Is there a way to start computer without power button?
- Unplug the charging cable.
- Open the laptop case and locate the power button.
- Remove the power button.
- Find the 3 to 6 pins under the button.
- Use any conductor (like a screwdriver) to short circuit pins 1 and 3, or Connect the pins with a wire.
- Wait for your laptop to turn on.
- Modify Power settings inside your BIOS. Power On your computer and press "DEL" or "F1" or "F2" or "F10" to enter BIOS (CMOS) setup utility. ...
- Modify Windows to startup normally after power corruption,
Connect an External Keyboard
If you have access to an external keyboard that has the power button built into it, you can try and turn your laptop on or off by this method. To do this: Remove any connected peripherals from the device. Connect the keyboard to your laptop.
- Press and hold the power button on the front of the computer for approximately 5 seconds. The computer will shut off. No lights should be near the power button. If lights are still on, you can unplug the power cord to the computer tower.
- Wait 30 seconds.
- Push the power button to turn the computer on again.
...
Manually Turn On the Computer Without Power Button
- Find the power switch pins on the motherboard.
- Touch these pins together using a conducting tool when connecting the PC to the power.
- The motherboard can receive a signal to power on this PC and it can boot up.
Reboot your phone
Rebooting would help if the reason why the power button is not responding is because of any software or application glitch. When you reboot the device, it would help restart all the apps. For Android phones, rebooting can be done by pressing the home key plus volume key and power key simultaneously.
Many laptops can actually be turned on by pressing a key on the keyboard. This won't be toggled on by default, but if your laptop supports it, you'll be able to toggle it on the BIOS. Turn your computer off, and then boot it back up and enter the BIOS.
Start by pressing the Ctrl + Alt + Delete on your keyboard to open the options screen. Then, click the Power icon in the bottom right corner, and select Restart from the list. Your PC will restart immediately.
Replace battery
To check, open the laptop case and remove the battery, clean the contacts and try replugging it and try booting. If the laptop turns on then there could have been a connector issue and that's why the laptop was not booting. Otherwise, consider replacing the battery of your laptop.
To turn on a laptop without the power button you can use an external keyboard for Windows or enable wake-on-LAN for Windows. For Mac, you can enter clamshell mode and use an external keyboard to wake it up.
How do I start my computer with a screwdriver?
Lightly touch a metal screwdriver to the two power switch header pins, and the system will turn on if everything is connected correctly. This process accomplishes the same thing as hitting the power button on your case when properly connected, or using an onboard power button on your motherboard.
Gravity Screen takes all the manual work out of turning your phone's screen on or off without the power button. It not only makes the power key obsolete but doesn't require any interaction from your end either. Gravity Screen is a clever app that can detect your phone's motions.

Volume Button
Make sure your phone battery has enough charge for the phone to actually run. Hold down the volume down key and connect your phone via USB cable to your PC. Keep the volume button held down until you see a boot menu. Select the 'Start' option using your volume keys, and your phone will power on.
Take a flat head screw driver and touch it to the two pins the power switch was plugged into for 1-2 seconds. If the unit comes on then the power button is faulty, otherwise you may want to try the paper clip test on your power supply.
Go into Device Manager, open Keyboard and Mouse, under Power Options tab tick the box to Allow this device to wake up the PC.
On a personal computer with the Microsoft Windows operating system, Control+Alt+Delete is the combination of the Ctrl key, the Alt key and Del key that a user can press at the same time to terminate an application task or to reboot the operating system.
Go to Start , select the Power button, and then select Restart.
- Step 1 Grab Phone. Get the phone. ...
- Step 2 Phone on. Make sure the phone is on. ...
- Step 3 Unlock Phone. Unlock your phone. ...
- Step 4 Hold buttons. Hold down both the volume down button and power button. ...
- Step 5 Restart. After sometime the phone will restart. ...
- Step 6 Wait. ...
- Step 7 Reboot screen. ...
- Step 8 Select Reboot.
It doesn't cause any issues; it simply shuts down your computer. If you were taught to never turn your PC off by pressing the power button, that's because older computers couldn't handle the sudden shutdown. Hitting the button would shut off all the power flowing to the computer's hardware.