1 Corsair fan for intake below GPU. I just finished cleaning my HDD of 500GB with Diskpart's "Clean All" command. Both commands can erase or wipe a disk leaving it unallocated and not initialized. diskpart clean only overwrites the MBR or GPT areas. Step one verified that Disk 1 is the 3TB drive. Use only a raw GPT, no partition for Windows setup. And again. Diskpart is Microsoft’s disk partitioning command line tool and while it works well, it does not provide some protections from self inflicted wounds. Additional terms governing the Ideation Program are included in the Ideation Terms and may be found here. Clean the Disk. To select the drive that you want to clean, type the below command: Select Disk 1. "Removes any and all partition or volume formatting from the disk with focus. I do it again. Hey Leute, Ich habe heute meine Windows 7 Installations-CD in den Computer geworfen und wollte mit DISKPART den Befehl "clean all" durchführen! To run the DiskPart command, you need to open a command prompt as an Administrator. Beachten Sie, dass die Intel® SSD-Toolbox für Secure Erase Windows* 7 benötigt. Let Crucial help you find a 100% guaranteed compatible upgrade. Important! If you get any errors about permissions when trying to run DiskPart, make sure you have administrator privileges on that computer and that the command prompt is opened as an administrator.