Why is your laptop screen black?

Your laptop screen was working properly yesterday, but now the display doesn’t show anything. When booting up the laptop, you notice that the LCD display backlight isn’t turning on at all and you can see a faint image appearing on the LCD panel. Connectivity to an external monitor works normally. What is the most likely problem?

Laptop and Portable Device Preventive Maintenance

Just as desktop personal computers need ongoing preventive maintenance, laptops and portable devices also need constant upkeep. In this video, we’ll show you how to keep your system working efficiently using cooling devices, cleaning hardware and video, and maintaining an optimal operating environment for your laptop and portable devices.

Diagnosing and Troubleshooting Laptops and Portable Devices

When your portable device starts having problems, where do you start the troubleshooting process. Unlike traditional desktop personal computers, laptops and portable devices have additional steps for diagnosing troubles. In this video module, we’ll troubleshoot the boot process, video settings, stylus and digitizer issues, keypad problems, and antenna wires.

Optimizing and Upgrading Laptop and Portable Devices

As PC technicians, there’s often a need to upgrade or enhance the capabilities of our laptops and portable devices. In this video, we’ll show you the step-by-step processes that you can take to optimize and install memory, mini PCI cards, and hard drives inside laptops and portable devices.

Laptops and Portable Technologies

Although laptop and portable devices often provide similar functionality to desktop PCs, there are some important differences to consider for the CompTIA A+ exam requirements. In this video we’ll discuss some of these differences such as form factors, expansion slots, input devices, and power.