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"Unable to write to the last block of the device"

Hi,

I think i did everything right but now i cannot initialise the SSD harddrive (harddrive not fromated) and i receive a "Unable to write to the last block of the device" error when i try to create a new partition.

Screenshots / Pictures :

https://www.dropbox.com/sh/12fcg738jzuxr...

Any idea here ?

Best

Alex

답변되었습니다! View the answer 저도 같은 문제를 겪고 있습니다

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Alex - Do you have a universal adapter cable or external case to put the SSD into? See if it can be for formatted externally. If you can, you either have a SSD thats too fast for your system (SATA III Vs SATA II) or the drives SATA cable is bad.

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If it were a normal hard drive I would use the "write zeros", format option to map out any bad blocks. It might work for the SSD.

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no, the option is greyed in the disk utility ...

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This problem has nothing to do with the drive itself but is almost always caused by a bad connector between the board and hard drive. A large proportion ,around 10%, of macbooks that come into my lab for disk replacement have a perfectly good drive but a bad cable the problem seems to be most prevalent in the 2010 macbook pro

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Dani, Agreed, most of the time its the SATA cable. I'm sure Alex has since fixed his system given the age of the original posting. How about focusing on the newer ones.

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Hi All,

I haven't found the solution yet as i have too much work and don't take the time for it to be honest.

I'll retry with your proposals. Thanx a lot for this feedbacks.

All the best

Alex

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Hi, what about MacBook Air 11" 2012 where there is no SATA cable?

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Please make a fresh question with your problem

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Hi, what about MacBook Air 11" 2012 where there is no SATA cable?

While doing the partition, it shows error like this;

Partition failed

Partition failed with the error:

Unable to write to the last block of the device.

의 답변

The drive is a special version of m2 in the air I have replaced several of them using drives purchased from OWC with success. Sometimes the board needs to be resoldered using a reflow system if replacing the drive doesn’t work which is very expensive. I have occasionally done a ‘botch’ job by removing the board and putting it in a 150c temperature oven on a silicone mat for an hour or so but I don’t recommend it as it is very easy to destroy the board by overheating or warping if it is cooled too quickly

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The SSD's firmware is likely corrupt or the SATA controller in the laptop or the drive is failing. The SATA cable has nothing to do with it. All SATA devices are backwards compatible with SATA III, III, and I, as per the SATA spec. The drive will just downspeed to the correct protocol.

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I have this problem with a new USB memory stick. It was filled up to 124 GB by my Tesla Sentry mode but now I cannot erase the data to reuse the stick. Every erase option throws up the “Unable to write to the last block of the device” message.

Any clues?

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You probably have a problem with the hardware of either the stick or your computer. Try formatting it on another PC and if it doesn't help its time to RTM (return to manufacturer) if it does work on the other computer (most unlikely then you have a problem with your USB port which you can ignore unless you use it often

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Same problem …. bought two 2TB external hard drives from China ….. one seemed to work when I copied data to it. But would not take the 8.57gb I was sending [ MS-DOS [FAT] ] has a limit of 4gb. Then my MAC would simply not recognise the external drive. I tried all the recommended fixes in Disc Utility on both my rather large Macs [in my recording studio]. One is brand new iMac.

Neither of the two discs are seen by either Mac … I shall turn the problem over to my ‘man’ on Monday [now Saturday] … but, as with most folk, I won’t give in … wasting hours on this problem. Can’t find the answer!

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This appears to be a Tesla specific problem that is affecting users of Tesla's Sentry mode that records video footage to the USB. Once the USB fills up it appears to corrupt the drive with no obvious solution.

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try partitioning the drives in mac os format (HFS) but you may find that the drives are not really 2TB if they are noname brands

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Alexandre Stevens 가/이 대단히 고마워 할 것입니다.
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