U disk is a high-capacity storage device that we often use, which can help us store a large amount of data. Sometimes we plug the U disk into the computer and find that there is no response! What is the reason why the U disk does not respond to the computer ? What should I do if the U disk does not respond to the computer? Let us take a look.
The reason why the U disk is inserted into the computer does not respond:
1. Poor contact of the USB interface
2. The computer USB service is disabled
3. The logic of the U disk is damaged
Solution one
In this case, the logic of the U disk is damaged. Even if the U disk is inserted into the computer, there is no response at all. If you change it to another computer, it may be repaired, but it is more professional.
The premise is that the U disk must be disassembled. The first function of disassembling the U disk is to accurately check the main control type of the U disk, and the other is that the short circuit must be disassembled to short the flash memory pins. How to short circuit U disk flash memory check this article, the function of the shorting pin is to let the computer discover your usb device, that is, to discover your U disk, because if the computer can't find your U disk, we can't do anything. The disk can be repaired in mass production. Take the Phison master USB flash drive as an example, when your computer can find your USB flash drive, open the mass production tool corresponding to the master controller to re-set the mass production configuration and start mass production. The conventional master controller can be repaired in this way. , unless your U disk is really hardware damaged, then there is no way. For the specific mass production tutorial, please refer to the U disk tutorial column of the mass production network. This method is more professional, but it is also the only one that does not really respond to the U disk plugged into the computer. the repair method.
Solution two
First, determine whether the USB interface is in poor contact. We can change a USB interface to see if the U disk is reflected.
In addition, many of the front USB ports of many desktop computers are invalid; it is recommended to use the USB port on the back of the chassis directly.
Solution three
See if the USB service is disabled:
Here you can use tools to detect, use QQ computer housekeeper and other security software, we take QQ computer housekeeper as an example. Open PC Manager's home page and click the PC Speed Up button.
Then don't rush to accelerate, click the more button in the bottom right corner of the interface!! Then click "Startup Acceleration".
Then switch the tab to the service item; then find Plug And Play (plug and play service); then click to open.
Reminder: Do not unplug the U disk directly when the USB is transferring. This will cause great damage to the U disk, otherwise it will be really troublesome to repair if the computer does not recognize the U disk.