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The computer does not see a flash card. What to do?
You wanted to throw off on the computer data from a flash card, inserted it into the USB port and... occurs nothing. The computer or the laptop does not see a flash card in any way, and in this article we now will tell you why the flash card can not be defined and what to do with it.
1. Hardware reasons
If the flash card is not defined, the first it is necessary to confirm or disprove the hardware reasons - malfunction of the USB socket or malfunction of the flash card. How to check it? At connection of a serviceable flash card to the serviceable port the light indicator of a flash card starts blinking. If the indicator blinks - means, with a flash card and port everything is all right, problems need to be looked for in a subsoil of an operating system. If is not present - a problem with the flash card or port.
2. Lack of food
Often the flash card is not distinguished if to connect it to the USB port on the forward panel of the system unit. Sometimes such ports are simply not connected to the power unit, and you do not know about it. Sometimes on forward ports not enough food arrives. Try to connect a flash card to other port which is on the motherboard behind the computer. Works? It's cool!
Sometimes the USB device does not have enough food for this reason the personal computer or the laptop does not see a flash card. Such occurs at an excessive overload on current in USB ports or the USB concentrator, the faulty power unit. Food because of too large volume of a flash card can not be enough (this problem is most often observed in outdated models of laptops). In this case it will not be possible to make anything. If too many peripheral USB devices are at the same time connected to the computer, it can also quite not see the new device. Try to switch-off devices unnecessary at present and connect a flash card anew.
3. Faulty flash card
If after that the flash card was not distinguished, a problem, most likely, not in port and in the flash card. Try connection to other computer or even to several. If the flash card does not work at other personal computers, it is precisely faulty. It is better to carry it to the expert. It is often possible to repair a flash card, here only there is a probability that repair will cost dearer prime costs. So it is necessary to resort to repair if you by all means need to restore data from a flash card, in other cases often to buy the new more simply and the cheapest way.
4. BIOS settings
If a flash card there was serviceable, a problem, most likely, in an operating system and its settings. For example, if support of USB in BIOS is not included, the computer will not see a flash card.
If with the BIOS settings everything is all right, at connection of a flash card the system can give out an error message ("The USB device is not identified"), and instead of a badge of safe extraction of the device there will be a yellow exclamation mark. On it there can be some reasons.
5. The busy letter is appropriated to a flash card
The widespread problem — when at connection of a flash card an operating system appropriates it a letter of already connected disk (often such happens when using network disks).
How to fix this problem:
6. The driver for USB is not installed
Happens that on the computer drivers therefore the computer does not read a flash card are not installed. How to check this guess:
In that case it is necessary to remove the device and to reinstall it anew. Sometimes it is necessary to take extreme measures and to delete all drivers for USB controlers. At the following reset of the OS computer will suggest to install USB controlers automatically. However without need it is better not to use this way.
7. Viruses in system
Viruses in system can sometimes be the cause. Then it is necessary to scan the computer on viruses and to remove the infected files. If you are not able to afford to get the paid anti-virus program, be not upset — the range of free antiviruses is very wide, and one of them will help you to cope with a problem.
8. The computer does not read file system
One more is possible the reason of that the laptop or the desktop computer does not see a flash card is the conflict of file systems of a flash card and the computer but what to do in that case? Most often it occurs, if file system of a flash card - FAT. Try to format the USB device, having chosen file FAT32 or NTFS system when formatting - can help.
As you see, the definite answer to your question is not present. Problems with recognition can be both hardware, and program character therefore in each case it is necessary to touch all possible reasons.
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