Test the power adapter Use one or more methods to check the operation of the AC power adapter. Check the power icons Use the system tray icons to confirm the AC adapter does not work. Connect the output cord from the AC adapter to the notebook, and then plug in the power cord to a working electrical outlet.
Full Answer
How do I know if my computer needs an HP repair?
Damaged components, like the AC adapter or the pin in the power connector, might require an HP-certified repair. Check that AC power is connected to the system board properly by examining the AC adapter connector on the back of the computer. Sometimes the power adapter plug is misaligned due to the pressure of other cables.
Why is my HP Smart Adapter not working?
If the HP Smart Adapter message displays when you are using the power adapter provided with the notebook, then update to the latest BIOS version for your notebook. Power output too low message. This message indicates the power adapter does not provide enough power for the notebook computer to be used.
What should I do if my AC adapter does not work?
Use the system tray icons to confirm the AC adapter does not work. Connect the output cord from the AC adapter to the notebook, and then plug in the power cord to a working electrical outlet. Check the power icon in the system tray.
How do I connect an hp power adapter to a notebook?
Connect the HP AC power adapter to an HP notebook to charge the battery and power the notebook. Confirm that the power adapter and the notebook are both genuine HP parts. Do not use an HP power adapter on non-HP equipment and do not use a non-HP power adapter on HP equipment.
Can AC adapters be repaired?
Power adapters can cost hundreds of dollars to replace, but they can often be repaired for free if you already have the necessary materials. The same thing can happen to the plug on any kind of power adapter, but it happens most frequently with notebook computer power supplies, especially ones with coaxial cords.
Why does my AC adapter not work?
Unplug the AC adapter from the computer. Check the AC adapter and cables (including the power cable) for any signs of physical damage or overheating. Check if the pin inside the plug or adapter port is bent, broken, or damaged.
How do I fix my DC power adapter?
0:514:31How to Open and Fix Laptop AC Adapter without Damaging. DC ...YouTubeStart of suggested clipEnd of suggested clipUsually cable breaks close to the power adapter or DC connector. So if you notice charge indicationMoreUsually cable breaks close to the power adapter or DC connector. So if you notice charge indication at some angle then simply replace this cable. New high quality cables.
Why is my HP Smart adapter not working?
Check the power port on the computer to make sure that the light is on. If the light is not on, the power adapter might not be working correctly or the notebook system board might be damaged. Contact HP Customer Support for further assistance.
How can I tell if my AC adapter is bad?
1:423:10How To Fix Test your Charger / Power Cord / Adapter Cable - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo we know this charge is good if your charge is bad it will most likely read zero it won't beMoreSo we know this charge is good if your charge is bad it will most likely read zero it won't be putting out anything or it will be well off of the 19 volts. But that's how you test your charger.
How long does a AC adapter last?
Usually, an AC adapter lasts years regardless. Unplugging it when not in use will probably prolong its life expectancy beyond its usefulness. That's not a bad thing. So if you can unplug it, or let a power strip cut the power for you, when you're not using the device, the AC adapter will last longer.
How do you fix a broken charger adapter?
How to Fix a Broken ChargerMake sure the outlet is turned on. Some European-style outlets have individual switches. ... Make sure the cables are connected correctly. ... Look for lights. ... Reboot the charging device. ... Try a different outlet. ... Check for damage to the charger. ... Check the components. ... Check the fuses.More items...•
How do you fix a cut AC adapter?
1:083:34How to repair a AC adapter power supply plug for AsusLaptopYouTubeStart of suggested clipEnd of suggested clipTo the top of a connector where it was disconnected I stripped the wires. So the brown wire goesMoreTo the top of a connector where it was disconnected I stripped the wires. So the brown wire goes right on top just tech it back on.
How do I test an AC adapter?
What you would do is set the voltmeter to 20V and then use the volt meter leads to touch the metal parts of AC adapter connector. Written on the the AC adapter is its voltage output, and the reading you get from the voltmeter should be very close to that value.
What is a Smart AC adapter?
About this product Featuring a right-angled connector, this HP 90-watt smart AC adapter reduces cable stress for enhanced durability. HP Smart AC adapter provides optimal power and helps offset power fluctuations to your HP notebook. Suitable for use with HP business notebooks and tablet PCs.
