Fan not spinning up and power supply issues

Desktop turns on then immediately turns off over and over

Trying to get the screen out to replace charging port

Storage space low for no reason

18650 batteries have gone absolute dead short

Touchpad shuts down for no reason

My multimeter won't turn on after high voltage spike

Red triangle lights up, screen still black

I was taking battery out to replace, and poked it.

I poked my iPhone 5s' battery. What do I do?

Xbox 360 Power Supply Teardown

Wahoo Elemnt Roam (WFCC4) Screen and Battery Replacement

Banana Teardown

Orange Teardown