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USB/USB-C combo flash drive mounts and works on Windows and Android, but not macOS

tag-icon • tag-icon windows macos mount usb-flash-drive bad-sectors
USB/USB-C combo flash drive mounts and works on Windows and Android, but not macOS

I have a flash drive that supports both USB and USB-C. The problem with this flash drive is that it works on Windows, but not on macOS. Specifically:

  • The drive is exFAT-formatted and does not have encryption on it.
  • The drive works as expected on both USB ports on Windows.
  • This drive also works as expected when connected to my Android phone via USB-C (i.e. directly, not with a cable). I just copied some pet photos onto it.
  • The drive did work on macOS at one point; I was able to copy files onto it without issue.
  • I cannot mount or format the drive on macOS.
  • Running fsck_exfat /dev/disk2s1 on the drive returns the error message fsck_exfat: Can't open /dev/rdisk2s1: Operation not permitted.
  • I've backed up the files that the drive contained onto a separate disk drive. These files were copied without incident, and their contents do not appear to be corrupted.

I formatted the drive as ExFAT again, then verified it with H2testw. It reported no errors:

Test finished without errors.
You can now delete the test files *.h2w or verify them again.
Writing speed: 22.6 MByte/s
Reading speed: 86.5 MByte/s
H2testw v1.4

However, FakeFlashTest did identify problems:

FAKEFLASHTEST v1.1.4  [SSi]
[DRIVE 7]     114.5GiB USB SanDisk 3.2Gen1            
FFT - Quick Size Test (destructive)
L:     (no label)   [DRIVE 7]     114.5GiB USB SanDisk 3.2Gen1            

