![]() Of course, if I’d known where to find CCC.exe in the first place I would have saved myself a lot of time. The difference here is that if you don’t dig down to find CCC.exe (Catalyst Control Centre) the driver package installs a cut down version of AMD Vision Engine Control Center with no entry for My Digital Flat Panels, requiring users to hack the registry as per option one. I found this to be by far the easiest option, particularly as I’ve used the scaling feature before on Windows 7 when I connected a PC to a 32″ TV. Either way, CCC.exe was easy to find at: C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static\ccc.exe once the Catalyst software had been installed and again, I set compatibility and Admin rights, with the program opening normally with all the functions available, including the all important underscan (Scaling Options). It’s debatable whether this should be done in conjunction with option two. Option Three – Find Catalyst Control Center (CCC) Manually Unfortunately, this didn’t work and so I then moved on to option three. Once this was completed, I installed the Catalyst driver in the normal way but with compatibility with Windows 7 and Administrator rights, hoping that Catalyst Control Center (CCC) would function normally and allow me to adjust the annoying underscan. inf file in the list and Windows installed the correct driver. You can follow these diagrams one by one and follow the tree, which in my case was C:\AMD\Support\13-9-legacy_vista_win7_64_dd_ccc\Packages\Drivers\Display\W76A_INF.Īfter clicking have disk I selected the. ![]() I then went to device manager, selected the graphics card and clicked update driver, browse my computer, let me pick from a list, selected the HD 4500 model, clicked have disk and then pointed to the extracted AMD package. I then let the package extract to C:\AMD but didn’t continue with the installation by cancelling the next procedure. I then right-clicked on the driver package, set compatibility to Windows 7 and clicked run as administrator. Option Two – Force Install The DriversĪgain, in my case I’m using a Radeon HD 4550 and, using Display Driver Uninstaller, I removed all the AMD drivers in safe mode, rebooted normally and located AMD Catalyst 13.9 legacy drivers which I’d downloaded previously by selecting Windows 7 圆4 on the AMD page, even though I’m running Windows 10. In my case, these keys weren’t present so I moved on to option two. Right-click the key 0000, hit find and input 1920×1080 in the search box (or the resolution you need) and if 1080 is the resolution of your monitor the key DALR6 DFP1920x1080x0圆0 will be highlighted in blue which you should then double-click and change every entry to zero.Ĭarry out the same exercise on the 0001 key, close Regedit, adjust your resolution to 1080 and you should find that the underscan has now gone. Then select HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Video and find the long key (out of three) with three sub keys 0000, 0001 and Video as per the diagram below. ![]() Making changes in the Windows Registry isn’t for the faint-hearted and before any changes are made it’s always advisable to make a Registry backup by running Regedit (as Administrator), clicking file>export, and selecting export range>all as per the diagrams below. But there are some methods available for fixing the problem and as usual, I happened upon the easiest route last of all. Neither does Catalyst Control Center open fully with the legacy drivers and shows a cut-down version with minimal options. It’s also worth pointing out that the underscan only occurs in Windows 10 from some apparent inability of the OS to recognise the correct model of GPU. When using an HDMI/DVI adapter cable this underscanning doesn’t occur (or D-SUB VGA for that matter) and it’s taken me a while to figure out how to solve the puzzle. That is to say, the desktop won’t fill the entire display and is underscanned by around 15%. My front desk computer in the shop has an Athlon 64 x 2 fitted with a Radeon HD 4550 graphics card, which today is considered a legacy GPU and although drivers are available for Windows 7 and 8, an HDMI connection to the monitor will cause an underscan.
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