resistor power rating?

hello, first of all disclaimer, this is for a Lenovo flex laptop. An 0402 resistor, millimeters from the firmware chip, broke off. The schematic and board file both indicate: "15 0402 5%". I'm assuming the 15 is ohms. Without any indication of power rating I went with 1/16W, but this did not change the startup behavior I'm seeing (flashing lights, fans spin for a few seconds, kb backlight goes on and off). Am I reading this resistor wrong? Could the power rating on this resistor be a critical component? thanks in advance...not looking for a repair, just advice on this resistor if that's possible 😊 thanks
 
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