Writing marker blocks to drive 7 at 200MiB intervals.
*** ERROR *** writing to drive at Sector 240316334
WRITE ERROR: Sector = 240316334
WRITE ERROR: Sector = 239906734
WRITE ERROR: Sector = 239497134
WRITE ERROR: Sector = 239087534
WRITE ERROR: Sector = 238677934
WRITE ERROR: Sector = 238268334
WRITE ERROR: Sector = 237858734
WRITE ERROR: Sector = 237449134
WRITE ERROR: Sector = 237039534
WRITE ERROR: Sector = 236629934
WRITE ERROR: Sector = 236220334
WRITE ERROR: Sector = 235810734
WRITE ERROR: Sector = 235401134
WRITE ERROR: Sector = 234991534
WRITE ERROR: Sector = 234581934
WRITE ERROR: Sector = 234172334
WRITE ERROR: Sector = 233762734
WRITE ERROR: Sector = 233353134
WRITE ERROR: Sector = 232943534
WRITE ERROR: Sector = 232533934
WRITE ERROR: Sector = 232124334
WRITE ERROR: Sector = 231714734
WRITE ERROR: Sector = 231305134
WRITE ERROR: Sector = 230895534
WRITE ERROR: Sector = 230485934
WRITE ERROR: Sector = 230076334
WRITE ERROR: Sector = 229666734
WRITE ERROR: Sector = 229257134
WRITE ERROR: Sector = 228847534
WRITE ERROR: Sector = 228437934
5% complete  - 0 min 1 sec remaining
WRITE ERROR: Sector = 228028334
WRITE ERROR: Sector = 227618734
WRITE ERROR: Sector = 227209134
WRITE ERROR: Sector = 226799534
WRITE ERROR: Sector = 226389934
WRITE ERROR: Sector = 225980334
WRITE ERROR: Sector = 225570734
WRITE ERROR: Sector = 225161134
WRITE ERROR: Sector = 224751534
WRITE ERROR: Sector = 224341934
WRITE ERROR: Sector = 223932334
WRITE ERROR: Sector = 223522734
WRITE ERROR: Sector = 223113134
WRITE ERROR: Sector = 222703534
WRITE ERROR: Sector = 222293934
WRITE ERROR: Sector = 221884334
WRITE ERROR: Sector = 221474734
WRITE ERROR: Sector = 221065134
WRITE ERROR: Sector = 220655534
WRITE ERROR: Sector = 220245934
WRITE ERROR: Sector = 219836334
WRITE ERROR: Sector = 219426734
WRITE ERROR: Sector = 219017134
WRITE ERROR: Sector = 218607534
WRITE ERROR: Sector = 218197934
WRITE ERROR: Sector = 217788334
WRITE ERROR: Sector = 217378734
WRITE ERROR: Sector = 216969134
WRITE ERROR: Sector = 216559534
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WRITE ERROR: Sector = 216149934
WRITE ERROR: Sector = 215740334
WRITE ERROR: Sector = 215330734
WRITE ERROR: Sector = 214921134
WRITE ERROR: Sector = 214511534
WRITE ERROR: Sector = 214101934
WRITE ERROR: Sector = 213692334
WRITE ERROR: Sector = 213282734
WRITE ERROR: Sector = 212873134
WRITE ERROR: Sector = 212463534
WRITE ERROR: Sector = 212053934
WRITE ERROR: Sector = 211644334
WRITE ERROR: Sector = 211234734
WRITE ERROR: Sector = 210825134
WRITE ERROR: Sector = 210415534
WRITE ERROR: Sector = 210005934
WRITE ERROR: Sector = 209596334
WRITE ERROR: Sector = 209186734
WRITE ERROR: Sector = 208777134
WRITE ERROR: Sector = 208367534
WRITE ERROR: Sector = 207957934
WRITE ERROR: Sector = 207548334
WRITE ERROR: Sector = 207138734
WRITE ERROR: Sector = 206729134
WRITE ERROR: Sector = 206319534
WRITE ERROR: Sector = 205909934
WRITE ERROR: Sector = 205500334
WRITE ERROR: Sector = 205090734
WRITE ERROR: Sector = 204681134
WRITE ERROR: Sector = 204271534
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WRITE ERROR: Sector = 203861934
WRITE ERROR: Sector = 203452334
WRITE ERROR: Sector = 203042734
WRITE ERROR: Sector = 202633134
WRITE ERROR: Sector = 202223534
WRITE ERROR: Sector = 201813934
