Computer Graphics Display Output: failed graphics output hardware. The graphics hardware cannot produce a stable video signal on the affected path.

The distinguishing clue

Verified displays and cables fail on that path while another supported path works.

Checks before an assessment

Record the affected display, port, resolution and refresh rate. Compare a known cable and display if the connectors are sound; stop load tests if excessive heat accompanies artefacts.

Stop point: Stop high-load testing if artefacts are accompanied by excessive heat or burning smell.

Workshop confirmation and repair

Device-level check: Compare another cable and display, inspect temperatures and separate software from hardware rendering.

Targeted check: Compare outputs and a known compatible graphics path under controlled conditions. If confirmed: Repair or replace the confirmed failed graphics hardware.

Repair boundary: Repair driver state or the confirmed graphics card, connector or board path.

Related cause to rule out

When the image drops when the affected connection is disturbed but another output remains stable, also consider Computer Graphics Display Output: loose display signal connection before choosing a repair.

Checks after the work

After repair or replacement, check native resolution, multiple outputs, video playback, graphics load and restart.

For an AEPC repair assessment in East Auckland, provide the exact model and observed clue. Call 027 908 8880 before visiting the Burswood workshop.