Your Windows computer is acting up. It could be anything: your internet won’t work, audio is missing, USB devices aren’t recognized, or apps keep crashing. Before you call someone or buy new hardware, try Windows Troubleshooters. These built-in tools scan your system and fix problems automatically. Let me show you how.
What Are Windows Troubleshooters and Why Should You Use Them?
Windows Troubleshooters are diagnostic tools built into Windows that detect and repair common system problems. Think of them as doctors for your computer. They run tests, identify what’s broken, and often fix issues without requiring you to restart or call IT support.
The real advantage? You don’t need technical knowledge. The troubleshooters do the thinking. They’re free, built into your operating system, and can solve problems in minutes that might take hours to fix manually.

Where to Find Windows Troubleshooters on Your PC
Method 1: Settings App (Fastest Way)
Open Settings by pressing Windows key + I on your keyboard. This opens the Settings menu instantly.
Navigate to System > Troubleshoot > Other troubleshooters. You’ll see a list of available troubleshooters specific to your version of Windows.
Click on the troubleshooter you need. Hit Run to start the diagnostic scan immediately.
Method 2: Control Panel (Legacy Method)
Press Windows key + R to open the Run dialog box.
Type “control” and press Enter to open the Control Panel.
Select Troubleshooting from the menu. You’ll see categories like Hardware and Sound, System and Security, and Network and Internet.
Choose your troubleshooter category and select the specific tool you need.
Method 3: Search Bar (Direct Method)
Click the Windows search bar at the bottom left of your screen.
Type “troubleshoot” in the search box.
Select Troubleshoot settings from the results. This takes you directly to the troubleshooter list.
Complete List of Windows Troubleshooters and What They Fix
| Troubleshooter Name | What It Fixes | Best Used When |
|---|---|---|
| Network and Internet | Connection problems, slow speeds, DNS issues | You can’t access websites or devices |
| Audio | Sound not working, volume issues, speaker problems | No audio or distorted sound output |
| Display | Resolution problems, refresh rate issues, flickering screens | Screen looks wrong or won’t display properly |
| Printer | Printing failures, driver issues, queue problems | Printer not printing or not recognized |
| Bluetooth | Wireless device connectivity, pairing issues | Headphones, mice, or other wireless devices won’t connect |
| Keyboard | Key response problems, driver conflicts | Keyboard not working or typing incorrectly |
| USB | External drive detection, port issues, device recognition | USB devices aren’t recognized by your computer |
| Hardware and Devices | Driver problems, device conflicts, hardware failures | Devices are missing or conflicting |
| Performance | System slowness, startup delays, resource problems | Your PC runs slowly or freezes |
| Power | Battery issues, sleep mode problems, power settings | Laptop won’t charge or sleep function fails |
Step-by-Step Guide to Run a Troubleshooter for Windows PC Issues
Step 1: Identify Your Problem
Before you run a troubleshooter, know what you’re fixing. Is your internet down? Is a device not recognized? Is your sound missing? Having a clear problem helps you choose the right troubleshooter.
Step 2: Open Settings and Navigate to Troubleshooters
Press Windows key + I to open Settings.
Click System from the left sidebar.
Select Troubleshoot from the menu.
Click Other troubleshooters to see the full list.
Step 3: Select the Appropriate Troubleshooter
Read the descriptions next to each troubleshooter. Match it to your problem. For network issues, select Network and Internet. For printer problems, select Printer.
Step 4: Run the Troubleshooter
Click the Run button next to your chosen troubleshooter. The scanning process starts immediately.
Wait while Windows analyzes your system. This typically takes 30 seconds to 2 minutes.
Read any problems detected on the screen. Windows will list each issue found.
Step 5: Review Results and Apply Fixes
The troubleshooter shows what it found and asks if you want to apply recommended fixes.
Click Apply this fix if you agree. Windows implements the solution immediately.
Some fixes require administrator approval. Click Yes when prompted.
Wait for the fixes to complete. You may see a message saying “Troubleshooting is complete.”
Step 6: Restart Your Computer
Once fixes are applied, restart your computer. Close any open programs first.
Press Windows key + X and select Shut down or sign out > Restart.
Your computer reboots with the fixes active.
Real Problems and How Troubleshooters Solve Them
Problem: Internet Connection Won’t Work
You open your browser and get a “No internet” message. Your WiFi is connected but nothing loads.
Open Settings and navigate to Troubleshoot > Other troubleshooters.
Run the Network and Internet troubleshooter.
The tool checks your internet connection, DNS settings, and network drivers.
Common fixes applied: Resetting network adapters, refreshing DNS cache, updating network drivers, or reconnecting to WiFi automatically.
This troubleshooter solves the issue about 70% of the time without you doing anything else.
Problem: Audio Not Playing Through Speakers
You start a video and there’s no sound. Your volume isn’t muted. Nothing in the settings seems wrong.
Open Settings > System > Troubleshoot > Other troubleshooters.
Run the Audio troubleshooter.
Windows scans your audio drivers, device connections, and sound settings.
Common fixes applied: Updating audio drivers, resetting audio formats, disabling conflicting audio devices, or restarting the audio service.
After the troubleshooter runs, restart your computer and test your speakers again.
Problem: USB Drive Not Recognized
You plug in a USB drive and your computer doesn’t show it in File Explorer. No error messages appear.
Navigate to Troubleshoot > Other troubleshooters.
Run the USB troubleshooter (listed under Hardware and Devices).
The tool scans your USB ports and connected devices.
