Troubleshooting dell inspiron 4150

bg7141

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Dec 26, 2009
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I'm operating the i4150 with windows xp home edition. Since my last write in, I ran down the battery to the point where I could not boot up. Now when I plug in the ac adapter, which I checked and it has about 18V output, the light does not come on indicating that I have no power to the machine. What next?