Not recognizing USB Memory Card

It's quite a commen error. To repair USB ports on the motherboard is really complicated.
Buy a USB 3.0 expanson card.
Anker Uspeed USB 3 0 PCI Express Card with 4 USB 3 0 Ports and 5V 4 Pin...


Inateck PCI to USB 3 0 5 Port PCI Express Card and 15 Pin Power Connector...


Inateck Superspeed 4 Ports PCI to USB 3 0 Expansion Card Interface USB 3 0...


Adding USB 3 0 card

ALTERNATE WAY TO TRANSFER PHOTOS AND VIDEOS TO A COMPUTER
If your photos and videos are stored on the memory card, then remove the memory card from the camera and insert it into an USB memory card reader. Connect this USB memory card reader and memory card into the USB port of your working computer. Your computer will see this as an USB Mass Storage Device or an external storage device; you can then open the folder on the memory card and copy the photos and to your computer. Memory card reader is a handy device and is inexpensive. You can copy photos from other cameras and you can also download photos off your memory card to someone else's computer without the need of installing any programs.

ALTERNATE WAY TO TRANSFER PHOTOS TO COMPUTER
If your photos are stored on the memory card, then remove the memory card from the camera and insert it into an USB memory card reader. Connect this USB memory card reader and memory card into the USB port of your working computer. Your computer will see this as an USB Mass Storage Device or an external storage device; you can then open the folder on the memory card and copy the photos to your computer. Memory card reader is a handy device and is inexpensive. You can copy photos from other cameras and you can also download photos off your memory card to someone else's computer without the need of installing any programs.

ALTERNATE WAY TO TRANSFER PHOTOS TO COMPUTER
If your photos are stored on the memory card, then remove the memory card from the camera and insert it into an USB memory card reader. Connect this USB memory card reader and memory card into the USB port of your working computer. Your computer will see this as an USB Mass Storage Device or an external storage device; you can then open the folder on the memory card and copy the photos to your computer. Memory card reader is a handy device and is inexpensive. You can copy photos from other cameras and you can also download photos off your memory card to someone else's computer without the need of installing any programs.

ALTERNATE WAY TO TRANSFER PHOTOS TO COMPUTER
If your photos are stored on the memory card, then remove the memory card from the camera and insert it into an USB memory card reader. Connect this USB memory card reader and memory card into the USB port of your working computer. Your computer will see this as an USB Mass Storage Device or an external storage device; you can then open the folder on the memory card and copy the photos to your computer. Memory card reader is a handy device and is inexpensive. You can copy photos from other cameras and you can also download photos off your memory card to someone else's computer without the need of installing any programs.

try to put in card reader and connect to PC,if PC recognize your memory card try to take backup of your file in card using icare card pro software..then format the memory card... even PC also not recognize your memory card is dead...

1. Have you tried another card reader?
2. Have you tried to read these on another computer?
3. Do you have a printer that has a card reader?
4. Perhaps all your USB ports are v1.1 and the inrerface requires USB 2.0, if so, try the USB ports in use by your mouse / keyboard.
5. Did you check [My Computer] to see if "Removeable Disk" is listed, perhaps as Drive E?

There are several ways to transfer music into your memory card. Please read the options below:

1. Main thing to do, download music to your computer using a program (i.e. Lime Wire)
2. Save the downloaded music to your computer where you can easily find it.
3. You need a USB card reader where you can insert your memory card.
4. Insert the USB card reader while the memory card is inside of it.
5. Make sure that the computer will recognize your memory card and verify the drive letter that will be assigned to it. (i.e. D:)
6. Locate the music and then right-click on it and then select Send To.
7. Select the drive letter of your memory card (D:) and the music will be transferred to it.

*Another thing*
1. Open the driver letter (D:) assigned to your memory card by double-clicking it.
2. Highlight all the music that you would like to transfer.
3. Place the mouse pointer to the selected music and hold down the left-click button of the mouse and then drag it over to the memory card.

If you are plugging a USB device into a different port it takes some time to recognize and install it - it re-installs for every port. There could be cable and/or port issues as well. Plug the printer into a USB port that the mouse does work on and allow several minutes for it to detect install it.