If your laptop displays a black or gray screen during startup, you can try booting in Safe Mode. This allows your laptop to start with only essential system services and drivers, which can help isolate and troubleshoot software conflicts. Ensure that your laptop is properly connected to a power source and the power cables are not damaged or loose. This can help resolve any power-related issues that may be affecting the software. If you have any issues with the software of your apple(macbook, imac, ipad, iphone). Bring your apple (macbook, imac, ipad, iphone) to our service center, our professional service engineer can resolve your problem.