Lightning, Fan, and Warranty Issues

My house was affected during a thunderstorm about a Saturday ago. The good news was non major damage was sustained to both human and appliances. Bad news was the lightning attack knocked out the temperature sensor circuit of my inverter. At first I did not notice anything was amiss. The inverter was working fine and there was no obvious issue.

A day later I noticed the inverter was awfully quite and on further investigation I saw that the temperature indicator on the inverter lcd (which displays the temperature of the inverter heat sink) was displaying 0. This raised a red flag and I knew something was wrong. When started the inverter fan comes on for some seconds and then goes off and would not come on again even when the inverter is physically hot.

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Fixing Windows / Screen Tearing on Intel Graphic Card – Linux

I had some mild / serious screen and window tearing problems when moving windows, scrolling through the browser and the general KDE Plasma UI could be a bit laggy. The problem was reduced if I switched my rendering backend from OpenGL 2.0((Hardware rendering  – the default) to Xrender (Software rendering).

The system is a work laptop – a Thinkpad E550-. It comes with an Intel Broadwell Chip. Running lspci -c video spit out this following: Read On…