Sony ILCE-7S - Manual (Page 242)

Disconnect all equipment other than this product, the keyboard and the mouse from the
USB terminals of your computer.
Connect this product directly to your computer without passing through a USB hub or
other device.
[324] Troubleshooting Troubleshooting Computers
You cannot import images.
Connect this product and your computer correctly making a USB connection.
When you shoot images with a memory card formatted by a computer, you may not be
able to import the images to a computer. Shoot using a memory card formatted by this
product.
[325] Troubleshooting Troubleshooting Computers
The image and sound are interrupted by noise when
viewing a movie on a computer.
You are playing back the movie directly from the memory card. Import the movie to your
computer using PlayMemories Home and play it back.
[326] Troubleshooting Troubleshooting Computers
Images exported from a computer cannot be viewed on
this product.
Use PlayMemories Home to copy images that are stored on a computer onto a memory
card inserted into this product and view them on this product.
[327] Troubleshooting Troubleshooting Memory cards
Formatted the memory card by mistake.