WRITE ERROR: Sector = 201404334
WRITE ERROR: Sector = 200994734
WRITE ERROR: Sector = 200585134
WRITE ERROR: Sector = 200175534
WRITE ERROR: Sector = 199765934
WRITE ERROR: Sector = 199356334
WRITE ERROR: Sector = 198946734
WRITE ERROR: Sector = 198537134
WRITE ERROR: Sector = 198127534
WRITE ERROR: Sector = 197717934
WRITE ERROR: Sector = 197308334
WRITE ERROR: Sector = 196898734
WRITE ERROR: Sector = 196489134
WRITE ERROR: Sector = 196079534
WRITE ERROR: Sector = 195669934
WRITE ERROR: Sector = 195260334
WRITE ERROR: Sector = 194850734
WRITE ERROR: Sector = 194441134
WRITE ERROR: Sector = 194031534
WRITE ERROR: Sector = 193621934
WRITE ERROR: Sector = 193212334
WRITE ERROR: Sector = 192802734
WRITE ERROR: Sector = 192393134
20% complete  - 0 min 1 sec remaining
WRITE ERROR: Sector = 191983534
WRITE ERROR: Sector = 191573934
WRITE ERROR: Sector = 191164334
WRITE ERROR: Sector = 190754734
WRITE ERROR: Sector = 190345134
WRITE ERROR: Sector = 189935534
WRITE ERROR: Sector = 189525934
WRITE ERROR: Sector = 189116334
WRITE ERROR: Sector = 188706734
WRITE ERROR: Sector = 188297134
WRITE ERROR: Sector = 187887534
WRITE ERROR: Sector = 187477934
WRITE ERROR: Sector = 187068334
WRITE ERROR: Sector = 186658734
WRITE ERROR: Sector = 186249134
WRITE ERROR: Sector = 185839534
WRITE ERROR: Sector = 185429934
WRITE ERROR: Sector = 185020334
WRITE ERROR: Sector = 184610734
WRITE ERROR: Sector = 184201134
WRITE ERROR: Sector = 183791534
WRITE ERROR: Sector = 183381934
WRITE ERROR: Sector = 182972334
WRITE ERROR: Sector = 182562734
WRITE ERROR: Sector = 182153134
WRITE ERROR: Sector = 181743534
WRITE ERROR: Sector = 181333934
WRITE ERROR: Sector = 180924334
WRITE ERROR: Sector = 180514734
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WRITE ERROR: Sector = 180105134
WRITE ERROR: Sector = 179695534
WRITE ERROR: Sector = 179285934
WRITE ERROR: Sector = 178876334
WRITE ERROR: Sector = 178466734
WRITE ERROR: Sector = 178057134
WRITE ERROR: Sector = 177647534
WRITE ERROR: Sector = 177237934
WRITE ERROR: Sector = 176828334
WRITE ERROR: Sector = 176418734
WRITE ERROR: Sector = 176009134
WRITE ERROR: Sector = 175599534
WRITE ERROR: Sector = 175189934
WRITE ERROR: Sector = 174780334
WRITE ERROR: Sector = 174370734
WRITE ERROR: Sector = 173961134
WRITE ERROR: Sector = 173551534
WRITE ERROR: Sector = 173141934
WRITE ERROR: Sector = 172732334
WRITE ERROR: Sector = 172322734
WRITE ERROR: Sector = 171913134
WRITE ERROR: Sector = 171503534
WRITE ERROR: Sector = 171093934
WRITE ERROR: Sector = 170684334
WRITE ERROR: Sector = 170274734
WRITE ERROR: Sector = 169865134
WRITE ERROR: Sector = 169455534
WRITE ERROR: Sector = 169045934
WRITE ERROR: Sector = 168636334
WRITE ERROR: Sector = 168226734
30% complete  - 0 min 3 sec  remaining
WRITE ERROR: Sector = 167817134
WRITE ERROR: Sector = 167407534
WRITE ERROR: Sector = 166997934
WRITE ERROR: Sector = 166588334
WRITE ERROR: Sector = 166178734
WRITE ERROR: Sector = 165769134
WRITE ERROR: Sector = 165359534
WRITE ERROR: Sector = 164949934
WRITE ERROR: Sector = 164540334
WRITE ERROR: Sector = 164130734
WRITE ERROR: Sector = 163721134
WRITE ERROR: Sector = 163311534
WRITE ERROR: Sector = 162901934
WRITE ERROR: Sector = 162492334
WRITE ERROR: Sector = 162082734
WRITE ERROR: Sector = 161673134
WRITE ERROR: Sector = 161263534
