1. The Real Cause of Common PC Faults, Avoid Reinstalling System Blindly
When using Windows computers in daily life, most users encounter annoying unexplained faults. The PC freezes immediately after startup, games crash randomly without warning, and some applications fail to open no matter how many times you click.
Most ordinary users will choose to reinstall the system directly when facing these problems. It wastes plenty of time and may lead to loss of important files, work data and personal records. In fact, these faults are rarely caused by system damage. The main reason is conflicts between background services of third-party software and resource occupation of auto-start programs.
Professional computer users always use the built-in Windows Clean Boot to solve such problems. It allows the system to run in the purest core state without interference from redundant third-party programs. You can locate rogue software that causes faults without reinstalling the system, and avoid common operation mistakes made by beginners.
2. Step 1: Disable Startup Apps to Clean Up Background Interference
Auto-start applications are the main culprit for slow startup, high CPU and memory usage. Many software set automatic startup by default, run silently in the background and compete for system resources, resulting in freezing and crashing. You need to disable unnecessary startup programs via Task Manager with detailed steps:
- Right-click the blank area of the taskbar at the bottom of the desktop;
- Select and open Task Manager from the right-click menu;
- Click the Startup apps option on the left sidebar of Task Manager;
- Check all apps marked Enabled in the list, which run automatically with Windows;
- Select all unnecessary enabled apps one by one, right-click and choose disable to turn off their startup permission;
- Restart your computer manually after disabling all redundant startup programs.
After restarting, the PC will get rid of background interference from auto-start software, boot speed will be improved obviously, and you can initially find the cause of system lag and slow operation.
3. Step 2: Block Non-Microsoft Services to Avoid Software Conflicts
Disabling startup apps is not enough. Many rogue software still run resident background services even without auto-start, causing program conflicts. Next, you need to block all non-official third-party services through system configuration, only keep necessary core system services. Follow the detailed steps below:
- Press the keyboard shortcut Win+R to open the Run window;
- Enter the command `msconfig` in the input box and click OK to open System Configuration;
- Switch to the Services tab on the top navigation bar of the pop-up window;
- Check the box of Hide all Microsoft services to filter out essential system core services automatically;
- All remaining items in the list are third-party software services, click Select all to check them all;
- Click Disable all to close all third-party background services, then click OK to save settings;
- Restart your computer again to apply all configuration changes.
4. Locate Fault Software Precisely With Dichotomy Method
After completing all Clean Boot settings and restarting the computer, you can easily judge the source of the fault. If problems such as startup freezing, game crashing and app failure disappear completely, it means the fault comes from the disabled third-party software and services.
There is no need to check programs one by one manually. You can use the dichotomy method for efficient screening. Enable batches of software and services step by step, observe the running state of the computer after each batch. Once the fault reappears, you can lock the problematic range, narrow down the scope gradually, and finally find out the rogue software that slows down the system and causes conflicts.
5. Long-term Maintenance Tips to Keep PC Away From Lag and Crash
Once you master the Clean Boot troubleshooting method, you will no longer be troubled by unexplained computer faults, and there is no need to reinstall the system frequently. In daily use, check startup items regularly, disable useless third-party background services from time to time, and uninstall rogue software that occupies high resources and runs forcibly in the background.
In this way, you can keep the Windows system running smoothly for a long time, and fundamentally avoid common faults such as startup freezing, game crashing and application opening failure.
6. Demo Video
You can watch the following demo video by select the subtitle to your preferred subtitle language.