And the author really needs help to be able to format it and make it normal to use. Thanks.” By Allen420 from CCMįrom the simple description, we know the USB flash drive turns inaccessible and can’t be formatted. How can I open it when I can’t format it? Hope you’ll help me. But when I format it, a pop up message appears saying “Windows was unable to complete the format”. How can I open my flash drive when it says “You need to format the disk before you can use it”. The volume does not contain a recognized file system.”īut if we accept the suggestion, then we see “Windows was unable to complete the formatting” soon. Before we come across this error message, another phenomenon is that when we trying to open the removable disk, Windows tells that “you need to format the disk in drive N before you can use it, do you want to format it?”Īt this time if we ignore this message, then we see “ is not accessible. Windows was unable to complete the format always happen on USB flash drive or SD card. However, sometimes when we carry out formatting on a removable disk, Windows gives us a prompt saying “ Windows was unable to complete the format“, just as shown in the figure below. Windows Was Unable to Complete the Formatĭisk formatting is quite efficient in cleaning up disk partition files, and is usually adopted by us when we are going to emptying an internal hard drive or a removable disk.

How to Transfer Data from USB Drives We Cannot Access.Best Solutions for Windows Was Unable to Format Removable Disk.Possible Reasons for Windows Was Unable to Format Pen Drive.Windows Was Unable to Complete the Format.And, first and formost, remember to recover data from inaccessible disks. Cannot access a partition on removable disk because Windows was unable to complete the format? If you keep receiving 'Windows was unable to format removable disk' error or the similiar, you can have a try on the solutions explained here.

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