Why Won't My Laptop Turn On Even Though It's Plugged In?
Laptop not turning on? If your laptop won't power on, even when it's plugged in could have a faulty power supply, battery, motherboard, video card or RAM. When troubleshooting a laptop that won't start, begin with the basics. Ensure the plug to the power cord is plugged into an outlet and to the computer. Check the laptop's battery and power connector to make sure the connection hasn't come loose. If it's still not turning on, it could be a problem with an internal component.
Check the Power Cord
First and foremost, make sure your laptop is plugged in. Take a good, careful look at the power cord for any kinks or breaks that could be disrupting the flow of electricity. If the AC transformer box shows signs of discoloration, burning smells or warped parts, it probably needs to be replaced. If you find any faults in the power cord, replace it. You can find replacement power supplies online, at electronics retailers or by calling your computer's manufacturer. If you find any damage to the power supply, unplug it from the wall and laptop until you're able to replace it.
Are the Connections and Battery OK?
Once you've ruled out a faulty power supply, check the power connector on the laptop itself. Power connectors can become loose over time and stop working. If there is obvious damage to the power connector, or loose, wiggly parts, bring the laptop in for repairs. If possible, remove the battery from the laptop and try powering it on with just the power supply connected. If the laptop turns on without the battery, replace the battery so it will charge and power up correctly. Some manufacturers, like Apple, don't allow you to remove the battery yourself, in which case bring the laptop in for replacement of the internal battery.
Watch Out for Overheating
Most laptop processors have internal thermal protection that shuts down the computer. The laptop won't start again until the system cools down. If you're using the computer on a bed, pillow or other soft surface, make sure the computer's vents aren't blocked and that the hot air is being displaced correctly. A laptop that isn't venting correctly could have a faulty fan that needs to replaced. If your laptop is hot to the touch, let it cool down completely before trying to turn it back on. A laptop that turns back on once its cooled down most likely has a problem with overheating.
If you do not find any problems with the power supply, battery or overheating, a faulty internal component may be causing the issue -- a broken or damaged motherboard, for example, or damaged charging circuits, a faulty video card, RAM or software problems. If you've recently opened the computer and touched any components, static electricity may have caused damage. If you suspect that an internal component is causing the issue, take the computer in for repairs or speak to the manufacturer for warranty and replacement details.
Based in the Washington DC area, Brian Flax holds a Master of Science in education technology, and a Bachelor of Science in entertainment business from Full Sail University. His articles have been published on FindTheBest.com, where he was a daily writer in the smartphones and tablets section.
Laptop won’t start? Try this simple tip.
There’s nothing worse than being greeted with a black screen when trying to power up a laptop.
We have a tip that has helped many of our customers get their laptops working again without requiring a visit from a TechSolver.
How to fix a laptop that won’t start up
So you’ve opened up your laptop and it hasn’t woken up like it usually does.
You’ve tried pressing the power button but there are no signs of life at all.
You’re tried different power cables and still, it won’t start.
Even holding down the power button for minutes at a time has no effect.
Before calling a technology specialist, try this tip to drain residual electricity.
It’s easy to do, there’s no risk and it might just do the trick.
Who should try this?
Users who get no response from their laptop when pressing the power button.
Who won’t it help?
This won’t help you if your screen shows any kind of activity during the startup process.
There’s no harm in trying but we wouldn’t expect any change in behaviour.
What brand will this work on?
Dell, HP, Samsung, Toshiba, Acer, ASUS, Sony, Lenovo, IBM – well, all of them really.
About laptops and residual electricity
Laptops can fail to start if they detect residual electricity on the motherboard or its components.
This safety mechanism avoids too much electricity overloading components.
You might see this behaviour if your laptop powers off suddenly while you are using it.
How to fix this problem
The fix is very simple:
- Unplug the power cable from your laptop
- Locate and remove the battery
- Press and hold the power button for 30 seconds
- Re-insert the battery and plug in your laptop
- Attempt a restart and cross your fingers
With a bit of luck, your screen is now showing signs of life and the operating system is booting up.
Why does this work?
Removing the power cord and unplugging the battery removes all sources of electricity. Pressing the power button starts the laptop which will try to use whatever electricity it has to power up.
The laptop only has residual electricity available which is usually entirely consumed within seconds.
Holding the power button down allows plenty of time for the laptop to completely drain itself of electricity.
Did this fix your problem?
We’d love to hear from you! You can post a comment below, leave us a message on Facebook or contact us via our contact form.
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Why does my laptop not turn on?
Updated: 04/12/2021 by Computer Hope
If your laptop does not turn on, or does not boot when powered on, there are things you can try and resolve the issue.
Below are troubleshooting steps to help identify what may be preventing your laptop from turning on. We recommend going through each of them for the best results.
Connect the power cable
Although it may seem obvious, if your laptop is running on battery power only, connecting the AC adapter may solve the problem. Ensure the adapter cord is correctly plugged in on both ends securely. If the laptop works with the adapter plugged in, your battery is dead or defective.
Check AC adapter and power port for a bent pin
Some AC adapters have a pin in the end of the adapter that plugs into the laptop. Examine the adapter's connector that plugs into the laptop and check if there is a bent or broken pin. If there is, the laptop is not receiving any power from the AC adapter. To fix the problem, the AC adapter needs to be replaced.
Some laptops have a pin inside the power port that helps make a solid connection to the AC adapter. If the pin is bent or broken, the laptop is not receiving any power. To fix the problem, the power port on the laptop needs to be repaired or replaced. However, depending on the type of laptop, this solution may demand a full motherboard replacement.
Disconnect from the docking station
If your laptop uses a docking station, disconnect it and try connecting the power cord directly to the laptop. Then, try turning on the laptop.
Remove and reconnect the battery
Many new laptops (especially MacBooks) are utilizing an architecture that does not allow their batteries to be removed. If your laptop does not have a removable battery, skip to the next section.
The laptop can also be in a power state that prevents it from booting. Disconnect the power cable and then remove the battery from the laptop. Leave both disconnected from the laptop for at least a minute. Then, put the battery back in the laptop, connect the power cable, and try turning on the laptop.
Drain the computer of electricity
Sometimes, a residual electrical charge can keep your laptop from turning on. You can think of it as an "electricity clog." By performing the following steps, you effectively drain your laptop of any electricity and start over, which often results in it powering up.
- Disconnect the AC adapter and remove the battery (if possible).
- Hold down the power button for thirty seconds to drain any residual power from the laptop.
- Without replacing the battery, plug the AC adapter back into the laptop.
If your laptop's battery is not removable, still plug in the AC adapter.
- Press the power button to turn on your laptop and verify that it boots correctly.
- If the laptop powers on, shut down the laptop normally.
- If you were able to remove the laptop battery, put the battery back in the laptop.
- Power on the laptop again, and verify that it boots correctly.
If this process does not work for you, repeat and hold the power button for one minute or longer at step two.
After going through the suggested troubleshooting steps above, if your laptop still does not turn on, the problem is likely a hardware failure. The most likely component to be at fault is the motherboard or processor. Unfortunately, more in-depth troubleshooting is required to determine the cause for the laptop not working. If faulty hardware is the culprit, repair or replacement is necessary.
We suggest contacting the manufacturer of the laptop for recommendations on how to get it repaired. You can also take your laptop to a computer repair shop, as they can diagnose the issue and replace the faulty hardware.
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