All-in-One Computer Wi-Fi System: network negotiation failure. Two devices cannot agree on link speed, security or registration.

The distinguishing clue

A connection exists only with one router, cable mode or network type.

Checks before an assessment

Record distance from the access point and time since startup. Compare another device at the same location before attributing weak reception to the computer.

Stop point: All-in-one housings may contain mains-power sections and should be opened safely.

Workshop confirmation and repair

Device-level check: Compare distance, bands, temperature, driver state and a known external adapter.

Targeted check: Compare known network equipment and inspect negotiated parameters. If confirmed: Correct the incompatible setting or failing physical layer.

Repair boundary: Repair the module, antenna, software or board path confirmed by comparison.

Related cause to rule out

When signal bars may look strong while speed and latency are poor, also consider All-in-One Computer Wi-Fi System: severe radio interference before choosing a repair.

Checks after the work

After repair or replacement, check both Wi-Fi bands, sustained transfer, restart and warm operation.

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