It seems like you've taken several troubleshooting steps already, but the issue persists. Here are some additional steps you can take to try and resolve the FPS drop issue in CS 1.6 on your Acer 5742G laptop: 1. Check Background Processes: - Make sure that no unnecessary programs are running in the background that could be consuming system resources. 2. Monitor System Resources: - Use a monitoring tool like Task Manager to check CPU, GPU, and RAM usage during gameplay to identify any spikes that could be causing the FPS drop. 3. Update Graphics Drivers: - Ensure that your NVIDIA GeForce GT 420M graphics drivers are up to date. You can download the latest drivers from the NVIDIA website. 4. Optimize Game Settings...