Windows 7 finds my Windows 8 PC in the Homegroup but when I try to access the files it shows nothing. What is happening?

Thank you for posting your issue on Microsoft Community Forums.

From issue description, we understand that you are not able to share files from home group in Windows 7

We can imagine the inconvenience you have experienced.

Let us go ahead and help you with the issue.

 

If you could answer a few questions it would help us to resolve this issue:

1. Do you get any error message?

2. Did you make any changes in the computer prior to the issue?

 

Here are a few methods which you can follow to resolve the issue:

 

Method 1:

Run Homegroup Fixit.
Here’s the link you can refer.
http://windows.microsoft.com/en-us/windows7/why-cant-i-access-my-homegroup

 

Method 3:
Make sure that network location is not set to Public as Home Group is not available on public networks. Change it to Home Network.
Choosing a network location
http://windows.microsoft.com/en-US/windows7/Choosing-a-network-location

 

Configure this setting
a. Click the file or folder you want to configure, and then do one of the following:
b. To share the file or folder with nobody, click Share within the toolbar, and then click Nobody.
c. To share the file or folder with specific people, click Share within the toolbar, click Specific people, select each person with whom you want to share with the file or folder, and then click Add. Click Share to close the File Sharing dialog box. Sharing with specific people only works if they’ve linked their profiles to an online ID.
d. To share the file or folder with the entire home group, click Share within the toolbar, and then click either Home Group (Read) or Home Group (Read/Write).

 

Also refer to the link:

Home Group: frequently asked questions
http://windows.microsoft.com/en-US/windows7/HomeGroup-frequently-asked-questions

 

Hope this resolves the issue. If issue persists, you can write to us and we will be glad to assist you further.