Common fixes applied: Updating USB drivers, checking for hardware conflicts, enabling USB ports that are disabled, or reinstalling device drivers.
Your USB drive typically appears in File Explorer after these fixes.
Problem: Computer Running Slowly and Freezing
Your PC takes forever to start. Programs lag. Everything feels sluggish.
Open Settings > System > Troubleshoot > Other troubleshooters.
Run the Performance troubleshooter.
Windows checks your disk space, running processes, and startup programs.
Common fixes applied: Disabling unnecessary startup programs, freeing up disk space, updating drivers, or adjusting performance settings.
This often makes noticeable improvements within a few minutes after the troubleshooter completes.
Advanced Troubleshooting Tips When Basic Steps Don’t Work
Run Multiple Troubleshooters Sequentially
Sometimes multiple systems need fixing. Run the Network troubleshooter first, then the Hardware and Devices troubleshooter. Each one addresses different root causes.
Check if Troubleshooters Report Critical Errors
Read the troubleshooter output carefully. If it says “Critical driver missing” or “Hardware failure detected,” you may need professional help. Take a screenshot of these messages for reference.
Restart Between Troubleshooter Runs
If you run multiple troubleshooters, restart your computer between each one. This lets fixes take effect before running the next scan.
Update Windows Before Running Troubleshooters
Press Windows key + I to open Settings. Go to Update and Security > Windows Update and click Check for updates. Installing the latest patches sometimes includes driver updates that troubleshooters need.
Run Troubleshooters in Safe Mode for Stubborn Problems
Safe Mode loads only essential system files. This helps identify software conflicts.
Press Windows key + R and type “msconfig.”
Click the Boot tab.
Check Safe boot and click OK.
Your computer restarts in Safe Mode. Run your troubleshooter here. Repeat the process and uncheck Safe boot to return to normal mode.
Troubleshooting When the Troubleshooter Itself Fails
Troubleshooter Won’t Open
Right-click on Settings or the Control Panel shortcut and select Run as administrator. This grants the necessary permissions.
If that doesn’t work, press Windows key + R, type “C:\Windows\System32\DiagTaskRunner.exe” and press Enter. This runs the diagnostic task runner directly.
Troubleshooter Runs But Finds No Problems
This can mean two things. Either the problem is minor and resolved automatically, or the issue is beyond the troubleshooter’s scope.
Restart your computer anyway. Sometimes the simple act of restarting fixes issues the troubleshooter didn’t identify.
If the problem persists, search Microsoft’s support website or post your specific error message in forums to find manual solutions.
Troubleshooter Recommends Fixes You Already Applied
This sometimes happens with driver-related issues. The fixes may require you to manually download drivers from manufacturer websites. For example, if the Audio troubleshooter keeps recommending audio driver updates, visit your computer manufacturer’s support page and download the latest audio driver manually.
When NOT to Use Troubleshooters and When to Seek Help
Troubleshooters work best for connectivity, audio, display, and device recognition issues. They’re less effective for software conflicts, corrupted files, or malware infections.
If you’ve run the relevant troubleshooter and it still doesn’t work, try these steps:
Run a full Windows Update. Go to Settings > Update and Security > Windows Update and ensure everything is fully updated.
Scan for malware using Windows Defender or a third-party antivirus program. Malware often disguises itself as hardware or driver problems.
Search your specific error message on Microsoft’s official support portal. Specific error codes often have targeted solutions.
If nothing works and you’re stuck, contact your computer manufacturer’s support team or a local IT professional. Provide them with screenshots of your troubleshooter results.
Summary: Your Troubleshooting Action Plan
Windows Troubleshooters are your first line of defense against common PC problems. They’re built-in, free, and effective for most issues.
Start by identifying what’s wrong with your computer. Use the table provided to match your problem to the right troubleshooter.
Open Settings > System > Troubleshoot > Other troubleshooters and run the appropriate tool.
Wait for the scan to complete and apply any recommended fixes.
Restart your computer to let the fixes take effect.
If the troubleshooter doesn’t work, run multiple tools or seek professional help.
This simple workflow solves the majority of Windows issues without requiring technical expertise or expensive software.
Frequently Asked Questions
Will running a troubleshooter delete my files?
No. Windows Troubleshooters diagnose and repair system settings and drivers. They don’t touch your personal files, documents, or photos. Your data remains completely safe.
How long does a troubleshooter take to run?
Most troubleshooters complete their scan in 30 seconds to 2 minutes. Some may take up to 5 minutes if your system is slow or has many devices connected. Be patient and don’t interrupt the process.
Can I run multiple troubleshooters at once?
It’s better to run them one at a time and restart between each one. Running multiple troubleshooters simultaneously can cause conflicts or prevent fixes from taking effect properly.
What if the troubleshooter asks for administrator permission?
Click Yes to grant permission. Troubleshooters need administrator access to modify system settings and drivers. You’re not approving anything dangerous; you’re just letting Windows make the necessary changes.
Are Windows Troubleshooters reliable or should I use third-party tools?
Windows Troubleshooters are reliable for their intended purpose and are safer than downloading unknown third-party tools. They work for most common issues. Only consider third-party diagnostic tools if a troubleshooter specifically recommends a manufacturer’s tool or if you’re facing an uncommon problem.
For more detailed information about specific Windows errors, visit the official Microsoft Support website where you can search specific error codes.
If you need help with specific hardware drivers, check your computer manufacturer’s official support page where drivers are always up to date and verified.
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