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Slow system performance - check Task Manager; Windows Update; check disk space; laptop may be using power-saving mode; anti-virus scan.
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Limited connectivity - check IP address config; reboot; ping default gateway.
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Boot errors - check boot drives; Startup Repair; modify Windows BCD.
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App crashes - check Event Log; Reliability Monitor; reinstall app.
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BSOD - reboot system; System Restore; reset hardware; hardware diagnostics.
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Black screen - start in VGA mode; run SFC (System File Checker); update drivers in Safe Mode; recover from backup.
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Slow boot - manage startup apps; Task Manager.
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Common troubleshooting solutions:
- Defragmentation
- Reboot
- Kill tasks
- Restart services
- Update network settings
- Reload/Restore OS
- Update and patch
- Repair apps
- Disable startup services/apps
- Safe Mode
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Pop-ups - update browser; scan for malware.
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Browser redirection - scan for malware; anti-malware; restore backup.
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Browser security alerts - look at certificate details.
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Malware network symptoms - slow performance; OS update failures; connectivity issues.
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Malware OS symptoms - renamed system files; files removed; access denied.
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System lock up - terminate bad apps; check logs; security issues.
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Email security - spam filters; scan for malware.
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Steps to remove malware:
- Identify malware symptoms
- Quarantine infected systems
- Disable System Restore
- Update anti-virus
- Scan and remove
- Schedule scans and run updates
- Enable system protection
- Educate end user