, sure enough, the thermal paste was dry and insufficient. I cleaned the old paste, dusted the unit, replaced the hard drive (took me about an hour to clone the old drive on the ssd) and added the RAM sticks. There are at least 10 wiring connectors on the beast. I put all the cables back (almost impossible to make a mistake because they’re all different sizes). Shida ilikuwa plugging the lcd harness back on the motherboard. The space was very tight, and I had to support the screen and flash light on one hand and squeeze my other fat hand behind a tight space. After a few unsuccessful attempts, pombe ni mbaya, I got pissed off, yanked the other end from the screen, put it in my mouth and bit it! That was a sure end to my project for the day. I’ve ordered a new cable and will have it delivered tomorrow.
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