We can see here that your report will look this:
Report on Computer Issues and Troubleshooting Recommendations
- Briefly introduce the scenario: Neighbor's computer is running slow and redirecting to unfamiliar sites.
 
Your Observations and Initial Assessment
- Web browser redirects to unfamiliar sites
 
- Potential symptoms of malware or a computer virus
 
The Potential Causes you noticed
- Malware or virus infection
 
- Adware or unwanted browser extensions
 
- Insufficient system resources or hardware issues