I am using a relatively new Samsung 850 Pro (512GB - 5 months old). Until recently I have had no problems. The past week it has been randomly coming out of sleep, and Windows 7 seems to be refusing to update. When I hit shutdown and update, it just shuts down. Same for restart. I don't know if these are related to my current problem; thought they might be.
Today I started my computer, left for a bit, and came back to a "Reboot and select proper boot device" screen. So for some reason the computer restarted itself and lost track of the SSD. When I booted to the BIOS it did not see my hard drive at all. I tried booting from my install CD, and it saw the drive. Went back to BIOS, drive still invisible. After restarted a few more times, it showed up in the BIOS again and I was able to boot to Windows. Great, but what changed? I did nothing and it seemed to "fix" itself, which makes me nervous.
Am I on the verge of hard disk failure? Could it be a BIOS problem? Maybe Windows needs a repair? How can I diagnose this problem?
Edit:Ran CrystalDiskInfo and it gives me a 100% health status. Ran Memtest86 to see if it was RAM, no issues there either.
Edit 2: Ran CHKDSK and it said it discovered free space marked as allocated in the volume bitmap. It noted that it fixed that. That wouldn't be the problem, would it?
Today I started my computer, left for a bit, and came back to a "Reboot and select proper boot device" screen. So for some reason the computer restarted itself and lost track of the SSD. When I booted to the BIOS it did not see my hard drive at all. I tried booting from my install CD, and it saw the drive. Went back to BIOS, drive still invisible. After restarted a few more times, it showed up in the BIOS again and I was able to boot to Windows. Great, but what changed? I did nothing and it seemed to "fix" itself, which makes me nervous.
Am I on the verge of hard disk failure? Could it be a BIOS problem? Maybe Windows needs a repair? How can I diagnose this problem?
Edit:Ran CrystalDiskInfo and it gives me a 100% health status. Ran Memtest86 to see if it was RAM, no issues there either.
Edit 2: Ran CHKDSK and it said it discovered free space marked as allocated in the volume bitmap. It noted that it fixed that. That wouldn't be the problem, would it?
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