If you're able to power up the device, see if powering up and forcefully power down(by pressing the power button while laptop is powering up) the laptop until you do it three times. On the third/forth attempt you should be able to see a recovery mode window.
If you're able to power up the device, see if powering up and forcefully power down(by pressing the power button while laptop is powering up) the laptop until you do it three times. On the third/forth attempt you should be able to see a recovery mode window.