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ManualsBrandsDell ManualsComputers & AccessoriesDell OptiPlex 790 MT Desktop, Intel Core i5 3.10GHz, 8GB DDR3, 2TB HDD, Win-10 Pro x64

Code 3-2-2

Cause Interrupt vector loading failure

Code 3-2-4

Cause Keyboard Controller Test failure

Code 3-3-1

Cause NVRAM power loss

Code 3-3-2

Cause NVRAM configuration

Code 3-3-4

Cause Video Memory Test failure

Code 3-4-1

Cause Screen initialization failure

Code 3-4-2

Cause Screen retrace failure

Code 3-4-3

Cause Search for video ROM failure

Code 4–2–1

Cause No time tick

Code 4–2–2

Cause Shutdown failure

Code 4–2–3

Cause Gate A20 failure

Code 4–2–4

Cause Unexpected interrupt in protected mode

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