How to Fix Horizontal Lines on Your Mac Laptop Screen: A Step-by-Step Guide
Learn effective steps to fix horizontal lines on your Mac laptop screen with this easy guide.
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Step 1: Restart your Mac by clicking the Apple logo and selecting 'Restart'. Step 2: Perform an SMC reset by following Apple's instructions for your specific model. Step 3: Reset the NVRAM by restarting and holding Command + Option + P + R until the Apple logo appears twice. Step 4: If lines persist, connect an external monitor to check if the issue lies with the display or graphics card. Step 5: Consult a professional if the problem remains unresolved.
FAQs & Answers
- What causes horizontal lines on a Mac laptop screen? Horizontal lines can be caused by hardware issues, graphics card problems, or display malfunctions.
- How do I perform an SMC reset on my Mac? To reset the SMC, shut down your Mac, then use the appropriate key combination based on your model to reset it.
- How can I tell if the issue is with my display or graphics card? Connect an external monitor to your Mac; if the lines appear on the external monitor, the issue is likely with the graphics card.
- Should I consult a professional for screen issues? If the problem persists after troubleshooting, it's advisable to consult a professional technician for further diagnosis.