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Battery, Power, and Fan

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Buy Dell Battery
Buy Dell Battery

Looking for a battery replacement? Find compatible parts and upgrades for your device.

Battery Hardware Test
Battery Hardware Test

Dell recommends running diagnostics on your battery to ensure it is working correctly.

AC Power Adapter Hardware Test
AC Power Adapter Hardware Test

Dell recommends running diagnostics on your AC power adapter to ensure it is working correctly.

How to Troubleshoot Computer Power Issues
Get help if your Dell computer does not turn on or shows no sign of power when you press the power button.
Fan and Thermals
Having problems with the fans in your Dell laptop, desktop, or all-in-one? Follow the suggested quick steps to resolve fan-related issues on a Dell computer. Find links to additional resources for troubleshooting fan-related problems.
Battery
Having problems with the battery of your Dell laptop? Follow the suggested quick steps to resolve battery issues on a Dell laptop. Find links to additional resources for troubleshooting battery problems.
AC Adapter
Having problems with the ac adapter of your Dell laptop? Follow the suggested quick steps to resolve ac adapter issues of a Dell laptop. Find links to additional resources for troubleshooting ac adapter problems.

Video Resources

How to Clean Air Vents

This video provides instructions on how to clean air vents. It suggests turning off the computer, disconnecting external devices, using compressed air to blow out dust from the vents, and then reconnecting devices and restarting the computer.
How to check if system will power on AC adapter alone

To check if the system can power on with just the AC adapter, remove the battery and disconnect it carefully. Connect the AC adapter and power on the system. If it works, inform the technical expert. To reconnect the battery, plug the cable onto the motherboard and secure the bottom panel with screws before attempting to power on the computer again.
Check Your Laptop Battery Health

The article explains how to tell if your laptop battery needs to be replaced. Symptoms include a shorter battery life, sudden shutdowns, and abrupt drops in charge level. To check battery health, enter the BIOS or use diagnostic tools. If the battery is swollen, stop using the laptop and allow it to drain fully before attempting to remove the battery. For more information, visit Dell Support If you believe your battery needs to be replaced, contact technical support.

Other Resources

How to Troubleshoot Slow Performance Issues
How to Troubleshoot Slow Performance Issues
Learn how to troubleshoot and resolve slow performance issues with your Dell computer.
How to Improve the Performance of a Dell Laptop Battery
How to Improve the Performance of a Dell Laptop Battery
Learn how to improve the performance of a Dell laptop battery. Find information about changes you can make on a laptop to enhance the battery life.
power supply
Troubleshoot AC Adapter Issues
Learn how to troubleshoot and resolve AC adapter issues on a Dell laptop. Find information about how to use and troubleshoot AC adapter-related problems.
Support Videos
Support Videos
Go to our Dell Video Library for more videos.