Case:A customer responding to a certain Excel file in the U disk cannot be opened. Solution:After testing, it is found that the user’s EXCEL file header is damaged, and it can be opened after repairing (with a password), but after entering the password, it still prompts “the file is in an invalid format”. There is…
Case:A customer’s hard disk of WD320GB cannot be recognized. Solution:It is found that the hard disk has knocked on the disk. It should be damaged by the magnetic head. As long as the client data of a folder of the D drive, the same type of magnetic head is replaced.The data I want is tragedy.After…
Case:Customer computer reinstalls the system after poisoning, and finds that the logic E drive data is empty. Solution:The data of the original E disk should be destroyed by the virus. Use Winhex to search the directory and find that there are a large number of directory existence. Because the volume of the file is relatively…
Case:Customers reflect the virus in their U disk, causing a copy of the file, prompting “the file directory is damaged and cannot be copied.”” Solution:Winhex is opened
Case:Customers suspect that the virus in the U disk is now unable to open the U disk to read data. Solution:Using Winhex analysis, found that the root directory data was covered, the root directory file was lost, and the U disk attribute displayed that there was data, which should be caused by the virus as…
Case:The customer has a Word document with a long number of words about 20,000 words. When editing, the earlier files that previously stored on the U disk covered the existing files, and then deleted.The Word document needs to be restored. Solution:The difficulty of the failure is that the customer stores the file on the system….
Case:The customer describes the hard disk to recognize it under the BIOS, but it cannot find the partition, and it is 0 bytes to see the hard disk hanging on other machines. Solution:Enter the PC3000, there is no problem with the detection. When you enter DE, you can see the four partitions but one cannot…
Case:Customers took a hard disk of WD500GB, saying that the motor did not turn after power -on, and the hard disk indicator was bright. Solution:According to the user’s description, this situation may be that the circuit board does not power up or has problems with the motor. First, determine whether it is a circuit board…
Case:The customer took a WD800BB hard disk, saying that under the normal use of the computer, it was suddenly unable to enter the system today. I found a repair computer and took it in to see that there was no partition. Solution:So I tested the test first, and there was a search sound. I could…
Case:A U disk of the customer is connected to the computer indicator long, read and write data. Solution:The indicator light that does not recognize the disk U disk has been bright, indicating that there is no problem with the power supply and crystal. It is judged that there is a problem with the driving chip….