WRITE ERROR: Sector = 160853934
WRITE ERROR: Sector = 160444334
WRITE ERROR: Sector = 160034734
WRITE ERROR: Sector = 159625134
WRITE ERROR: Sector = 159215534
WRITE ERROR: Sector = 158805934
WRITE ERROR: Sector = 158396334
WRITE ERROR: Sector = 157986734
WRITE ERROR: Sector = 157577134
WRITE ERROR: Sector = 157167534
WRITE ERROR: Sector = 156757934
WRITE ERROR: Sector = 156348334
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WRITE ERROR: Sector = 155938734
WRITE ERROR: Sector = 155529134
WRITE ERROR: Sector = 155119534
WRITE ERROR: Sector = 154709934
WRITE ERROR: Sector = 154300334
WRITE ERROR: Sector = 153890734
WRITE ERROR: Sector = 153481134
WRITE ERROR: Sector = 153071534
WRITE ERROR: Sector = 152661934
WRITE ERROR: Sector = 152252334
WRITE ERROR: Sector = 151842734
WRITE ERROR: Sector = 151433134
WRITE ERROR: Sector = 151023534
WRITE ERROR: Sector = 150613934
WRITE ERROR: Sector = 150204334
WRITE ERROR: Sector = 149794734
WRITE ERROR: Sector = 149385134
WRITE ERROR: Sector = 148975534
WRITE ERROR: Sector = 148565934
WRITE ERROR: Sector = 148156334
WRITE ERROR: Sector = 147746734
WRITE ERROR: Sector = 147337134
WRITE ERROR: Sector = 146927534
WRITE ERROR: Sector = 146517934
WRITE ERROR: Sector = 146108334
WRITE ERROR: Sector = 145698734
WRITE ERROR: Sector = 145289134
WRITE ERROR: Sector = 144879534
WRITE ERROR: Sector = 144469934
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WRITE ERROR: Sector = 144060334
WRITE ERROR: Sector = 143650734
WRITE ERROR: Sector = 143241134
WRITE ERROR: Sector = 142831534
WRITE ERROR: Sector = 142421934
WRITE ERROR: Sector = 142012334
WRITE ERROR: Sector = 141602734
WRITE ERROR: Sector = 141193134
WRITE ERROR: Sector = 140783534
WRITE ERROR: Sector = 140373934
WRITE ERROR: Sector = 139964334
WRITE ERROR: Sector = 139554734
WRITE ERROR: Sector = 139145134
WRITE ERROR: Sector = 138735534
WRITE ERROR: Sector = 138325934
WRITE ERROR: Sector = 137916334
WRITE ERROR: Sector = 137506734
WRITE ERROR: Sector = 137097134
WRITE ERROR: Sector = 136687534
WRITE ERROR: Sector = 136277934
WRITE ERROR: Sector = 135868334
WRITE ERROR: Sector = 135458734
WRITE ERROR: Sector = 135049134
WRITE ERROR: Sector = 134639534
WRITE ERROR: Sector = 134229934
WRITE ERROR: Sector = 133820334
WRITE ERROR: Sector = 133410734
WRITE ERROR: Sector = 133001134
WRITE ERROR: Sector = 132591534
WRITE ERROR: Sector = 132181934
45% complete  - 0 min 2 sec  remaining
WRITE ERROR: Sector = 131772334
WRITE ERROR: Sector = 131362734
WRITE ERROR: Sector = 130953134
WRITE ERROR: Sector = 130543534
WRITE ERROR: Sector = 130133934
WRITE ERROR: Sector = 129724334
WRITE ERROR: Sector = 129314734
WRITE ERROR: Sector = 128905134
WRITE ERROR: Sector = 128495534
WRITE ERROR: Sector = 128085934
WRITE ERROR: Sector = 127676334
WRITE ERROR: Sector = 127266734
WRITE ERROR: Sector = 126857134
WRITE ERROR: Sector = 126447534
WRITE ERROR: Sector = 126037934
WRITE ERROR: Sector = 125628334
WRITE ERROR: Sector = 125218734
WRITE ERROR: Sector = 124809134
WRITE ERROR: Sector = 124399534
WRITE ERROR: Sector = 123989934
WRITE ERROR: Sector = 123580334
WRITE ERROR: Sector = 123170734
WRITE ERROR: Sector = 122761134
WRITE ERROR: Sector = 122351534
WRITE ERROR: Sector = 121941934
WRITE ERROR: Sector = 121532334
WRITE ERROR: Sector = 121122734
