Unable to write to the last block of the device 69760. The error may be caused by a communi...
Unable to write to the last block of the device 69760. The error may be caused by a communication or connection issue. Aug 12, 2022 · Error: -69760: Unable to write to the last block of the device I'm trying to use my external hard drive (new) but my mac does not mount it so I have been trying to erase it, use the first aid, and it does not work, so when i tried to format the hard drive, it appear this message showing this error Feb 6, 2023 · Error-"Unable to write to the last block of the device. Try to use the device within the system if a suitable internal connection is possible. : (-69760). 2# Could someone help me to figure out what to do to resolve this issue? EDIT 2: # fdisk -f boothfs /dev/disk3 Disk: /dev/disk3 geometry: 121601/255/63 [1953525168 sectors] Signature: 0x0 Starting Ending Aug 12, 2024 · What is the cause of the “Unable To Write To The Last Block Of The Device” Error? it usually happens when you can’t write to the last block on the device because of hardware problems or a corrupted file system. I tried to format it but failed because it somehow set it self to read only and says it was unable to write to the last block of the device. ' on Mac when erasing or partitioning your internal or external drive? Read on to learn the solutions. Switching ports and cables resolves this problem. Jul 22, 2020 · All the time I get this error: ,, Unable to write to the last block of the device (-69760) when I want to erase the ssd. I also tried to erase with the format APFS and ExFAT and I got the same error. 14tb drives and not 3tb. When I connect it to my Mac, it won't mount. "I hope you found a solution that worked for you :) The Content (except music & images) is licensed un Jul 30, 2011 · Trying to format an external hard drive using diskutil gives me "Error: -69760: Unable to write to the last block of the device". This error message when trying to erase an external hard drive, that disappeared after Catalina was installed. Sep 12, 2025 · What Does Unable To Write to the Last Block of the Device Mean? If you are receiving an Unable To Write to the Last Block of the Device error, it is likely that your drive is defective. 1 day ago · Getting 'Unable to write to the last block of the device. 2# lsof | grep disk3 sh-3. Jan 15, 2023 · "unable to write to the last block of the device (-69760)" I have ran DriveDX and from what I can see they're health drives. Feb 6, 2020 · Error: -69760: Unable to write to the last block of the device". Apr 14, 2020 · The idea is to write each block with a zero overwriting whatever was there corrupting it. I also tried running First Aid on the drive but it did nothing. I have also tried a different harddrive cable and the same thing happens. They're both Seagate. Additionally, relocating the Aug 12, 2022 · Error: -69760: Unable to write to the last block of the device I'm trying to use my external hard drive (new) but my mac does not mount it so I have been trying to erase it, use the first aid, and it does not work, so when i tried to format the hard drive, it appear this message showing this error Aug 17, 2018 · Started erase on disk3 Unmounting disk Error: -69760: Unable to write to the last block of the device sh-3. Keep in mind, this will take a long, long time so if you have a Windows machine handy, it makes sense to first format it there then try again in macOS. Also, in Disk Utility and Terminal they're showing as 4. If your SSD is connected externally, utilize a different USB port and replace your USB cable or enclosure if necessary. Is that a hardware problem and what could be done about it?. Jan 27, 2026 · The drive's partition map is Master Boot Record and has only one partition. jgbhvfkuqpnkowojhnldpmojwurzmidpcujdkvtncpfsqnox