Trying to avoid a double-post but still want to "inform" others about a possible issue: Both this update for version 070 (MX300) and the 023 (MX500) seem not to be working on BIOS systems, e.g. for people who do not have an UEFI boot-option available: https://forums.crucial.com/crucial/board/message?board.id=ssd&message.id=57766#M57766
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Firmware update 023 NOT working for BIOS systems!? Have updated about a dozen MX300 drives to version 040 and later to 060 before, so I think know the drill... But trying to update to version 023 (MX500) or 070 (MX300) fails in every possible way... 1) ISO-File: Like a lot of other users I got the message saying that the boot image could not be found 2) Storage Executive: After updating I (almost immediately) got the message that the Update was successful... BUT after restarting the PC several times (both hard and soft) the Firmware STILL had the previous version (which is also confirmed by the 'Storage Executive' software itself when reloading the drive overview) Good job, Crucial!!! Both firmware releases 023 (MX500) and 070 (MX300) seem to be a complete WASTE of time for people who simply do not have an UEFI boot-option available in their systems! Verdict: Regardless the fact, that such crucial changes to the prerequisites of the update process should be documented on the download site, the update-instructions and the changelog, the behaviour and user-feedback of both the bootable iso and “Storage Executive” are quite irritating... If the update process alone already shows such a lack of minimum care, I really find it hard to confide in the quality of the provided firmware itself and its internal effort to keep my data safe in the long run.
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