Diagnosing API errors, deployment failures, blockchain node issues, or software bugs? Use our interactive diagnostics and step-by-step guides.
Run a quick diagnostic check on your environment right from this page
Click the button below to run a browser-based system check — connection speed, browser features, screen info, storage, and hardware hints.
Answer a few questions and get a personalised debugging checklist
Paste any error message, stack trace, or deployment log and get an instant AI analysis
Select your issue type for step-by-step debugging solutions
Press Ctrl + Shift + Esc. Go to the "Performance" tab. Is CPU, RAM, or Disk at 100%? That tells you where the bottleneck is.
In Task Manager → Startup tab. Disable anything you don't need launching at boot. Too many startup items is the #1 cause of slow boot times.
Run Malwarebytes Free (see Downloads). Malware is a common cause of CPU/RAM spikes and slow performance.
Run Windows Disk Cleanup (search for it). Delete temporary files. If your C: drive is more than 85% full, your PC will slow down significantly.
Download CrystalDiskInfo. If your drive health is "Caution" or "Bad", that's why you're seeing slowdowns — back up data immediately.
If Task Manager shows RAM consistently near 100%, adding more RAM (upgrade to 16 GB minimum) will dramatically improve performance.
Is the power cable seated? Is the PSU switch (on the back) set to "I" (on)? Is the outlet working? Try a different power cable.
Is the monitor cable (HDMI/DisplayPort) firmly connected? Is the monitor on? Try a different cable or port. If you have a dedicated GPU, plug into the GPU — not the motherboard.
Power off completely. Remove RAM sticks, clean the slots with compressed air, and firmly reseat. Try booting with just one stick in slot A2.
Does your PC beep when starting? Count the beeps and look up the pattern in your motherboard's manual — they indicate specific hardware failures.
Many modern motherboards have a 2-digit LED display showing POST codes. Look up the code in your manual to identify the failing component.
Remove the CMOS battery (coin cell on motherboard) for 30 seconds, replace, and try again. This resets BIOS to defaults.
MEMORY_MANAGEMENT, CRITICAL_PROCESS_DIED) — it will help diagnose the cause.The BSOD shows a stop code. Google it plus your PC model for specific solutions. Common ones below.
Did you install new hardware, update drivers, or install new software recently? Undo the last change and see if BSODs stop.
Search "Windows Memory Diagnostic" in Start menu. Run it overnight to test for faulty RAM. Faulty RAM causes many BSODs.
Open Command Prompt as admin and run: sfc /scannow then DISM /Online /Cleanup-Image /RestoreHealth. These fix corrupted system files.
Outdated or buggy drivers — especially GPU drivers — cause many BSODs. Use Device Manager to update or roll back recent driver updates.
Unplug both for 30 seconds, plug modem back in first, wait 1 minute, then plug in router. Wait 2 minutes. This fixes 60% of home internet issues.
Can your phone connect to Wi-Fi? If yes, the problem is your PC — not the internet. If no devices connect, call your ISP.
Open Settings → Network & Internet → Advanced → Network Reset. This reinstalls all network adapters and resets settings to defaults.
Open Command Prompt as admin: ipconfig /flushdns then netsh winsock reset. Restart PC. Fixes many "no internet but connected" issues.
Go to Device Manager → Network Adapters. Right-click your adapter → Update driver. Outdated network drivers cause connectivity issues.
Download HWiNFO64 to see real-time CPU and GPU temperatures. Identify which component is overheating.
Dust buildup is the #1 cause of overheating. Use compressed air to blow out dust from all vents, heatsinks, and fans. Do this every 6–12 months.
Look at your fans — are they all spinning? A failed CPU fan will cause immediate thermal shutdown. Replace failed fans promptly.
If your CPU is more than 3–4 years old, thermal paste may have dried out. Reapplying quality thermal paste (Arctic MX-6, Noctua NT-H1) can drop temperatures by 15–20°C.
Ensure front fans blow in (intake) and rear/top fans blow out (exhaust). Manage cables to avoid blocking airflow. Consider adding more case fans.
| Sound | Likely Source | What to Do |
|---|---|---|
| 🔊 Clicking / Ticking | Hard drive (HDD) failing | Back up data immediately! Replace HDD. A clicking drive is dying. |
| 📢 Loud whirring / spinning | Fan at full speed or dust buildup | Clean dust from all fans. Check temperatures. Replace failing fans. |
| 😬 Grinding / scraping | Fan blade hitting cable or obstruction | Open case and find the obstructed fan. Re-route cables away from fans. |
| 💨 Hissing / coil whine | GPU or PSU coil whine (normal) | Generally harmless. Can indicate high electrical frequency. Contact manufacturer if severe. |
| 🔔 Single beep on boot | POST pass (normal) | This is normal. One beep = system passed POST checks. |
| 🔔🔔🔔 Multiple beeps | Hardware failure | Count beeps, look up code in motherboard manual. Usually RAM or GPU issue. |
Immediately disconnect from your network (unplug ethernet or turn off Wi-Fi) to prevent the malware from spreading or sending data.
Restart and press F8 (or hold Shift + click Restart) → Troubleshoot → Advanced → Startup Settings → Enable Safe Mode with Networking.
Download and run Malwarebytes Free. Run a Full Scan. Follow its recommendations to quarantine and remove threats.
Windows Security → Virus & Threat Protection → Scan Options → Microsoft Defender Offline Scan. This runs before Windows loads, catching deeply embedded malware.
After cleaning, change passwords for all accounts (email, banking, social media) from a different device — in case credentials were stolen.
If malware persists after multiple scans, a clean Windows reinstall is the most reliable fix. Back up personal files first.
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