Practical guide
Why is my Power BI dashboard slow?
A practical checklist for finding common Power BI performance problems.
Common symptoms
Pages take a long time to open, filters respond slowly, refreshes fail or simple visuals use too much memory.
What to check first
Review model size, relationships, calculated columns, DAX measures, Power Query steps, visual count and data-source performance.
A practical order
Start with the data model, then measures, queries and finally page visuals. Change one thing at a time and compare the result.
Expected output
A prioritised list of causes, improvements and any limitations that remain.