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How do I fix external HDD format problems?Scan the external HDD for malware.Use third-party tools.Run SFC scan.Run CHKDSK.Install the latest updates.Use Diskpart.Run Disk management tool. Before you continue, make sure you have another blank CD-R, so you can create the new disk. If you’ve created the CD or CD-R and want to modify it, recreate it using a new CD-R. After a CD or CD-R is created, it cannot be edited, erased, formatted, or otherwise modified. How to format a CD or DVD in Windows 10Right click on the Start button, then click on File Explorer.On the left side of File Explorer, click This PC.Right click on the CD / DVD drive, then click Format.On the Format window, select the specific options for the formatting, then click on Start. The DVD-rw should be erasable using Disk Utility. You cannot erase a DVD-r once its been burned, your best bet is to just destroy it.
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