Method I:
The easiest but most difficult way to go to LOGS folder [usually located @ C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\LOGS]. Open the log file and try to find the error using correlation ID or error description
Method II:
Download ULS Viewer provided by Microsoft to read from log files
Method III:
Use power shell command Get-SPLogEvent to read from log files.
Method IV:
Use third party tools for reading log files
- SharePoint Correlation ID View Webpart
- SharePoint ULS Log Viewer
- SharePoint Log Reader
- SharePoint LogViewer
- SPTraceView – Lightweight Tool For Monitoring The SharePoint Diagnostic Logging In Real-Time
