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I would like to know what is the procedure for discharging capacitors of a laptop, as my laptop is not able to power up. The AC power light starts to blink as soon as it's plugged to the laptop.

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  • It depends on the laptop. Usually, the easiest way is to disconnect the CMOS battery and wait overnight. But some laptops have a simpler way.
    – David Schwartz
    Dec 16, 2013 at 1:17
  • i have lenovo G570, i have removed all the wires from the main-board.
    – Ray
    Dec 16, 2013 at 1:33

1 Answer 1

Reset to default
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The way to do this is, with the computer shut down, unplug the computer, remove the battery, and hold the power button down for 30 seconds. This is also called a reset, good for correcting certain issues that pop up with laptops. It essentially drains all the stored energy that remains in a laptop after shut down.

Edit 12-26-13

There may be another issue that your laptop has. If the only thing that blinks is the AC power light, check the power adapter itself or the battery. I have seen this happen in laptops with these at fault. Either way the battery may be dead

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  • i tried doing that but it didn't work, the light on the AC power plug still blinks, and still the laptop is not starting up.
    – Ray
    Dec 22, 2013 at 0:35

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