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Dell inspiron 3542 3 beeps no display

Troubleshooting Laptops & Notebooks - Badcaps Forums - www.badcaps.net
I got a Dell Inspiron 3542 laptop a couple of days ago.

It's powering up but no display and full blank. It gives 3 beeps continuously.

The output of PU4806 is 0.8v but when I remove the PL4801 the output is 1.05v as desire. The schemaic on the following. Did anyone experience this issue? Help me figure out.

Thanks....


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