WRITE ERROR: Sector = 120713134
WRITE ERROR: Sector = 120303534
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WRITE ERROR: Sector = 119893934
WRITE ERROR: Sector = 119484334
WRITE ERROR: Sector = 119074734
WRITE ERROR: Sector = 118665134
WRITE ERROR: Sector = 118255534
WRITE ERROR: Sector = 117845934
WRITE ERROR: Sector = 117436334
WRITE ERROR: Sector = 117026734
WRITE ERROR: Sector = 116617134
WRITE ERROR: Sector = 116207534
WRITE ERROR: Sector = 115797934
WRITE ERROR: Sector = 115388334
WRITE ERROR: Sector = 114978734
WRITE ERROR: Sector = 114569134
WRITE ERROR: Sector = 114159534
WRITE ERROR: Sector = 113749934
WRITE ERROR: Sector = 113340334
WRITE ERROR: Sector = 112930734
WRITE ERROR: Sector = 112521134
WRITE ERROR: Sector = 112111534
WRITE ERROR: Sector = 111701934
WRITE ERROR: Sector = 111292334
WRITE ERROR: Sector = 110882734
WRITE ERROR: Sector = 110473134
WRITE ERROR: Sector = 110063534
WRITE ERROR: Sector = 109653934
WRITE ERROR: Sector = 109244334
WRITE ERROR: Sector = 108834734
WRITE ERROR: Sector = 108425134
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WRITE ERROR: Sector = 108015534
WRITE ERROR: Sector = 107605934
WRITE ERROR: Sector = 107196334
WRITE ERROR: Sector = 106786734
WRITE ERROR: Sector = 106377134
WRITE ERROR: Sector = 105967534
WRITE ERROR: Sector = 105557934
WRITE ERROR: Sector = 105148334
WRITE ERROR: Sector = 104738734
WRITE ERROR: Sector = 104329134
WRITE ERROR: Sector = 103919534
WRITE ERROR: Sector = 103509934
WRITE ERROR: Sector = 103100334
WRITE ERROR: Sector = 102690734
WRITE ERROR: Sector = 102281134
WRITE ERROR: Sector = 101871534
WRITE ERROR: Sector = 101461934
WRITE ERROR: Sector = 101052334
WRITE ERROR: Sector = 100642734
WRITE ERROR: Sector = 100233134
WRITE ERROR: Sector = 99823534
WRITE ERROR: Sector = 99413934
WRITE ERROR: Sector = 99004334
WRITE ERROR: Sector = 98594734
WRITE ERROR: Sector = 98185134
WRITE ERROR: Sector = 97775534
WRITE ERROR: Sector = 97365934
WRITE ERROR: Sector = 96956334
WRITE ERROR: Sector = 96546734
WRITE ERROR: Sector = 96137134
60% complete  - 0 min 2 sec  remaining
WRITE ERROR: Sector = 95727534
WRITE ERROR: Sector = 95317934
WRITE ERROR: Sector = 94908334
WRITE ERROR: Sector = 94498734
WRITE ERROR: Sector = 94089134
WRITE ERROR: Sector = 93679534
WRITE ERROR: Sector = 93269934
WRITE ERROR: Sector = 92860334
WRITE ERROR: Sector = 92450734
WRITE ERROR: Sector = 92041134
WRITE ERROR: Sector = 91631534
WRITE ERROR: Sector = 91221934
WRITE ERROR: Sector = 90812334
WRITE ERROR: Sector = 90402734
WRITE ERROR: Sector = 89993134
WRITE ERROR: Sector = 89583534
WRITE ERROR: Sector = 89173934
WRITE ERROR: Sector = 88764334
WRITE ERROR: Sector = 88354734
WRITE ERROR: Sector = 87945134
WRITE ERROR: Sector = 87535534
WRITE ERROR: Sector = 87125934
WRITE ERROR: Sector = 86716334
WRITE ERROR: Sector = 86306734
WRITE ERROR: Sector = 85897134
WRITE ERROR: Sector = 85487534
WRITE ERROR: Sector = 85077934
WRITE ERROR: Sector = 84668334
WRITE ERROR: Sector = 84258734
65% complete  - 0 min 2 sec  remaining
WRITE ERROR: Sector = 83849134
WRITE ERROR: Sector = 83439534
WRITE ERROR: Sector = 83029934
WRITE ERROR: Sector = 82620334
WRITE ERROR: Sector = 82210734
WRITE ERROR: Sector = 81801134
WRITE ERROR: Sector = 81391534
WRITE ERROR: Sector = 80981934
WRITE ERROR: Sector = 80572334
