Article Number: 000125125
Duration: 02:34
Closed captions: English only
The AC adapter, commonly called a laptop charger, is used to provide sufficient power to operate the laptop for extended periods and to recharge the laptop's battery. When the AC adapter fails to work, the laptop battery cannot charge, and the laptop cannot power on or operate unless the battery is sufficiently charged.
If you notice the following AC adapter symptoms:
If you notice the following battery symptoms:
The AC adapter cable and power cables may get frayed or cut, and wires may become exposed at either end of the cables. This may be due to the way the cable is wrapped around the AC adapter, or if the cable is subject to undue stress. If the damage is severe enough to expose wires, you should discontinue using the AC adapter. To check the AC adapter, cables, and adapter port on the laptop for any damages:
For more information, refer to the Dell knowledge-base article AC Adapter Damage.
If you find damage, contact Dell Technical Support for replacement options. If you do not find damage, proceed to the next step.
If the wall outlet is working correctly, proceed to the next step.
Once the residual power has been drained, if the PC does not power on with the AC adapter, proceed to the next step.
USB-C is a popular cross-platform standard for charging, connecting peripherals and transferring data. Select ultra-thin Dell PCs use USB-C power port to charge the PCs. It is essential to ensure that the USB-C charger is connected to the correct USB-C port that allows charging and data transfer, especially when the PC comes with more than one USB-C port.
Once you have disconnected and reconnected the power cable and AC adapter cable, proceed to the next step.
Reset the AC adapter by following these steps:
If the AC adapter LED indicator is on, proceed to the next step.
If the AC adapter LED indicator is off or turns off when connected to the PC, contact Dell Technical Support.
Using an AC adapter that has a lower wattage may cause the following issues:
Dell laptops may use either a 45W, 65W, 90W, 130W, 180W, or 240W AC adapter. For optimal performance, use the original AC adapter that came with the Dell laptop. The ac adapter's wattage information is printed on the label on the bottom of the ac adapter.
To verify if the PC is recognizing the AC adapter correctly:
Running a hardware diagnostic test can help you identify what the issue may be and provide you troubleshooting steps to help resolve the issue. Dell offers both built-in and online diagnostics. The Dell ePSA hardware diagnostic test checks if the AC adapter is recognized by the system board correctly.
To run the Dell ePSA built-in hardware diagnostics:
For more information about running a hardware diagnostic on a Dell PC, refer to the Dell knowledge-base article Resolve Hardware Issues With Built-in and Online Diagnostics (ePSA or PSA Error Codes).
The BIOS is firmware that is embedded onto the System Board of your computer. Updating the BIOS to the latest version may help the PC recognize the AC adapter. Updating the BIOS to the latest version requires the laptop PC to be powered by the AC adapter and battery.
To update the BIOS to the latest version, refer to the Dell knowledge-base article How do I download and install the latest BIOS for my Dell computer?
If the AC Adapter Type is not recognized by the PC, refer to the Dell knowledge-base article Forcing a BIOS Update without the AC adapter attached on a Dell Laptop. Before forcing the BIOS update, read the disclaimer below.
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21 Feb 2021
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