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This article provides information about integrated self-test (BIST, also called built-in diagnostics, or BID) and self-test feature check (STFC) diagnostic tests available on Dell monitors. Learn how to run a diagnostic test to diagnose hardware issues with Dell monitors.
Updated: يونيو 12, 2026
ID: 000124390
See the Suggested Quick Fixes for a desktop or laptop keyboard not working and the keyboard troubleshooting sections for help with resolving your keyboard issues.
Updated: يونيو 10, 2026
ID: 000131432