Why Does My Tablet Flash On and Off? Common Causes and Fixes Explained

If you’ve ever experienced the frustration of your tablet flashing on and off, you’re not alone. This perplexing issue can disrupt your work, entertainment, or any task you’re engaged in. But fear not, as this article aims to shed light on the common causes behind this annoying problem, and provide you with effective fixes to get your tablet back to its normal functioning state. From power issues to software glitches, we will explore the troubleshooting steps to help you understand why your tablet may be flashing on and off, and how to resolve it.

Hardware Issues: Troubleshooting The Tablet’s Power Button

The power button on a tablet is essential for turning the device on and off. However, if it starts flashing on and off, it can be frustrating and disruptive to use the tablet. This subheading will address the common hardware issues that can cause this problem and provide troubleshooting solutions.

One potential cause of a flashing power button is a loose or damaged connection. Check if the button feels loose or if it wiggles when pressed. If so, the power button may need to be replaced or repaired.

Another possible hardware issue could be a faulty or dying battery. If the power button flashes only when the tablet is not connected to a power source, it may be a sign of a weak battery. In this case, try charging the tablet fully and see if the issue persists.

Additionally, a software glitch could also trigger the power button to flash. Restarting the tablet or performing a factory reset can help resolve these software-related issues.

By examining and troubleshooting the tablet’s power button hardware, users can identify and fix the underlying problem, ultimately resolving the flashing on and off issue.

Battery Problems: How To Identify And Resolve Battery Drainage

Battery problems can be a common cause for tablets flashing on and off. When the battery is draining quickly, it can lead to an unstable power supply, causing the device to flash intermittently. To identify and resolve battery drainage issues, there are several steps you can take.

First, check for any power-draining apps or processes running in the background. Close any unnecessary apps and ensure that no power-intensive tasks are running. Additionally, adjust the screen brightness and timeout settings to conserve battery life.

Next, examine the battery usage statistics in the tablet’s settings. Look for any apps or features that are consuming an unusually high percentage of the battery. If you notice any, consider uninstalling or disabling them.

It is also important to ensure that the tablet’s battery is not physically damaged or worn out. If the battery is removable, try removing it and reinserting it firmly. If the battery is not removable, consider contacting the manufacturer for further assistance or visiting a certified technician.

Finally, consider recalibrating the battery. This process involves fully draining the battery until the tablet shuts off, then charging it to 100% without interruption. Repeat this process a few times to help recalibrate the battery’s performance.

By following these steps, you should be able to identify and resolve battery drainage issues, which will help prevent your tablet from flashing on and off.

Unstable Firmware: Updating And Resetting The Tablet’s Software

Unstable firmware can often be the culprit behind a tablet flashing on and off. Firmware is the software that runs on a device and controls its operation. If the firmware becomes corrupted or outdated, it can lead to various issues, including an unstable operating system that causes the tablet to flash.

To fix this problem, the first step is to check for any available firmware updates. Manufacturers regularly release firmware updates to improve device performance and fix bugs. Go to the settings menu on your tablet, look for the “Software Update” or “System Update” option, and follow the prompts to download and install the latest firmware.

If updating the software doesn’t resolve the issue, a factory reset may be necessary. This will erase all the data on your tablet, so make sure to back up any important files before proceeding. To perform a factory reset, go to the settings menu, find the “Backup & Reset” option, and select “Factory Data Reset.” Follow the on-screen instructions to complete the reset.

By updating the firmware and performing a factory reset if needed, you can eliminate any software-related issues that may be causing your tablet to flash on and off.

Overheating: Preventing And Resolving Tablet Overheating Issues

Tablet overheating can be frustrating as it interrupts your work and potentially damages the device. There are various reasons why tablets overheat, such as prolonged usage, heavy processing tasks, or environmental factors. Here are some ways to prevent and resolve tablet overheating issues:

1. Avoid direct sunlight: Exposing your tablet to direct sunlight can cause it to overheat quickly. Whenever possible, use your tablet in a shaded area or indoors.

2. Limit resource-intensive tasks: Running multiple apps simultaneously or performing tasks that require high processing power can lead to overheating. Close unnecessary apps and avoid running heavy games or applications for extended periods.

3. Remove protective cases: Thick protective cases may hinder heat dissipation, making your tablet more prone to overheating. Consider removing the case when your tablet is in use to allow for better airflow.

4. Keep ventilation areas clear: Tablets usually have ventilation areas or heat dissipation points. Ensure these areas are not blocked by objects like pillows or clothing, as this can prevent proper airflow and lead to overheating.

If your tablet continues to flash on and off due to overheating, it may be helpful to consult a professional or contact the manufacturer for further assistance.

