When choosing a power supply for a laptop with 65W instead of 90W, it's important to ensure that the voltage and polarity of the new power supply match the requirements of the laptop. Additionally, the new power supply should have a compatible connector to the laptop's power input. It's also important to consider the charging time and performance of the laptop with the lower wattage power supply. It's recommended to consult the laptop's manufacturer or a certified technician to ensure compatibility and safety. **

For two 5V 90W LED strips, you would need a power supply that can provide a total of 180W (90W per strip). Since the LED strips operate at 5V, you would need a power supply that can deliver at least 36A (180W / 5V = 36A). It is important to choose a power supply that can handle the total power requirements of both LED strips to ensure they operate properly and safely. **

For two 5V 90W LED strips, you will need a power supply that can provide at least 180W of power in total. Make sure the power supply is rated for 5V output to match the LED strips' voltage requirement. Additionally, ensure that the power supply has enough current capacity to handle the combined load of both LED strips, typically around 36A (180W / 5V = 36A). It is recommended to use a power supply with a slightly higher wattage rating to ensure stable and reliable performance. **

One good strategy game for the laptop is "Civilization VI." This game allows players to build and expand their own civilization, make strategic decisions, and engage in diplomacy and warfare with other civilizations. It offers a deep and engaging gameplay experience, with a variety of victory conditions to pursue. Additionally, "Total War: Three Kingdoms" is another great strategy game for the laptop, offering a mix of turn-based strategy and real-time battles set in ancient China. Both of these games provide a challenging and immersive strategy experience for players on the laptop. **

The cable of the 90W power supply should be at least 2 meters long if there is a demand of 180W. This is because the cable needs to be able to handle the higher power demand without overheating or causing a voltage drop. A longer cable also allows for more flexibility in positioning the power supply in relation to the device it is powering. **

Cleaning the laptop fan using software involves using programs that can help regulate the fan speed and monitor the temperature of the laptop. These software tools can help optimize the fan's performance and prevent it from getting clogged with dust and debris. By regularly running these programs, users can ensure that their laptop fan is functioning efficiently and prevent overheating issues. It's important to note that while software can help maintain the fan's performance, physical cleaning of the fan may still be necessary for more thorough maintenance. **

The Dijkstra algorithm is better for a navigation software compared to the brute-force algorithm. The Dijkstra algorithm is specifically designed for finding the shortest path in a graph, making it well-suited for navigation purposes. It efficiently calculates the shortest path from a starting point to all other points in the graph, which is essential for navigation software. On the other hand, the brute-force algorithm is not optimized for finding the shortest path and can be inefficient for large graphs, making it less suitable for navigation software. **

The laptop may not be working after the software update due to a compatibility issue between the new software and the laptop's hardware. It's possible that the update may have caused a glitch or error in the system, leading to malfunctions. Additionally, the update may not have been installed correctly, resulting in the laptop not functioning properly. It's important to troubleshoot the issue by checking for any error messages, restarting the laptop, or seeking technical support to resolve the issue. **