Problem description: When you plug the AC adapter into the laptop, there are no lights turning on at all. When you push on the power button, nothing happens. The laptop appears to be completely dead, makes no sounds, no indications of life.
Possible problem:
- AC adapter failed and the battery discharged completely. First of all, test the AC adapter. If it’s dead, replace the adapter.
- DC jack separated from the motherboard (or DC jack broken) and the laptop doesn’t get any power from the AC adapter. In this case the DC jack has to be replaced.
- Laptop motherboard failed. If that’s the case, most likely the laptop not worth fixing.
- AC adapter failed and the battery discharged completely. First of all, test the AC adapter. If it’s dead, replace the adapter.
- DC jack separated from the motherboard (or DC jack broken) and the laptop doesn’t get any power from the AC adapter. In this case the DC jack has to be replaced.
- Laptop motherboard failed. If that’s the case, most likely the laptop not worth fixing.
Here are some tips for testing laptop AC adapter and DC jack connector.
Also, make sure to read step-by-step instructions for troubleshooting dead laptops.
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