Windows 7 Data corruption on powerloss.
You would have the problem of data corruption upon loss of power no matter what OS you are using. Unix/Linux have a mount and umount command for connecting and removing portable devices. If you do not unmount the device with a command, then you have an extermely high probability of data corruption on that removable device. Windows automatically mounts the device and the provides an Eject option to unmount the device for removable. If you don't use the Eject, then you have an extremely high probability of data corruption on that removeable device. So, power loss on an SSD, or even a regular HDD, has a very high probability of data corruption if there is a sudden power loss. The power loss is the same as not unmounting a removeable device. So, whether you trust Windows or not, it is not a Windows fault. The problem is caused by the power loss! Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
May 26th, 2012 7:06am

I have a problem where Windows 7 becomes corrupt after a powerloss. I have an SSD with Data loss pervention built in, but when Power is lost and the computer shuts down it comes up in BIOS that the drive is missing. What will cause this. Is it windows corrupting the data and the drive locking down the bad data at powerloss?
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May 26th, 2012 1:48pm

The power loss is causing the problem. When you lose power all activity in the computer stops; the CPU stops, the SSD stops, etc. If something is being written at the time the power is lost, it is caused by the power loss - Windows and the SSD stop the instant the power is gone! Windows cannot corrupt the data when power is lost because at that instant Windows is DEAD - it does nothing! And, any power interruption to the SSD can very easily cause data corruption because the SSD is instantly DEAD and cannot continue what ever it was doing! The only way to fix your problem is to purchase an Uninteruptible Power Supply (UPS) to protect the entire system. This is not a Windows problem! It is a power problem!Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
May 26th, 2012 2:01pm

1. If you experience power loss very often, buy UPS. 2. Try to set default BIOS setting and set AUTO for HDD (Hope you have set AHCI in your previous installation) 3. If 1 and 2 fails try to contact hdd vendor support regards Milos
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May 26th, 2012 2:05pm

Flash memory is often used in removable storage applications or battery operated devices where a robust and reliable power source cannot be guaranteed. A user may remove the memory at any time and under these conditions security of data is of paramount importance. The current Flash storage devices I have use a concept in order to ensure data integrity when transferring or writing data. Upon a sudden power fail, the controller is reset and the Flash is immediately write-protected. The exact power fail algorithms used by the controller depend on the product group. This corruption doesnt allways happen but it does occure on various SSD drives that have this same protection built in. I have a problem trusting that Windows doesnt have something to do with this corruption.
May 26th, 2012 2:14pm

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