Dell T3500 Error 4-2-4: Unexpected interrupt in Protected Mode

Dell T3500 · taken from the manufacturer’s manual, pages cited

Error code4-2-4

Unexpected interrupt in Protected Mode suggests an internal system interruption during protected mode execution. The manual lists no action for this code.

Model
Dell T3500
Display shows
Unexpected interrupt in Protected Mode (4-2-4)
Type
Error code
Source
Manual p. 14

What 4-2-4 means

Unexpected interrupt in Protected Mode p. 14

If 4-2-4 is still not resolved

  • contact service / dealer p. 2
    “CAUTION: Only a certified service technician should perform repairs on your computer .”
Open the manual at page 14 All T3500 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 4-2-4; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Dell. Found a mistake? Report an error.