MacBook Pro Shuts off (or at least screen blank) after about 30 seconds

Hi,
I have a MacBook Pro. (don't know what model, OS is 10.9.5). Starting today, it will not stay on. The power light (white light at slit on front right) is not on any longer. The battery has a full charge (100%). I can turn the laptop on with the power button, it stays on for about 30-60 seconds. I can log on, work on applications, but within 30-60 seconds the screen is blank again. The tiny white line light (next to longer slit) goes on while restarting.I can shut down and restart all day long, but it won't stay on.
Again, the bigger slit in the front is ALWAYS dark now (I believe it should always be white if laptop is on and awake, etc.
I would be grateful for any ideas how to address. Thank you.

Migg7 wrote:
Would my time machine data be preserved with this?
Well this is the big gamble. You really don't know for sure.
TimeMachine has gotten corrupted from a failing original drive and then unable to restore properly to a new drive.
It's not like you can access the files on a TM drive directly and cherry pick what you need and leave the rest. It's all or nothing.
If you go erasing your only other copy on the boot drive, which the files still could be accessed from another boot drive, and if you find out the TimeMachine drive can't restore, then your up the creek without a paddle right?
So if your able, create a data recovery drive and try to rescue your second copy of the files on the boot drive or restore the TM drive to the second boot drive , so this way your files can be accessed directly if you need it and you have two copies again.
Once you can direclty access your files then you can go about erasing and installing on the internal boot drive.

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keb0814 wrote:
Okay any idea how much this will cost to fix?
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MacBook Pro Shuts off (or at least screen blank) after about 30 seconds

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