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Legacy guideHardware & printing

Troubleshoot a computer with no power

Follow the original TriPrism hardware checklist for a production computer that shows no power indicators.

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No-power checklist

Legacy documentationThis procedure is preserved for systems that still run this software or hardware generation. Confirm the application and macOS version before making changes.

HARDWARE PROBLEMS - NO POWER LIGHTS (ON THE COMPUTER)

  1. Check your power (power strip, cable, etc.)
  2. Try another power source
  3. Try another working power cable (from printer, etc.)
  4. Remove all devices from the computer (50% rule)
  5. If possible, open the computer
    1. Check internal cables, boards, and blow out dust
    2. Remove accessible boards (ie RAM - but leave 1 DIMM of RAM in the slot)
  6. Get out the credit card and order a new computer or contact an Apple Store or Apple repair specialist to fix your computer.
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