Here's the situation. I have two laptops and one desktop that were all successfully working in a Windows 7 Homegroup as of about two weeks ago (hadn't checked since then). Last night I installed Windows 8 on my desktop (with Start8, at least for now - and a custom install without saving any settings or files). I then uninstalled the WIndows 7 Homegroup from the two laptops. Then I installed a Homegroup in the WIndows 8 desktop, followed by joining that Homegroup from the two laptops. Both laptops are Dells, same wireless cards with all the same settings. I can access both laptop shared files from the desktop with no problem. From one laptop I can access the files in the other laptop and in the desktop with no problem. From the second laptop I cannot access any files from either the other laptop nor the desktop. I uninstalled the Homegroup, and set up a new one using the laptop with the issues. Same result. I uninstalled the laptop wireless driver and re-installed it. Same result. The two laptops are wireless, while the desktop is wired. Does anyone have any ideas?