Laptop computer doesn't turn on

Updated: 06/07/2019 by Computer Hope
Note

For a desktop computer, see our computer does not turn on page.

Troubleshooting a laptop that does not turn on or boot can be a lot harder than a desktop due to the inability to remove hardware. Below are troubleshooting steps to help identify what may be keeping your laptop from turning on. We recommend going through each of them for best results.

Note

While troubleshooting this issue, disconnect all peripherals, such as a mouse or a USB thumb drive.

Connect the power cable

AC adapter

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.

Disconnect from docking station

If your laptop utilizes a docking station, disconnect it and try connecting the power cord directly into the laptop. Then, try turning on the laptop.

Remove and reconnect the battery

Note

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 preventing it from booting properly. Try disconnecting the power cable and then removing the battery from the laptop. Leave both disconnected from the laptop for at least a minute. Then, put the battery back into 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 can result in it powering up.

  1. Disconnect the AC adapter and remove the battery.
  2. Hold down the power button for thirty seconds to drain any residual power in the laptop.
  3. Without replacing the battery, plug the AC adapter back into the laptop.
  4. Press the power button to turn on your laptop.
Note

If this process does not work for you, repeat and hold the power button for one minute or longer at step two.

Bad hardware

If you have gone through all of the sections above and your laptop still does not turn on, it is likely a hardware component inside the laptop has failed. 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 may be able to diagnose the issue and replace the faulty hardware.

Additional information