WRITE ERROR: Sector = 80162734
WRITE ERROR: Sector = 79753134
WRITE ERROR: Sector = 79343534
WRITE ERROR: Sector = 78933934
WRITE ERROR: Sector = 78524334
WRITE ERROR: Sector = 78114734
WRITE ERROR: Sector = 77705134
WRITE ERROR: Sector = 77295534
WRITE ERROR: Sector = 76885934
WRITE ERROR: Sector = 76476334
WRITE ERROR: Sector = 76066734
WRITE ERROR: Sector = 75657134
WRITE ERROR: Sector = 75247534
WRITE ERROR: Sector = 74837934
WRITE ERROR: Sector = 74428334
WRITE ERROR: Sector = 74018734
WRITE ERROR: Sector = 73609134
WRITE ERROR: Sector = 73199534
WRITE ERROR: Sector = 72789934
WRITE ERROR: Sector = 72380334
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WRITE ERROR: Sector = 71970734
WRITE ERROR: Sector = 71561134
WRITE ERROR: Sector = 71151534
WRITE ERROR: Sector = 70741934
WRITE ERROR: Sector = 70332334
WRITE ERROR: Sector = 69922734
WRITE ERROR: Sector = 69513134
WRITE ERROR: Sector = 69103534
WRITE ERROR: Sector = 68693934
WRITE ERROR: Sector = 68284334
WRITE ERROR: Sector = 67874734
WRITE ERROR: Sector = 67465134
WRITE ERROR: Sector = 67055534
WRITE ERROR: Sector = 66645934
WRITE ERROR: Sector = 66236334
WRITE ERROR: Sector = 65826734
WRITE ERROR: Sector = 65417134
WRITE ERROR: Sector = 65007534
WRITE ERROR: Sector = 64597934
WRITE ERROR: Sector = 64188334
WRITE ERROR: Sector = 63778734
WRITE ERROR: Sector = 63369134
WRITE ERROR: Sector = 62959534
WRITE ERROR: Sector = 62549934
WRITE ERROR: Sector = 62140334
WRITE ERROR: Sector = 61730734
WRITE ERROR: Sector = 61321134
WRITE ERROR: Sector = 60911534
WRITE ERROR: Sector = 60501934
WRITE ERROR: Sector = 60092334
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WRITE ERROR: Sector = 59682734
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WRITE ERROR: Sector = 58863534
WRITE ERROR: Sector = 58453934
WRITE ERROR: Sector = 58044334
WRITE ERROR: Sector = 57634734
WRITE ERROR: Sector = 57225134
WRITE ERROR: Sector = 56815534
WRITE ERROR: Sector = 56405934
WRITE ERROR: Sector = 55996334
WRITE ERROR: Sector = 55586734
WRITE ERROR: Sector = 55177134
WRITE ERROR: Sector = 54767534
WRITE ERROR: Sector = 54357934
WRITE ERROR: Sector = 53948334
WRITE ERROR: Sector = 53538734
WRITE ERROR: Sector = 53129134
WRITE ERROR: Sector = 52719534
WRITE ERROR: Sector = 52309934
WRITE ERROR: Sector = 51900334
WRITE ERROR: Sector = 51490734
WRITE ERROR: Sector = 51081134
WRITE ERROR: Sector = 50671534
WRITE ERROR: Sector = 50261934
WRITE ERROR: Sector = 49852334
WRITE ERROR: Sector = 49442734
WRITE ERROR: Sector = 49033134
WRITE ERROR: Sector = 48623534
WRITE ERROR: Sector = 48213934
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WRITE ERROR: Sector = 47804334
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WRITE ERROR: Sector = 46985134
WRITE ERROR: Sector = 46575534
WRITE ERROR: Sector = 46165934
WRITE ERROR: Sector = 45756334
WRITE ERROR: Sector = 45346734
WRITE ERROR: Sector = 44937134
WRITE ERROR: Sector = 44527534
WRITE ERROR: Sector = 44117934
WRITE ERROR: Sector = 43708334
WRITE ERROR: Sector = 43298734
WRITE ERROR: Sector = 42889134
WRITE ERROR: Sector = 42479534
WRITE ERROR: Sector = 42069934
WRITE ERROR: Sector = 41660334
WRITE ERROR: Sector = 41250734
WRITE ERROR: Sector = 40841134
WRITE ERROR: Sector = 40431534
WRITE ERROR: Sector = 40021934
WRITE ERROR: Sector = 39612334
