Building your first PC: Post-build optimization
By Ben, BPU Contributor
Updated on
Optimize your newly built PC with our guide. Configure BIOS settings, consider overclocking, and monitor your system to ensure peak performance.
This is part of a 10-page guide on How to build your first PC. If you haven’t seen the other parts yet, make sure to check out this link to explore the entire guide.
Post-Build Optimization
After assembling your PC and installing the operating system, there are several important steps to optimize your system for peak performance and reliability. These optimizations ensure that your PC runs smoothly, remains stable, and delivers the best possible experience based on your hardware.
A. BIOS/UEFI Configuration
The BIOS (Basic Input/Output System) or UEFI (Unified Extensible Firmware Interface) is a critical part of your PC’s functionality, controlling hardware-level settings. Configuring the BIOS/UEFI properly can improve performance and stability.
Updating the BIOS/UEFI:
Manufacturers frequently release BIOS/UEFI updates that can improve compatibility, enhance performance, or fix bugs.
Visit your motherboard’s official website to download the latest BIOS/UEFI version. Follow the manufacturer’s instructions to update it. Typically, this involves placing the update file on a USB drive and using the BIOS/UEFI interface to apply it.
Configuring Boot Order:
Ensure your primary storage drive is set as the first boot device. This speeds up the boot process and ensures the correct drive is used for the operating system.
Enabling XMP (Extreme Memory Profile) for RAM:
XMP allows your RAM to run at its advertised speed rather than the default lower speed.
In the BIOS/UEFI, navigate to the memory settings and enable the XMP profile. This step is crucial for getting the most out of your high-performance RAM.
Setting Up Fan Curves:
Customize fan curves to balance cooling performance and noise levels. You can adjust the fan speed based on temperature thresholds, ensuring your system stays cool without unnecessary noise.
Most modern motherboards allow you to set these fan curves directly in the BIOS/UEFI.
Checking CPU and GPU Temperatures:
While in the BIOS/UEFI, monitor the CPU temperature to ensure your cooling solution is working correctly. Idle temperatures should be low (typically below 40°C).
After booting into the OS, use software tools (like HWMonitor or MSI Afterburner) to monitor GPU temperatures, ensuring they remain within safe limits under load.
B. Overclocking (Optional)
Overclocking is the process of increasing the clock speeds of your CPU, GPU, or RAM beyond their factory settings to boost performance. While it can provide noticeable performance gains, it also increases power consumption and heat output, so proceed with caution.
Overclocking the CPU:
Basic Overclocking: Start by increasing the CPU multiplier in the BIOS/UEFI, which directly increases the clock speed. Test stability after each increment using stress-testing software like Prime95.
Advanced Overclocking: Adjust the CPU core voltage (Vcore) if necessary, but do so cautiously to avoid overheating. Higher voltages can improve stability but also generate more heat.
Testing Stability: After overclocking, run stress tests for several hours to ensure the system remains stable under load. Monitor temperatures to prevent overheating.
Overclocking the GPU:
Use software like MSI Afterburner to overclock your GPU. Start by increasing the core clock and memory clock in small increments.
Test stability and performance after each adjustment using benchmarking tools like 3DMark or in-game performance tests.
Pay attention to temperatures and avoid pushing the GPU too far, as this can lead to crashes or reduced hardware lifespan.
Overclocking RAM:
Besides enabling XMP, you can manually overclock your RAM by adjusting the frequency, timings, and voltage in the BIOS/UEFI.
Use benchmarking tools like AIDA64 to test memory performance and stability after adjustments.
Consider Cooling Solutions:
If you’re planning significant overclocking, consider upgrading your cooling solutions. High-performance air coolers or custom liquid cooling loops are effective at managing the increased heat output from overclocked components.
C. System Monitoring
Ongoing system monitoring helps you maintain optimal performance and quickly identify any potential issues. Regular monitoring ensures your system runs smoothly and efficiently.
Monitoring Software:
Install monitoring software like HWMonitor, HWiNFO, or Open Hardware Monitor to keep an eye on temperatures, voltages, fan speeds, and overall system health.
For more advanced monitoring, tools like AIDA64 offer comprehensive reports on system stability and performance.
Set Up Alerts:
Some monitoring tools allow you to set up alerts if temperatures or voltages exceed safe thresholds. This proactive approach helps prevent overheating or hardware failure.
Check for Bottlenecks:
Use benchmarking tools (e.g., Cinebench, 3DMark) to identify any potential bottlenecks in your system. If one component (like the CPU or GPU) consistently performs below expectations, consider upgrading or optimizing that component.
Optimize Storage:
Regularly check your storage drives for health using tools like CrystalDiskInfo or Samsung Magician (for Samsung SSDs). These tools can alert you to any signs of drive degradation or failure.
Consider defragmenting HDDs and optimizing SSDs using the built-in tools in Windows or third-party software to maintain performance.
D. Cable Management Revisit
Good cable management isn’t just about aesthetics—it also plays a crucial role in airflow and system stability. After your initial build, revisiting cable management can further optimize your setup.
Re-route Cables for Optimal Airflow:
Ensure that all cables are neatly routed away from fans and airflow paths. This reduces the risk of cables blocking airflow and causing hotspots inside your case.
Use cable ties, Velcro straps, and the case’s built-in cable management features to keep everything tidy.
Secure Loose Cables:
Double-check that all cables are securely fastened and won’t come loose during operation. Loose cables can cause short circuits or interfere with moving parts like fans.
Consider Cable Extensions or Custom Sleeving:
For a cleaner look, you might want to invest in cable extensions or custom sleeving kits. These not only improve the visual appeal but also make it easier to route and manage cables.
Inspect and Adjust Regularly:
Over time, cables can shift due to vibrations or minor movements. Periodically inspect your system and adjust the cable management as needed to maintain optimal airflow and organization.
E. Final Testing
Once all optimizations are in place, it’s important to thoroughly test your system to ensure everything is functioning as expected. This final round of testing will help identify any issues before you start using your PC for everyday tasks.
Run Comprehensive Stress Tests:
Use stress-testing software like Prime95 (for CPU), FurMark (for GPU), and MemTest86 (for RAM) to push your components to their limits. This helps ensure stability under heavy loads.
Run these tests for several hours to detect any potential issues, such as overheating, instability, or crashes.
Benchmark Your System:
Use benchmarking tools like Cinebench, 3DMark, or PCMark to evaluate your system’s performance. Compare your results with similar systems to ensure you’re getting the expected performance from your components.
Pay attention to any discrepancies that might indicate issues with specific components.
Test Real-World Performance:
Play games, run demanding applications, and perform typical tasks to see how your system handles them in real-world scenarios. Monitor performance and temperatures during these tasks to ensure everything runs smoothly.
Resolve Any Issues:
If you encounter any instability, crashes, or performance issues, revisit your overclocking settings, check connections, and review your BIOS/UEFI configurations.
Address any issues before putting your PC into regular use to avoid potential hardware damage or data loss.
By following these post-build optimization steps, you can ensure your new PC delivers the best possible performance, stability, and longevity. Whether you’re gaming, working, or creating, a well-optimized system will enhance your experience and make the most of your hardware investment.