Desktop Memory System: shorted board rail. A capacitor or semiconductor pulls a supply toward ground.

The distinguishing clue

Current draw is abnormal and protection may stop startup.

Checks before an assessment

Record the exact memory-kit and motherboard models from existing records, plus any capacity or POST message. Do not force modules or repeatedly swap them during power-on tests.

Stop point: Forcing a module into a damaged or incorrectly keyed slot can ruin both parts.

Workshop confirmation and repair

Device-level check: Compare known modules and slots, inspect socket condition and review supported timings.

Targeted check: Isolate loads and locate the affected rail using controlled measurements. If confirmed: Replace the shorted component and verify resistance before power.

Repair boundary: Repair the confirmed slot, channel, board or compatibility fault.

Related cause to rule out

When fans or lights start but the board never completes initialisation, also consider Desktop Memory System: incorrect power sequence before choosing a repair.

Checks after the work

After repair or replacement, check each channel, full capacity, memory test and sustained workload.

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