This video provides instructions on how to clean air vents. It suggests turning off the computer, disconnectin
g external devices, using compressed air to blow out dust from the vents, and then reconnecting devices and restarting the computer.
...
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.
...
The article explains how to tell if your laptop battery needs to be replaced. Symptoms include a shorter batte
ry 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.
...