Be resourceful papz
https://www.google.com/search?q=Canon+MP237+error+5011&rlz=1C1GCEU_en&oq=Canon+MP237+error+5011&aqs=chrome..69i57j69i60l2.136j0j7&sourceid=chrome&ie=UTF-8
Di kasi normal yan, dapat i-press mo muna ang power button para mag-on ang PC, kung lageng ganan, pwedeng below ang problem:
1. Grounded casing
2. Grounded Power/Restart Button
3. Grounded Mobo
4. PSU
Good luck
Andito yung Others
Open Finder.
Click on the Go option in the menu bar.
Select Go to Folder.
Then type in ~/library and press enter.
Pwede ka mag-delete jan, ingat ka lang kasi di lahat ay pwede -delete.
Good luck