3736Ensure that the disc LED is not litIf the disc LED is lit, press the EJECT Button and remove the disc.Turn off the console and disconnect the AC adapterEnsure that the power LED is red, then unplug the Wii U AC Adapter from the electrical outlet.Turn over the console and remove the battery coverThe battery cover screw is designed not to fall out once loosened.• To avoid damaging the head of the screw, use a size 0 cross-head screwdriver.Remove the battery, install the new batteryand replace the battery coverAfter removing the battery, place the new lithium coin cellbattery (CR2032) with the positive (+) side facing up, thenreplace the battery cover.• To avoid damaging the head of the screw, use a size 0 cross-headscrewdriver.Wii U Console BatteryHandling Used Lithium Coin Cell Batteriesz Insulate the positive (+) and negative (–) sides using tape to preventshorting by metallic objects.z Do not disassemble the battery.z Discarding batteries in your general household waste can beharmful to the environment. When disposing of the battery, followappropriate local guidelines and regulations.Replacing and Removing BatteriesTroubleshootingThis manual covers the topics listed below. Please review the troubleshooting information carefully beforecontacting Nintendo Customer Service (see Important Information booklet).z Power and Temperature of Devices (below)z GamePad Charging and Batteries (p 39)z TV Display and Audio (p 40)z Wii U GamePad Display and Touch Screen Response (p 41)z Controller Operations (p 42)· For information on other topics, see the Troubleshooting chapter of the Wii U Electronic Manual on the Wii U GamePad.· For information on the Wii Menu, see the Wii Menu Electronic Manual.· Also refer to any documentation for individual software titles or accessories.Power and Temperature of DevicesWii U console does not turn onIs the AC or DC plug of theAC adapter inserted firmly?Ensure that the plugs are firmly inserted (see Quick Start Guide).Is the power LED of theWii U console lit?If the power LED does not light up after pressing the POWER Buttonon the Wii U console, unplug the AC adapter from the electrical outlet,wait two minutes, then plug it back in to the electrical outlet.z If the power LED is flashing redUnplug the AC adapter from the electrical outlet, ensure that it isnot placed somewhere that accumulates heat (e.g. on top of AVequipment) and that there is at least 10cm of well-ventilated spacearound the air intake and air vents. Wait for two minutes, then plugthe AC adapter back in to the electrical outlet and turn the power on.z If the power LED is flashing bluePlease contact Nintendo Customer Service (see ImportantInformation booklet).Wii U GamePad does not turn onIs the battery depleted? Charge the Wii U GamePad (p 11).Is the battery correctly inserted? If the battery LED flashes orange during charging, or if the problemcontinues even though the Wii U GamePad is already charged, takethe Wii U GamePad Battery out for at least ten seconds. Once replaced,check to see if it is charged (p 33).Troubleshooting