WRITE ERROR: Sector = 39202734
WRITE ERROR: Sector = 38793134
WRITE ERROR: Sector = 38383534
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WRITE ERROR: Sector = 37564334
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WRITE ERROR: Sector = 34287534
WRITE ERROR: Sector = 33877934
WRITE ERROR: Sector = 33468334
WRITE ERROR: Sector = 33058734
WRITE ERROR: Sector = 32649134
WRITE ERROR: Sector = 32239534
WRITE ERROR: Sector = 31829934
WRITE ERROR: Sector = 31420334
WRITE ERROR: Sector = 31010734
WRITE ERROR: Sector = 30601134
WRITE ERROR: Sector = 30191534
WRITE ERROR: Sector = 29781934
WRITE ERROR: Sector = 29372334
WRITE ERROR: Sector = 28962734
WRITE ERROR: Sector = 28553134
WRITE ERROR: Sector = 28143534
WRITE ERROR: Sector = 27733934
WRITE ERROR: Sector = 27324334
WRITE ERROR: Sector = 26914734
WRITE ERROR: Sector = 26505134
WRITE ERROR: Sector = 26095534
WRITE ERROR: Sector = 25685934
WRITE ERROR: Sector = 25276334
WRITE ERROR: Sector = 24866734
WRITE ERROR: Sector = 24457134
WRITE ERROR: Sector = 24047534
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WRITE ERROR: Sector = 23637934
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WRITE ERROR: Sector = 21999534
WRITE ERROR: Sector = 21589934
WRITE ERROR: Sector = 21180334
WRITE ERROR: Sector = 20770734
WRITE ERROR: Sector = 20361134
WRITE ERROR: Sector = 19951534
WRITE ERROR: Sector = 19541934
WRITE ERROR: Sector = 19132334
WRITE ERROR: Sector = 18722734
WRITE ERROR: Sector = 18313134
WRITE ERROR: Sector = 17903534
WRITE ERROR: Sector = 17493934
WRITE ERROR: Sector = 17084334
WRITE ERROR: Sector = 16674734
WRITE ERROR: Sector = 16265134
WRITE ERROR: Sector = 15855534
WRITE ERROR: Sector = 15445934
WRITE ERROR: Sector = 15036334
WRITE ERROR: Sector = 14626734
WRITE ERROR: Sector = 14217134
WRITE ERROR: Sector = 13807534
WRITE ERROR: Sector = 13397934
WRITE ERROR: Sector = 12988334
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WRITE ERROR: Sector = 8892334
WRITE ERROR: Sector = 8482734
WRITE ERROR: Sector = 8073134
WRITE ERROR: Sector = 7663534
WRITE ERROR: Sector = 7253934
WRITE ERROR: Sector = 6844334
WRITE ERROR: Sector = 6434734
WRITE ERROR: Sector = 6025134
WRITE ERROR: Sector = 5615534
WRITE ERROR: Sector = 5205934
WRITE ERROR: Sector = 4796334
WRITE ERROR: Sector = 4386734
WRITE ERROR: Sector = 3977134
WRITE ERROR: Sector = 3567534
WRITE ERROR: Sector = 3157934
WRITE ERROR: Sector = 2748334
WRITE ERROR: Sector = 2338734
WRITE ERROR: Sector = 1929134
WRITE ERROR: Sector = 1519534
WRITE ERROR: Sector = 1109934
WRITE ERROR: Sector = 700334
WRITE ERROR: Sector = 290734
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Reading back marker blocks...
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Memory tested in blocks of 409600 sectors [586sectors checked].

BAD MEMORY from sector 700334 (341.9599MiB) to sector 240316334 (117,341.9599Mib)

WARNING: no memory detected at one or more locations.
Test took 4 seconds.
586 sectors checked.
                         *** FAILED ***

DEVICE HAS DUPLICATE OR BAD BLOCKS!

Recommended maximum usable partition size: 141.9599Mib (approx. Last good Sector=700334)

Unplug and re-connect the drive, then reformat it using Windows or RMPrepUSB.

Any tips?

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