Unplug the AC adapter from the wall outlet. Unplug the AC adapter from the laptop. Check the AC adapter and cables (including the power cable) for signs of physical damage or overheating. Check if the pin inside the plug or adapter port is bent, broken or damaged.
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Beside this, how do I fix my AC adapter?
Drain residual power
- Unplug the AC adapter from the wall outlet.
- Disconnect any external peripherals connected to the PC.
- Remove the battery.
- Press and hold the Power button for 30 seconds to drain a residual power from the PC.
- Connect the battery.
- Plug the AC adapter to the PC.
- Turn on the PC.
Likewise, why is my Dell AC adapter not working? Method 1: Reconnect your AC adapter and your battery 1) Power off your laptop. 2) Unplug the AC adapter and the battery from your laptop. 3) Press and hold the power button on your laptop for 20 seconds to release the residual power in you laptop. 4) Re-connect the battery and the AC adapter to your laptop.
Simply so, how do I fix my Dell AC adapter is not recognized?
Disconnect and reconnect the power cable and AC adapter
- Unplug the AC adapter from the wall outlet.
- Unplug the AC adapter from the PC.
- Disconnect the power cable from the AC adapter.
- Connect the power cable firmly to the AC adapter.
- Verify if the LED on AC adapter is on. If no, try a compatible known-good AC adapter.
How do I test an AC adapter?
Testing your power supply
- Plug your power supply into an AC outlet.
- Red probe goes into the tip.
- Turn on your multimeter and set it to read DC voltage.
- Take the red (positive) probe from your multimeter and stick it into the end of the power supply plug.
Related Question Answers
How do I fix the AC power adapter type Cannot be determined?
Method 1: Power cycle your PC
- Unplug your charger, power off your laptop, and remove your battery.
- Hold down the power button for at least 30 seconds.
- Put the battery back in, with the charger and reboot.
- Check if this fixed it.
How do I check the polarity of my AC adapter?
Reading the polarity of the connector
The most common is center positive (+) connectors. There is also the less popular center negative (-) connector. The adapter and the device must match so always double check the symbol on the AC adapter and the device show the same polarity.
