Common IT Issues & How to Fix Them



🛠️ Common IT Issues & How to Fix Them

If you’re in IT support or managing your own system, here are frequent problems and simple solutions to resolve them quickly:

1. 💻 Slow Computer

  • Open Task Manager (Ctrl + Shift + Esc)

  • Check CPU, RAM & Disk usage

  • Disable unnecessary startup apps

  • Run Disk Cleanup or Storage Sense

  • Scan for malware with Windows Security

2. 🌐 No Internet Connection

  • Check cables or Wi-Fi signal

  • Restart your modem, router & PC

  • Run these in Command Prompt:

    • ipconfig /release

    • ipconfig /renew

    • ipconfig /flushdns

3. ❌ App Not Responding

  • End task via Task Manager

  • Reinstall or update the app

  • Check for Windows updates

  • Try Compatibility Mode

4. 💀 Blue Screen (BSOD)

  • Take note of the error code on the screen

  • Boot into Safe Mode With Networking

  • Update drivers

  • Run: sfc /scannow

5. 🔐 Can’t Log In

  • Reset local password

  • Try Safe Mode

  • Domain user? Check network & domain controller, reset the account password there.

6. 🔄 Windows Update Not Working

  • Run the Troubleshooter

  • Clear update cache:

    • net stop wuauserv

    • net stop bits

    • del C:\Windows\SoftwareDistribution\Download\* /f /s /q

    • net start wuauserv

    • net start bits

7. 🔊 No Sound

  • Check mute/audio cable

  • Right-click volume icon → Troubleshoot

  • Update/reinstall sound drivers

  • Check the driver by searching in Google. Keyword: <Laptop Model> audio driver download.

✅ IT doesn’t have to be complicated — mastering these basics can save time and keep users productive.


Find solutions to common IT problems like slow computers, no internet, app not responding, blue screen errors, login issues, and more. Learn practical steps to troubleshoot and fix everyday tech issues quickly

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