Q: Startup problems with macbook pro
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Mar 28, 2016 1:32 PMby KimUserName,Hi TM29:
To find information about computer which won’t boot: Check Your Service and Support Coverage - Apple Support
Post the information it may help with diagnosis.
Startup Screens : About the screens you see when your Mac starts up
It sounds like your problem may be the SATA cable or your hard drive.
MacBook Pro 13" Mid 2012 Hard Drive Cable Symptoms: Symptoms
MacBook Pro hard drive SATA cable issue. MacBook Pro Hard Drive Cable Failure-Free fix and preventative maintenance
To test whether the problem is your hard drive or SATA cable:
You can remove your hard drive from Mac and install in an external enclosure OWC external case or using a USB to SATA adapter USB to SATA adapter and connect it to your MBP via USB. And then try to boot from it using Startup Manager. This will help to identify if your hard drive or SATA cable are at fault. If it boots the MBP, most likely the problem will be the drive SATA cable needs to be replaced.
Boot from the disk using Startup Manager: How to choose a startup disk on your Mac
Kim
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Mar 28, 2016 1:50 PMby OGELTHORPE,On the back of the MBP is the serial number. Enter it here and post back the MODEL/YEAR information.
https://checkcoverage.apple.com/
Do you have a backup?
Ciao.
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Mar 28, 2016 2:48 PMby Linc Davis,The startup drive is failing, or there is some other internal hardware fault.
Back up all data on the drive immediately if you don't already have a current backup. There are ways to back up a computer that isn't fully functional—ask if you need guidance.
Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.
If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
Keeping your confidential data secure during hardware repair
Apple also recommends that you deauthorize a device in the iTunes Store before having it serviced.
*An SSD doesn't need to be zeroed.
