 Subscribe and press the bell icon to never miss an update from Sistwi. Your graphics hardware or GPU is an essential part of the computer as it helps deliver high quality visuals and effects when required by programs or games. If you like playing high detail video games or are a professional related to design and art, you might have encountered the error application has been blocked from accessing graphics hardware. This error can be very frustrating especially if you are a gamer or a graphics software user. If so, in this video we will show you some of the easy methods to fix this error. Method 1 Use Advanced Driver Updater To fix this error you can use Advanced Driver Updater by Sistwi. Start by downloading and installing the software on your Windows computer. You can also use the link given in the description below. Click on Start Scan Now button to check your computer's driver status. Start for the scanning process to get completed. Here you will see all the drivers that need to be updated. You can choose each driver to update or just hit the update all button to complete the process. And you are done. Method 2 Run System Maintenance Troubleshooter To run the system maintenance troubleshooter type run in the search and click the run. In the open run dialog box type the command showing you on the screen and then press enter to run it. In the system maintenance window click on advanced then click on run as administrator. And then click on next. Method 3 Run System File Checker and DISM Scan On your Windows PC type command prompt in the search and then right click on the command prompt. Select run as administrator from the drop down menu to run command prompt with administrator privileges. In the command prompt window type sfc slash scan now and hit enter. Wait for the scanning process to complete it and restart your computer. Method 4 Update Graphics Drivers On your Windows computer type device manager in the search and then click on the device manager. In device manager find display adapters, expand it, right click your graphic device and select update driver. Click on search automatically for drivers. Then Windows will search your computer and the internet for the latest driver software for your device. So that is it. We hope these methods worked for you. If you liked the video then don't forget to give a big thumbs up. Also subscribe to our channel for more such videos.