Repair or replace MagSafe to MagSafe 2 Converter?My MagSafe to MagSafe 2 Converter has become loose. One side of the laptop side is lose and when pulled out it will not...
Answer to "How do I repair the power cord when the grounding plug breaks off?"A start would be to purchase a replacement plug like https://www.homedepot.com/p/Leviton-15-Amp-125-Volt-Double-Pole-3-Wire-Grounding-Plug-Black-R50-3W101-00E/205165472 And then follow instructions like this Electrical Plug Replacement You will find three wires inside the power cord. The ground wire will either be in green insulation or uninsulated (other than the outer cover).
Answer to "Phone suddenly turns off even if the battery is about 80% charged"Have you tried replacing the battery? The Nexus 6 was announced in 2014 which is now well past the expected usable battery life. When the battery is very old, it will not be able to provide the extra power that the phone requires for the radio, CPU and screen. The result is crashes and power offs. You can confirm this by fully charging the phone, putting it into airplane mode and observing how long it stays on before reaching 80% and if it shuts down at that point.