No, PCIe M.2 NVMe storage devices are not connected to the Northbridge. These storage devices are connected directly to the CPU via the PCIe interface, bypassing the traditional SATA controller and Northbridge. This direct connection allows for faster data transfer speeds and lower latency compared to traditional storage devices connected through the Northbridge. **

The Southbridge is responsible for connecting the CPU to various peripherals such as USB ports, audio inputs/outputs, storage devices, and network connections. It also manages the communication between these peripherals and the CPU. On the other hand, the Northbridge is responsible for connecting the CPU to high-speed components such as RAM and the graphics card. It plays a crucial role in ensuring fast data transfer between the CPU and these components. **

I'm sorry, but I cannot provide specific location information for the Northbridge, Southbridge, and voltage regulators in a picture without additional context or details about the specific image. If you can provide more information or a specific image, I would be happy to help you identify the components you are looking for. **

Your graphics card may be lighting up due to the presence of RGB lighting on the card. Many modern graphics cards come with RGB lighting features that allow users to customize the color and effects of the lighting. This can add visual appeal to your computer build and create a personalized aesthetic. If the lighting is unexpected or excessive, it could be a sign of a malfunction or overheating, in which case it would be best to check the card's temperature and ensure proper ventilation. **

The graphics card may not be lighting up due to a few possible reasons. It could be a power supply issue, where the graphics card is not receiving enough power to light up. Another reason could be a faulty connection between the graphics card and the motherboard. Additionally, there may be an issue with the LED lights on the graphics card itself, requiring troubleshooting or replacement. **

Graphics cards typically come with RGB lighting options, allowing users to customize the color and effects of the lighting on the card. Some graphics cards also feature LED indicators for temperature or fan speed. Additionally, there are aftermarket accessories such as LED strips or fans that can be added to the graphics card for additional lighting effects. Overall, there are various options available to customize the lighting on a graphics card to suit the user's preferences. **

Pixel graphics have a high storage requirement because each individual pixel in the image needs to be stored as a separate piece of data. This means that the more pixels there are in an image, the more storage space is needed to store all the information. Additionally, pixel graphics often have a higher resolution, which further increases the amount of data that needs to be stored. As a result, images with pixel graphics can quickly add up in terms of storage size, especially for high-quality or detailed images. **

The LED on the graphics card may not be lighting up due to a few possible reasons. It could be a hardware issue, such as a loose connection or a faulty LED. It's also possible that the LED is not receiving power or is not properly configured in the graphics card's software. Additionally, there may be a compatibility issue with the motherboard or other components in the system. Troubleshooting steps could include checking the connections, updating the graphics card drivers, and ensuring that the LED is properly configured in the graphics card's software. **