I formatted my MicroSD card to HFS+ and then back to NTFS from within my Phone device (using an app namely Paragon exFAT, NTFS, and HFS+). Now that I insert the card into my PC (Windows 7), the MicroSD card doesn't show up in My Computer folder anymore. I want to initial and format this MicroSD card to NTFS from within my Windows PC.
Windows Disk Management (compmgmt.msc) can detect the pertaining disk with its drive letter nicely, but shows "no media" inserted. So, it is not possible for me to do format operations on it. How can I get my MicroSD card back to the operation again?
Update:
Picture below shows all storage devices currently connected to my PC.
Disk 0 : WDC WD3200BPVT-00HXZT3 ATA Device
Disk 1 : SD/MMC Disk Device
Disk 2 : Ricoh Memory Stick Disk Device
At the following, DETAIL DISK
shows the detailed information for Disk 1; that is my Laptop's SD-Card reader slot. Notice that DISKPART shows No Media
although the MicroSD card is actually inserted into the slot.
Also, I get error that the disk is not a GUID Partition Table (GPT)
when I try to change GUID for Disk 1
; as follows.
Although using CLEAN for a disk with no media seems meaningless but I've given it a try as with error:Virtual Disk Service error: There is no media in the device.
Answer
When formatting the card on Windows, the poster has reported encountering cyclic redundancy check errors on the card.
That, together with the fact that he has tried every other advice given in this
thread, seems to point to the fact that the card contains bad sectors,
in a place which only Windows accesses.
You could continue to use this card on the phone, but not on Windows.
I would still hesitate to recommend this, as there might exist other weak sectors.
In any case, even if you decide to use the card, do not trust it.
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