How do I adjust the output voltage on a targus pa350 universal dc power supply? I cut the end off to try to hard wire it to a barrel connector that my laptop will accept, but it now only puts out 16 volts. I need 9.5 volts. It seems to have 4 wires (one ground, one positive, and two other smaller wires I assume to be the selectors for the voltage). I think it may sense resistance on these smaller wires, but not sure. I don't know what makes it choose the voltage. How can I adjust the output voltage?
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Adjusting the targus pa350 universal DC Power Supply