If it is not loose, go to Check 4. Check 4 Use a millimeter to BenQ NTV00 sure that the AC adaptor output voltage is close to 19 V. If the output is several percent lower than 19 V, go to Check 5. If the output is close to 19 V, go to Check 6. If the battery LED does not light, go to Check 6. If the battery is properly installed and BenQ NTV00 battery LED still does not[…]
