

You can also choose to delete any other unwanted file types - temporary files, for example - while you are at it. Step 3: Keep the box next to Thumbnails checked, and then click OK. Windows 10 should take a while to scan for deletable files within the drive. Step 2: Select the drive with the Windows 10 installation. You should now have the Disk Cleanup utility loaded. Step 1: Open the Start menu, search for Disk Cleanup, and press Enter. Folder thumbnails regenerate automatically over time. Reset Thumbnail CacheĪn outdated thumbnail cache is the prime reason for black squares to show up behind folders, so let’s try deleting it from your computer. If they don’t - or if the issue keeps coming back after a while - let’s move on. If the affected folders look normal after the restart, you are golden. Open the Start menu, click the Power icon, and then click Restart.

This may sound weird in this day and age, but Windows operating systems are still prone to get things right after a good system restart.

Click Apply, and then close the Control Center.

Slide it all the way to the right (the " Overscan" direction), to 0%. On my computer, the Scaling Options slider was set somewhere in the middle.On the left side of the dialog, click My Digital Flat-Panels, and then click Scaling Options (Digital Flat-Panel).After a while, the Catalyst Control Center dialog should appear. On the Catalyst Control Center tab, click Catalyst Control Center.Click Adjust Resolution, then click Advanced Settings.I should note that I have an ATI Radeon HD 5700 series graphics card and, and I eventually stumbled across a poorly documented feature of the ATI software that was causing the problem. I could not find any settings in the monitor's own menu options that made any difference, and changing refresh rates had no positive effects. While my screen resolution was correct (1920x1080), there was a large black border around the viewable portion of my screen the Windows desktop did not fill the whole screen. (I'd previously had some bad experiences with HDMI-only connections on PCs.)Īnyway, my fears seemed confirmed when I logged into Windows for the first time with the S2440L connected. , and was initially surprised (and a little apprehensive) when I unpacked it to discover that it only had VGA and HDMI ports, no DVI.
