I would like to ask these questions about this issue for a better understanding.
1)Is the iPhone getting detected on your Windows 8 PC?
2)Do you get any error message when you connect the iPhone with the PC?
3)Is this the first time that you are facing this issue? If yes, then what are the recent changes that you have made to the computer prior to this issue?
If the iPhone is not detected on your Windows 8 computer, then that might be due to some driver issue. You may try the following methods and let’s know the results.
Method 1: Run the Hardware Troubleshooter
If iPhone is not detected on the computer, then let’s run the hardware troubleshooter and check the issue. The Hardware Troubleshooter is an automated tool which checks the hardware connected to the computer for any known issues and
provides the details on how to fix them. Follow these steps to run the troubleshooter.
a)Press “Windows Logo” + “W” keys from the keyboard.
b)Type “Troubleshooting” in the search bar and press “Enter”.
c)In the “Troubleshooting” window, click on “View All” on the left pane.
d)Click on “Hardware and Devices”.
e)Click on “Advanced” and then click on “Run as Administrator”.
f)Click “Next” and follow the on-screen instructions to complete the troubleshooting process.
You may now try importing the photos to the computer. To do this, try the following method.
Method 2: Transfer Pictures from iPhone to your Windows 8 PC
a)Connect the iPhone with your PC.
b)As windows search for the device, you will see a notification on the screen asking “Tap to choose what happens with this device”. Click on this notification
and you will be able to see three options: “Import photos and videos”, “Launch device to view the files” and “Take no action”.
c)Click on the option “Import photos and videos”. This will open all the photos on your iPhone in Windows 8 photo app.
d)Select the photos that you would like to import and then click on “Import” to start copying the selected photos.
e)After importing all the photos, you may verify if it on the computer.