🔔 Download Free AOMEI Partition Assistant Standard Now 👉 https://www.aomeitech.com/llyy/youtube/aomei-partition-assistant.html?__ut=llyy_old_youtube!zcnzGUVInjc 🔔 Related Reference How-To Article 👉 https://www.diskpart.com/windows-10/disk-1-unknown-not-initialized-windows-10-4125.html?__ut=llyy_old_youtube!zcnzGUVInjc ----------------------------------------------------------- You may meet the problem of Disk 1 unknown, not initialized in Windows Disk Management when you try to use an external hard drive on your Windows PC. It can be shown as either Disk unknown, not initialized, no disk space or Disk unknown, not initialized, unallocated space in Windows Disk Management. Fortunately, this tutorial will show you why your hard drive becomes not initialized in Disk Management and how to solve the problems you have met. Different methods under different situations: Situation 1: Disk unknown, not initialized, no disk space Fix 1. Check hard drive (start from 00:00:48) Fix 2. Reconnect battery(if applicable) and the disk(start from 00:01:03) Fix 3. Update disk drivers(start from 00:01:42) Situation 2: Disk unknown, not initialized, unallocated space Fix 1. Initialized disk 1(start from 00:02:31) Fix 2. Rebuild MBR(start from 00:03:23)