mikesan Posted May 18, 2015 Share Posted May 18, 2015 Defragger works just great on my installed hard disks. However when I attempt to use it on one of my external usb drives (1.5TB Samsung) the analysis reports "failed" on each of the logical drives. Running Win7x64 on Intel CPU. Latest version of Defragger installed. Can you help. Thanks Link to comment Share on other sites More sharing options...
mikesan Posted May 20, 2015 Author Share Posted May 20, 2015 Nobody home? Am I the only one to experience failure of Defrag on an external usb drive? Link to comment Share on other sites More sharing options...
Moderators mta Posted May 20, 2015 Moderators Share Posted May 20, 2015 maybe you are, because I just plugged in an external USB drive and DF analysed it fine. plus if you were not alone, there would be a plethora of other users reporting the problem. you mention 'logical drives', do you mean physical drives? does the Samsung drive get assigned a drive letter? what is the file system type? does it show up in Control Panel -> Administrative Tools -> Computer Management -> Disk management? Backup now & backup often.It's your digital life - protect it with a backup.Three things are certain; Birth, Death and loss of data. You control the last. Link to comment Share on other sites More sharing options...
mikesan Posted May 22, 2015 Author Share Posted May 22, 2015 maybe you are, because I just plugged in an external USB drive and DF analysed it fine. plus if you were not alone, there would be a plethora of other users reporting the problem. you mention 'logical drives', do you mean physical drives? does the Samsung drive get assigned a drive letter? what is the file system type? does it show up in Control Panel -> Administrative Tools -> Computer Management -> Disk management? Thanks for your reply. To expand: I too have another external USB drive on which defragger works fine. However on the Samsung 1.5TB drive it simply fails. By logical drives I mean the partitions on the single drive, each with its own drive letter. The drive shows up perfectly in Disk Management. So, the question is: are there some usb drives which fail to work with defragger? Link to comment Share on other sites More sharing options...
Moderators mta Posted May 22, 2015 Moderators Share Posted May 22, 2015 what file system does the Samsung HD have? have you ran a CHKDSK on the Samsung to verify its integrity? is there anything special or unusual about the Samsung that may make it 'unique' to DF, say for example, is it a hybrid? Backup now & backup often.It's your digital life - protect it with a backup.Three things are certain; Birth, Death and loss of data. You control the last. Link to comment Share on other sites More sharing options...
Moderators Nergal Posted May 23, 2015 Moderators Share Posted May 23, 2015 Also please run a debug run of defraggler and attach the resulting log to this thread. http://www.piriform.com/docs/defraggler/troubleshooting/running-defraggler-in-debug-mode ADVICE FOR USING CCleaner'S REGISTRY INTEGRITY SECTION DON'T JUST CLEAN EVERYTHING THAT'S CHECKED OFF. Do your Registry Cleaning in small bits (at the very least Check-mark by Check-mark) ALWAYS BACKUP THE ENTRY, YOU NEVER KNOW WHAT YOU'LL BREAK IF YOU DON'T. Support at https://support.ccleaner.com/s/?language=en_US Pro users file a PRIORITY SUPPORT via email support@ccleaner.com Link to comment Share on other sites More sharing options...
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