Letter disappeared

Users questions: After what I said, I am in school today with my MP3 copy on your computer in the students of the game grinding beast, (before that my computer did not come into contact with other computers.) Returned home after opening the computer. I loaded it After grinding beast. Safety pull MP3. Waiting for a return to the QQ on, my brother used to transfer files passed to QQ I have a compressed file, compressed a number of novels are TXT format. Then he came with his MP3 (MP3 only access to his office over my computer) plugged into my computer, to pass into the novel, half-way problems, and jumped out of a dialog, I did not look carefully closed. But found the computer to pull out the lower right Safe removal of the tag corner missing, only the hard pull. One would try. USB plug to not reflect, MP3 displayed in charge. Open My Computer, find the computer missing a letter, a good reader installed on my computer, so there are several letter. Of course, the hard drive letter should be no shortage. Note; installed on my computer did not kill Virus software, only installed the card online assistant, and Skynet fire intensity. I do not know drug or hardware problems. Way to analyze.
Experts answer: emergency line and other system errors. Right-click My Computer to open its properties, hardware, Device Manager, the midpoint in your computer name, now tap Scan for hardware changes occur , See if I can find, should the not, restart the computer into safe mode, the same De ways to open Device Manager, remove all hardware not now reboot, you should be there the letter was. Another way you can right click my computer select manage, disk storage management column by clicking on the right Side will appear in all your computer hard drive letter, you can add a letter for them; there that can also look at the removable storage column.
  • This information provided by the users.Thanks!