🛠️ 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.
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