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Most issues preventing you from starting games, causing crashes, or causing low frame rates/lag after updating Windows are related to your graphics drivers. DDU is the only utility I trust to completely uninstall your old drivers so you can install a clean and updated copy. Step 1. Download fresh, updated copies of your graphics drivers: -Use dxdiag if you’re unsure what graphics card you have. You can launch it by typing "dxdiag" in your Start Menu, and clicking on the sole program that pops up. You’ll see your card under the “Display” tab. -Download the drivers from AMD, Intel, or nVidia directly- don’t use manufacturer’s drivers that come on a CD, or from EVGA, MSi, Sapphire, Zotac, etc. (I recommend manually searching for the drivers using the dropdown boxes rather than using the automated tool. It’s unnecessary software.) Links for drivers below: AMD: https://support.amd.com -> “Find your driver” Intel: https://downloadcenter.intel.com/product/80939/Graphics-Drivers Nvidia: https://www.geforce.com/drivers Download the latest stable driver and save it to your Desktop for easy access. Step 2. Downloading DDU: -Go to the Wagnardsoft homepage. -Under the software headline, you’ll see the latest version of DDU as an announcement, such as “DDU version xxx released!” Click on the latest one. -Scroll down the changelog until you see “Click here for Download & Support”, click on that link. -Scroll down the post until you see “Official Download Here”, and click on that link. -Save the file on your Desktop for easy access. Step 3. Unpacking DDU: -The executable that’s downloaded is a self-extracting archive, not the program itself. You’ll need to unpack it first in order to run it. (see step below) -Run “DDU v.xxx”, you’ll be presented with a window asking you where you want to extract it. It defaults to wherever you saved the file. I suggest extracting it either to the root of your drive, or on your Desktop, such as “C:\DDU” or “C:\Users\%username%\Desktop\DDU. -(Note: make sure to add \DDU to the path, otherwise it will place all the files in the root of your drive, on your desktop, etc. Basically make a mess) Step 4. Starting DDU: -Navigate to the DDU folder where you unpacked the program (In example below, C:\DDU). -Run “Display Driver Uninstaller”, and click “Yes” on any UAC prompts. -You’ll get a Launch Options dialog. Click on the Dropdown menu and select “Safe Mode (Recommended)” Also- read the note in red! You must know your password! -Press Reboot to Safe Mode (NOTE: If your computer will not start in Safe Mode, read extras below) -Once your computer boots into Safe Mode and you log in, DDU will start automatically. Step 5. Running DDU: - Once your computer reboots into Safe Mode, DDU will auto-start. -Your graphics card manufacturer should be automatically detected. If not, use the information you retrieved from DXDiag to set the correct driver to remove. -Click on "Clean and Restart" Step 6. Installing Graphics Drivers: -Either before or once your computer has rebooted, make sure you are disconnected from the Internet. (Unplug ethernet cable, or disconnect from Wireless)* -Launch the graphics driver installer that you downloaded to your desktop, and follow the prompts. -Reboot your computer once the installer has finished -Have fun gaming! Extras: -If your computer will not boot into Safe Mode, restart it normally if and/or once Startup Repair does it's thing. If "Startup Options" appears, use your keyboard to select "Start Windows Normally", and press Enter. Once it restarts normally, run DDU, and use the "Normal" launch mode. Choose "Clean and Restart". Once restarted, run DDU again (with internet disconnected); clean and restart again. Now install your graphics drivers. -Why disconnect from the internet? The reason is because Windows Update will automatically install drivers. The drivers provided by Windows Update are often half-baked versions of the full drivers. You may run into the same exact problem, or experience poor performance if you use the drivers Windows installs.
