741      iPhone_iPad_Mac_apple

Macbook Air 2013 13" shutdown problem

Good Morning, all.

I use a Macbook Air 2013 13" and am having difficulties with the computer shutting down while in use.

This began yesterday evening at around 5PM. I was browsing youtube at the time, and had my Mac unplugged as to allow the battery to drain naturally before a near full recharge for class today.

Randomly, and without any prior indication, it just shut down. When I turned on the computer, I received no error message, it just went into standard boot procedure. About an hour later, it did the same thing again. No error message, nothing. So, It'ls likely not related to a kernel panic.

I tried an SMC reset, an NVRAM reset, and ran Diagnostics to no avail. I even reinstalled the OS and the problem persists. The Macbook, it should be noted, will not shut down by itself if plugged in.

I've checked the battery through the system itself, which is only at 425 cycles, and checked again with coconutBattery. Battery comes up normal through both checks.

Ran an antivirus, and it detected nothing.

The only thing abnormal came up when I ran the Macbook in Recovery mode. Upon verifying the disc, I received a chksum error. Attempting to use repair resulted in the dialogue repeating, telling me to repair it again.

I'm concerned as to what I should do. I could take it into the Apple store, but I was just there about a month ago to have the system checked after I purchased it from a third party seller. Their diagnostics came up completely green.

If anyone has any advice, I'd much appreciate it.

Hi,

Given the result in Disk Utility, I'm wondering about the health of the hard drive. Run First Aid/Repair Disk a few more times. Run Apple Hardware Diagnostics and see if it catches anything: https://support.apple.com/en-us/HT202731

最后更新：2017-09-05 20:29:42

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