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….
Case:Customers took a 4GB USB flash drive to restore data, and the disk was suddenly unable to recognize when it was used normally. Solution:The U disk has been processed when it has been hand, and the welding of storage IC is crookedly welded on the pad.The failure point of the U disk is actually not…
Case:A Customer’s Kingston U disk is 2GB, but suddenly abnormalities appear. The access to the computer shows only 10MB, and the data inside is gone. Solution:Try the hardware step by step. First of all, the crystal vibration is not effective, so the main control of the welding is added. Falsh is not effective. I have…
Case:Customer reaction U disk data is lost. Solution:After detecting pine cypress, it was found that the U disk was scrolled and wrote, which was the same as four sectors. Many four sectors were continuous and the same. Most of the sectors were the same.Find some files, rewrite the catalog of the transition virtual hard disk,…
Case:The customer took a kinton U disk to restore the data because the hot insertion caused unable to open the U disk. Solution:Using Winhex analysis, there is no DBR, no FAT table, no FDT, and later searched the directory. The first sub -directory shows the 9th cluster, the second sub -directory is the 11th cluster,…
Case:The customer brought a TF card, did not recognize the disk, changed a few card readers, or did not recognize, eliminating the problem of the card reader. Solution:I got me, and I still do n’t recognize such a small card. I do n’t have the bottom of my heart. I should be a live horse…
Case:Customers send a ST320GB hard disk, saying that it cannot be recognized, the hard disk has no response, and the hard disk has collided. Solution:Looking at it, I found that the motorka died, the plate was scratched, the motor was forcibly dialed, and the power can be transferred. The PC3000 can be recognized. The recognition…
Case:Customers respond to computers. Solution:The power connection is the F -level on the terminal. Most of the phenomenon in the hard disk of ST is caused by problems with the magnetic head. I don’t know much about the specific reasons and principles. I only know that basically the head is bad. If the customer wants…
