First, to determine the memory card + reader performance is normal, the specific performance, the computer can be normal identification, memory card can be opened, other files can be deleted. If this is the case, the memory card itself does not have much problem, you can use the Unlocker tool to unlock the file, and then delete. Or use 360 file brute Force Delete, the specific action is:
Ensure that the computer has 360 security guards installed, on the file can not be deleted on the right button, select, use 360 to remove the occupation. If the hint file is occupied, first contact occupies. Then delete deletes.
If you still cannot delete it, use the 360 brute force deletion.
If other files inside the memory card can not be deleted, or the memory card can not be opened occasionally. Indicates that the memory card has a bad way, the memory card needs to be a simple fix, and then do the above operation. The specific actions are:
Right-click the memory card's letter, select Properties-Tools.
Start checking
All tick, click "Start".
Wait for the system to do a simple repair of u disk. This method can be used frequently in daily use, for the daily maintenance of U disk has very important significance. In addition, you can also defragment the U disk (the third step has "start sorting" tool). These are important operations for daily maintenance.
If the above method can not delete the memory card files, it is likely that you plugged into the memory card of the computer is a virus, will automatically create a virus on the removable disk file, this situation you can only safe and powerful anti-virus software antivirus.