The motherboard is the main component of the iMac, responsible for connecting and managing all of its components. If the motherboard fails, the iMac may experience various problems.
Symptoms of a defective motherboard:
- Black or striped screen
- Random on/off switching
- Freezing and blockages
- Problems with USB ports and wifi connection
- Burnt smell
- The BIOS menu appears at computer start-up
- Blue Screen of Death (BSoD)
- Random drops and freezes
Causes of a defective motherboard:
- Overheating
- Defective components
- Spilled liquids
- Physical damage
What to do if the motherboard is defective?
- Do not attempt to repair it yourself, as this may damage the iMac further.
- Take your iMac to a technician who specializes in Apple products.
- At Cyber Jay, we can diagnose and repair your iMac motherboard.
- We offer free diagnostics and free estimates.
- We have a large stock of original Apple spare parts.
Help:
Source: Wet Device | Datasystem Repair Shop
Additional information: How to test the defects of a mother's card? A lot of information is presented! - MiniTool