How do I remove HP Smart Adapter?
Try this:Open Task Manager (Ctrl + Shift + Esc)Navigate to the Startup tab.Find and expand HP Message Service.Right-click HP SmartAdapter and select Open file location.Delete the application that is highlighted.
How do I know if my HP is charging?
HP Notebook PCs - Battery Indicator Light Turns On and Off While Battery is Charging. If the battery charge LED indicator light turns on and off while AC power is connected and the battery is still charging, the battery is simply in a low-charge state.
How can I fix my charger adapter?
0:331:44Fix Any Phone Charger/Adapter Quick & Easy - YouTubeYouTubeStart of suggested clipEnd of suggested clipUm here's a quick tip to stop it all you gonna do just pinch really hard on them. All right now putMoreUm here's a quick tip to stop it all you gonna do just pinch really hard on them. All right now put a lot of pressure. Do a little bit at a time.
What happens when laptop AC Adaptor fail?
If the adapter and its cords are working improperly, the computer won't receive power and its battery won't recharge. The good news is that you can purchase a replacement adapter from most manufacturers or from third-party sources.
What is an AC power adapter?
AC power adapters are designed for specific notebook models. Locate your product number, and then use it to order an AC power adapter from the HP Parts Store.
What happens when a notebook is connected to a power adapter?
When the notebook is connected to the power adapter, the display does not turn on. When the notebook is connected to the power adapter, the battery does not charge. CAUTION:
What does it mean when the battery light blinks?
The battery light might blink rapidly eight (8) times and the battery icon in the system tray indicates the computer is operating on battery power.
How to increase brightness on laptop when disconnected from AC?
When disconnected from external AC power, the computer uses power from the battery and the display brightness automatically dims to save battery life. To increase the display brightness, in Windows, search for and open Change brightness level, and then use the slider bar to adjust the brightness level.
What happens if my AC adapter does not recharge?
Correct use and storage of your AC power adapter ensures best performance when recharging or powering the notebook. If the AC power adapter does not recharge the battery or power the notebook, troubleshoot the adapter, and if necessary purchase a replacement.
Why is my docking station warm?
When a high number of applications are running or when the battery is recharging, the power adapter might be warm to the touch when it reaches its power limit. Docking stations might have limitations when using different power adapters. Use the appropriate compatible docking station for your notebook computer.
Can you wrap a power cord around a power adapter?
Never wrap the power cord around the power adapter or any other object as this could cause the internal wires to break. Broken wires can short circuit both the power adapter and your notebook's internal power supply. Broken wires can shock anyone who touches the cord, and might also present a fire hazard.
Why is my power adapter misaligned?
Sometimes the power adapter plug is misaligned due to the pressure of other cables. To verify that the wall outlet is working, plug the AC adapter directly to a wall outlet. Do not plug into a power strip, surge protector, or a secondary power source.
How to fix a computer that won't start?
Many startup errors and other problems can be resolved by decreasing the amount of power stored in hardware components. Decreasing stored power is sometimes referred to as a hard reset. Use the following steps to perform a hard reset on your computer: 1 Disconnect the AC adapter, power cord, and all connected devices from the computer. This includes removing thumb drives and camera-type memory cards from card reader slots. 2 If the computer is on, press and hold the power button on the computer until the computer shuts off. 3 With the power off and the AC adapter and power cord disconnected, press the power button on the computer for 15 seconds. The power light indicator on or near the power button might turn on briefly but then go out. 4 Reconnect the power cord and turn on the power.
What to do if your wall outlet is not working?
If any of the wall outlets are not providing power, test the lamp or other device on a different wall outlet. If you have access to a different AC adapter or power pack that is designed for the computer, connect it to the computer and try to start the computer.
What is an AC power adapter?
AC power adapters are designed for specific notebook models. Locate your product number, and then use it to order an AC power adapter from the HP Parts Store.
How to choose a power adapter?
To choose a power adapter, type the quantity, and then select the check box in the last column. Click Proceed to checkout to finish ordering the part, or click Add to Cart, to add the part and continue shopping for other parts.