They fix anything from:
Virus infections: Pop ups, viruses, errors
Physical damage: Broken casing, hinges, etc.
No power: Completely dead
Won’t boot up: Powers on but won’t boot up normally
Shuts off and overheats: Shuts off randomly or gets very hot
Power jack: Loose power connection
Liquid spill: Soda, water, wine, etc.
Broken Screen: Cracked display
Blue screen: Blue screen of death
Dim Screen: Faint images on the screen
Clicking drive: Noisy or clicking hard drive