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DirectX 12 is a really hot topic as we’ve got a number of games supporting it. And Oxide developer Kollock has revealed some interesting new information about this new API. According to Kollock, the latest WHQL drivers from NVIDIA support Async Compute; a feature that NVIDIA’s GPUs did not initially support. As Kollock claimed: “I can confirm that the latest shipping DX12 drivers from NV do support async compute. You’d have to ask NV how specifically it is implemented.” Async Compute is a feature that was previously support only by AMD’s GPUs, so it will be interesting to see what NVIDIA has done via its drivers, and whether the results are as good as those of AMD’s. For what is worth, Async Compute is still disabled in Ashes of the Singularity for NVIDIA’s GPUs. “Async compute is currently forcibly disabled on public builds of Ashes for NV hardware. Whatever performance changes you are seeing driver to driver doesn’t have anything to do with async compute.” Another interesting thing is that Steam’s overlay is working in DX12 by hooking the present call. DX12 and UWP were criticized for not supporting overlay programs. However, as both Kollock and NTAuthority stated, Steam’s overlay can work in DX12. As Kollock said: “I’d also point out more basically that the Steam overlay works by hooking the present call, in DX12.” And here is Steam’s overlay working, courtesy of NTAuthority. Windows Store games don't support overlays, they say... Kollock also talked about the rumoured list of issues that come with DX12 and Windows 10 Store games. According to Oxide’s developer, the only issue right now is with the refresh rate and that’s when vsync is disabled. In case you are not aware of, the rumoured list of the DX12 and Windows 10 Store issues is this one. 60 FPS cap 60Hz forced Gsync and FreeSync not supported Windowed mode is forced (store only) .EXE encrypted (store only) No true access to game files (store only) Little to no 21:9 or multi monitor support (store only) 3rd Party FPS readers and FPS limiters won’t work (For most of the titles) No .ini modding (store only) No reshade support No SweetFX support Limited key binding (store only) Limited driver intervention due to App encryption (store only) Slower roll out of patches (as they must pass WHQL per patch – store only) Poorer support for mGPU configurations At the mercy of Developers to implement desired features. Regarding this list, Kollock had this to say: “Uhm, no. Almost none of these are true. I have no idea what Windows Store apps require, but Steam is 90% of the Game market, and the rest is GMG, GoG, and Origin. The main difference between D3D12 and D3D11 is that when you create a swap effect you have to use FLIP rather then DISCARD. That has implications on refresh, but you can also do the refresh of the monitor. Practically speaking, this only matters if vsync is disabled, which is generally done only for performance testing.” Kollock also added: “As I’ve said before, the only difference between a D3D11 and a D3D12 title at present is that when creating a swap chain in D3D12 you must use the swap effect DXGI_SWAP_EFFECT_FLIP_DISCARD, in D3D11 you can use DXGI_SWAP_EFFECT_DISCARD. This has implications when vysnc is disabled, but shouldn’t when vsync is enabled which is not only what we default to, but what we recommend for players. More or less, this becomes a very subjective argument over whether tearing or dropping frames is better when you don’t want to run at a refresh of your monitor. However, most people in the industry would concur that you really want to running with your monitors refresh rate.” And as for Freesync/G-Sync, Kollock said that they should work, unless Freesync/G-Sync support has been hacked in some in games in order to work. “The limitation is with vsync off, FreeSync and Gsync work by changing the refresh, so I don’t think this change would impact it at all except they may have hackeddadadadad. It should [work], I don’t think this change would impact freesync and gsync except perhaps to break things temporarily if they are hacking them to work. I don’t know enough of how they’ve made freesync/gsync to work at a system level.” What is made crystal clear here is that not only Microsoft needs to work with the current DX12 issues, but also AMD and NVIDIA. Both the red and the green teams need to do some driver changes in order to support features that were previously working fine in DX11 (but for some strange reason are broken in DX12, especially if there were hacks involved into making these features work in the first place). Source http://www.dsogaming.com/news/directx-12-async-compute-supported-in-latest-nvidia-drivers-steam-overlay-works-in-dx12-mode/ -
This topic is meant for anybody who is using AMD's latest Catalyst beta drivers (to date, 9/8/2014- 14.7) I'm wondering what various people's experiences have been so far. I can say for certain that the OpenGL performance has really just blown me away, with enormous increases in my FPS rate, as well as compatibility with newer games. However, on the con side, I've gotten a BSOD about... once a week or so since I installed this latest update, and the latest was during some mundane text scrolling. I'm wondering if people have noticed/gotten similar results or not, and if they have found any other pros and/or cons. Let me know!
