MacBook won’t turn on

tenzin185 Said:

"MacBook won’t turn on: I recently update my MacBook software and now I am not able to turn it on, the screen Color is between blue to black. Could someone help? "

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Troubleshooting MacBook Pro Power:

As for replacing that battery, that may not be necessary. Try troubleshooting it.

A. Black Mac Screen:

Go Here: If your Mac doesn't Turn On or Start Up - Apple Support

Applies to Intel-Based Macs: Try Resetting the SMC and NVRAM, but this time, using an external keyboard. Connect an external monitor and see if you get an output.

B. Mac Power Issues:

Try a New Charger:

If it is currently charging from a charger, then use a new charger:

• Power & Cables - Mac Accessories - Apple - Select "Mac Compatibility" on the left
• Find the right power adapter and cable for your Mac notebook - Apple Support

C. A Few Links to Refer to Power:

• If your Mac doesn't Turn On - Apple Support

• How to Turn your Mac On or Off - Apple Support

• About Mac Notebook Batteries - Apple Support

• Charge the MacBook Pro Battery - Apple Support

• If your Mac Battery won't Charge - Apple Support

Hi,

If your MacBook Pro has Intel processor, resetting SMC could solve your issue.

Reset the SMC of your Mac - Apple Support

If it doesn't help, you'd better take your MacBook Pro to your local retail AppleStore, Genius Bar or Apple Authorized Service Provider to be examined your MacBook Pro there.

Genius Bar Reservation and Apple Support Options - Apple

Find Locations - Apple

There are various reasons that make the mac system unbootable and you find your mac won’t turn on. However, the issue can be resolved using below DIY methods:

1. Ensure your mac has a power

2. Check the hardware

3. Perform a power cycle

4. Reset the SMC

5. Reset PRAM/NVRAM

6. Boot in Safe Mode

7. Restore from Recovery Mode

8. Reinstall macOS

Hope this will help!