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All variations of the HP G61 laptop.

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laptop not powering on

how can i find a short in the motherboard when it cant power on

ac adapter is okay geting 18-19 dc volts from the power jack

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noel chanda how do you know it's a short? Have you checked your AC adapter? Checked you DC-in jack? Checked your battery? Checked your power button? What have you checked?

My laptop black screen when l power it ..

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it is because i tried to run some checks and yes i checked all that you have mention includind leaving the motherboard whithout being connected to anything except having the memory and processor on it it did not power on but when i tried connecting the battrey it tried to come on for some minutes and went dead again

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