Anbernic RG 40XXV Does Not Power On

If you attempt to power on your Anbernic RG 40XXV and it does not power on as expected, follow these steps to determine the cause.

If the power button is pressed and the device does not power on, the following may be the cause.

• Ensure the device has been plugged into the charging cable for at least 15 minutes.
• Press the power button for about one-half a second. When doing so, take note of how the power button feels. If it feels stiff or non-responsive (no click), then the button is likely stuck in the on or off position.
• Check the case where the power button is located for dust, dirt, or other obstructions that could inhibit the button from moving freely.
• Observe the power button for excessive wear or damage to the button or case around the button.

If the battery appears to have a charge or the device is plugged in and the power button does not appear to be damaged or obstructed, the issue may be attributed to a faulty connection between the button and the motherboard.

Once the device has been plugged in properly, a steady yellow charging indication light should appear next to the HD input and the edge of the device. If the battery does not appear to be charged after it is unplugged, the following may be a cause.

• The device was not properly plugged in; unplug both ends and reattach the cable to ensure good contact and then wait 15 minutes to ensure a minimal charge to the device.
• Check the power cable for damage; this includes exposed wires and obvious damage to the wire coating. Ensure that both ends of the cables have not been damaged.
• Check both ends of the cable to ensure that nothing, such as lint or dirt, is obstructing the contacts from physically touching each other.
• Check the port that the power cable connects to to ensure that it does not have lint or dirt obstructing the contacts.
• Remove the cover and check the battery and visible wires for obvious distortion and damage.

If the battery still is not charged or the charging light does not display, the issue may be with the battery or the motherboard. Follow this battery replacement guide.

If the power button appears operational, the battery is charged, and the device does not turn on, the problem may lie with the operating system. Note: This issue may be directly related to the Micro SD card; see entry below.

• The Micro SD card may have been physically damaged. Check the contacts for corrosion, pitting, or scratches. If you have another similar functional device, you may also remove its micro SD card and insert the one from the non-functional device and power it on. If the game does not power on, the micro SD card is likely damaged.
• Check to see if the operating system (OS) is fully up to date by using the connecting cord to attach it to your computer, and then visit the device's manufacturer page for new updates. Once you have updated or reloaded the OS, if the device does not power on, this may indicate a corrupted micro SD card.

If the above measures have been checked, and you have yet to determine the cause, then your issue may be a corrupted micro SD card.

• The micro SD card may not have been inserted properly. Remove the micro SD card and reinsert it in the same slot. As above, ensure the micro SD card has not been physically damaged. Check the contacts for corrosion, pitting, scratches, or cracks.
• Next, ensure the micro SD card has been inserted into the slot properly by ejecting it and reinserting it. Then attempt to power on.
• Check "your" memory banks. Was the device improperly shut down, or did the battery die while you were playing a game? This may also corrupt the micro SD card.
• Replace the micro SD card with a compatible card and visit the manufacturer's website to load the operating system onto the new micro SD card.
• Connect the micro SD card, using an adapter or a card reader, to a computer and run your antivirus software program to ensure the micro SD card is not infected.

An additional cause for the device to fail to power on may be your battery. Use the following bullet points to determine if there is a battery failure.

• The battery that came with the device may have been refurbished and has now hit the end of its lifespan.
• The battery may be physically damaged. Remove the cover and observe the battery on all sides. WARNING: If the battery is damaged, it may be a fire or explosive hazard. Carefully and properly dispose of it in a safe area it is unlikely to cause a fire.
• If the charging light is not displaying or is blinking, it may also indicate a problem with the battery.
• The battery may be overcharging or undercharging if you have been using the device until the battery dies or relying on the power cord to extend your use.
• Visually examine the charging port and cables for damage, as this may negatively affect the battery.

If all other software and hardware failures have been ruled out, the motherboard is the most likely culprit.

• Replace the motherboard.