Faulty Charging Port: Fixing Connectivity Problems For Continuous Power

The charging port on your tablet may be the culprit behind the flashing on and off issue. A faulty charging port can result in intermittent power supply, causing your tablet to flicker or flash. Here’s what you can do to fix the connectivity problems with your charging port:

1. Check the cable and charger: Start by inspecting the charging cable and charger. Look for any visible damage or frayed wires. If you find any issues, replace the cable or charger with a new, compatible one.

2. Clean the charging port: Sometimes, dust, debris, or lint can accumulate in the charging port, obstructing the connection. Use a soft brush or toothpick to carefully clean the port, removing any dirt or debris that may be causing a poor connection.

3. Ensure a secure connection: Make sure the charging cable is securely plugged into the charging port. Sometimes, a loose connection can cause intermittent power supply. Ensure a snug fit between the cable and the port.

4. Restart and perform a system update: Restart your tablet and check for any available system updates. Sometimes a simple restart or updating the software can resolve charging port issues.

If these steps don’t fix the problem, it’s possible that the charging port itself is damaged or faulty. In such cases, it’s recommended to consult a professional technician or contact the manufacturer for further assistance.

Screen Issues: Diagnosing And Resolving Display Problems

When your tablet starts flashing on and off, it can be frustrating and disrupt your productivity. One common cause of this issue is screen problems. Here are some common screen issues that could be behind your tablet’s flashing screen and how to resolve them.

1. Loose connections: Ensure that the display cable is securely connected to your tablet’s motherboard. If it’s loose, reattach it carefully.

2. Screen damage: Inspect the screen for any physical damage, such as cracks or scratches. If you find any, you may need to replace the screen.

3. Incompatible apps: Certain apps may not be compatible with your tablet’s screen resolution or software version, causing it to flash. Uninstall recently installed apps to see if the issue resolves.

4. Display driver problems: Outdated or corrupt display drivers can lead to screen flickering. Update the display drivers through the manufacturer’s website or use a reliable driver update tool.

5. Overheating: Overheating can affect the screen’s performance, causing it to flicker. Ensure your tablet has proper ventilation and isn’t overheating.

6. Factory reset: If all else fails, consider performing a factory reset on your tablet. This will reset all settings and eliminate any software-related issues that may be causing the screen to flash.

By diagnosing and resolving screen issues, you can fix the flashing problem and enjoy a stable tablet experience once again.

Other Software Glitches: Common Causes And Fixes For Tablet’s Flashing Screen

If your tablet is flashing on and off, there may be other software glitches causing this issue. Here are some common causes and fixes to resolve the problem:

1. App conflicts: Conflicting apps can cause your tablet’s screen to flash. Uninstall any recently downloaded apps and observe if the issue persists. If it does, try restarting your tablet in safe mode to identify the problematic app.

2. System updates: Sometimes, new system updates can introduce compatibility issues, resulting in a flashing screen. Check for any pending updates and install them. If the problem persists, try rolling back to a previous version of the software.

3. Corrupted cache: Accumulated cache files can cause various software issues, including screen flashing. Clear the cache for both individual apps and your system to eliminate potential conflicts.

4. Software bugs: Occasionally, bugs within the operating system can cause screen flashing. Check the manufacturer’s support website for any known issues or system updates addressing these bugs.

5. Factory reset: If all else fails, performing a factory reset can help resolve persistent software glitches. Remember to back up your data before proceeding, as this will erase all personal information and settings.

By following these steps, you can troubleshoot and fix most software-related glitches causing your tablet’s screen to flash on and off.


1) Why does my tablet keep flashing on and off?

The constant flashing on and off of your tablet may be due to a drained battery. Make sure to charge your tablet fully and check if the flashing issue persists. If it does, there might be other factors causing the problem.

2) What can cause a tablet to flicker and flash intermittently?

A flickering and flashing screen on a tablet can result from a software glitch or incompatibility. Try restarting your tablet or updating its software to see if that resolves the issue. If not, there might be hardware-related causes to consider.

3) How can I fix a tablet that flashes on and off when connected to a specific charger?

If your tablet only flashes on and off when connected to a particular charger, there might be a compatibility issue. Check if the charger is the appropriate one for your tablet model and try using a different charger to see if the problem persists. It is also advisable to ensure that the charger is in good condition and not damaged.

4) What steps should I take if my tablet screen flashes during certain activities?

If your tablet screen only flashes during specific activities such as gaming or streaming, it could indicate a performance or overheating issue. Try closing unnecessary apps, clearing cache, or restarting the tablet to free up memory and alleviate any processing strain. If the problem continues, it might be worth contacting the manufacturer or seeking professional assistance.


In conclusion, there are several common causes for a tablet to flash on and off, such as a low battery, a faulty power button, or software glitches. By checking the battery charge, trying a hard reset, or updating the device’s software, users can often address these issues and prevent their tablet from flashing on and off. However, if the problem persists, it is recommended to seek professional assistance or contact the manufacturer for further support.

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