Purpose:
Resolve persistent blank screen caused by failing hardware.

Steps:

1. Connect a known-good monitor to the same source device.
2. If display works on alternate monitor:
   • Mark original screen as faulty
3. If display remains blank:
   • Escalate for deeper system or hardware diagnosis
4. Document:
   • Time of failure
   • Duration
   • Any heat or flicker observed

Result:
Faulty hardware identified or escalation path initiated.

Close Condition:
If replacement resolves issue, mark T-000073 resolved.
If escalated, track under hardware service follow-up.