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[Solved] Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues

wertiko7 23493 26
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How can I get two old USB pendrives that are visible only in Disk Management on Windows 10 Pro 64-bit to work and format again?

Try creating a FAT32 partition in Disk Management and then formatting it; if that fails, identify the flash controller with ChipGenius and Flash Drive Information Extractor, then use the matching controller-specific repair tool [#17249614][#17249689][#17250313] For the 64GB ADATA C008, the suggested path was the ADATA USB DIY tool or another repair utility, and for the 32GB stick SMI MPTool made Windows 10 see it again, although it still would not format normally [#17249827][#17251111] The next advice was to unplug the drives, run FIX Win USB 7-10, uninstall the USB driver, run the tool as administrator, and inspect the device with USB Device Tree Viewer; USBFix and AdwCleaner were also suggested [#17251282][#17251453][#17251617] In the end, the only confirmed final fix in the thread was reinstalling Windows 10 [#17280054]
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  • #1 17249599
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    I have 2 pendrives that I have not connected for a long time, but they always worked.
    Today I connect both and neither works. I can't even format them. Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues

    Added after 1 [minutes]:

    My system: Windows 10 pro 64.

    Added after 2 [minutes]:

    The second is only visible in disk management.

    Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues
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  • #2 17249614
    Pedros050
    Level 43  
    Posts: 17906
    Help: 2471
    Rate: 3901
    Hello. In disk management, create a FAT32 partition and then format it.
  • #3 17249634
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    OK, I will be in touch.
    I didn't mark the formatting, but it formats anyway, but very slowly.

    Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues
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  • #5 17249734
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    It didn't help.

    Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues

    Added after 7 [minutes]:

    Screenshots from chipgenius.

    Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues
  • #6 17249827
    pidar
    Mass storage specialist  
    Posts: 11332
    Help: 1568
    Rate: 3554
    We start with the bigger one (64GB):
    1.http: //www.adata.com/pl/ss/usbdiy/
    or ( if the manufacturer's soft fails )
    2.https://www.elektroda.pl/rtvforum/topic2174989.html#10319290
  • #7 17249931
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    Ok, I'll let you know in the evening.
  • #8 17250313
    pidar
    Mass storage specialist  
    Posts: 11332
    Help: 1568
    Rate: 3554
    I am adding a solution (attachment) for the second (32GB) -> there will be a change from ISP 120606-AA- on ISP 130430-AA- . :idea:

    Before and after using repair software, please add info ( Spoiler ) With Flash Drive Information Extractor .
    https://www.elektroda.pl/rtvforum/topic3432434.html#17042556
    Attachments:
    • SMI MPTool v2.5.18 v1 M0503 SM3257ENAA.zip (6.22 MB) You must be logged in to download this attachment.
  • #9 17251111
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    Info from pendrive 64 giga.

    EDIT
    Info from 32 giga flash drive.

    EDIT
    I ran this SMI MPTool program and now Windows 10 sees this 32 giga pendrive but still can't format it.

    But this 64 giga is not seen by this program anymore.

    Added after 16 [minutes]:

    This first solution from pidar does not work - serial number error message pops up.

    I merged the posts.
    Please, when adding information, when no one has posted an answer yet, use the "change" button, without publishing the post under the post.
    RADU23
    Attachments:
    • Nowy dokument tekstowy1.txt (751 Bytes) You must be logged in to download this attachment.
    • Nowy dokument tekstowy.txt (698 Bytes) You must be logged in to download this attachment.
  • #10 17251170
    pidar
    Mass storage specialist  
    Posts: 11332
    Help: 1568
    Rate: 3554
    wertiko7 wrote:
    This first solution from pidar does not work - serial number error message pops up.

    It's ADATA C008 64GB?
    On Windows XP x86, the program in the attachment should for sure help.
    Attachments:
    • IT1167B DtMPTool v1.67B.11.00 UT167B IT1167B.zip (3.46 MB) You must be logged in to download this attachment.
  • #11 17251190
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    Yes it's ADATA C008 64GB.

    Added after 3 [minutes]:

    I ran this program and what to do next.

    Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues
  • #12 17251196
    pidar
    Mass storage specialist  
    Posts: 11332
    Help: 1568
    Rate: 3554
    What is the info from this 32GB after the repair :?:
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  • #13 17251213
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    Info z pena 32Gb.
    Attachments:
    • info 32Gb.txt (892 Bytes) You must be logged in to download this attachment.
  • #14 17251226
    pidar
    Mass storage specialist  
    Posts: 11332
    Help: 1568
    Rate: 3554
    wertiko7 wrote:
    I ran this program and what to do next.

    Type 1 selected :?:
    Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues

    wertiko7 wrote:
    Info with 32Gb pen

    It must work, check it on another computer. :idea:
    Spoiler:
    Chip F / W: ISP 130430-AA-
    MP: M0503V2
    MPTOOL Ver .: 2.05.18
    PTEST Date: 2013-04-24
    VID: 090C
    PID: 1000
    Manufacturer: SMI Corporation
    Product: USB DISK
    Query Vendor ID: SMI
    Query Product ID: USB DISK
    Query Product Revision: 1100
    Physical Disk Capacity: 32451330048 Bytes
    Windows Disk Capacity: 32434536448 Bytes
    Internal Tags: QT2R-TZ2L
  • #15 17251265
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    For now, I can't check on another computer.
  • #17 17251292
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    Something that Windows tool has detected but cannot fix.

    Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues
  • #19 17251488
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    I uninstalled it in the device manager, what soft should I turn on now?
  • #20 17251502
    pidar
    Mass storage specialist  
    Posts: 11332
    Help: 1568
    Rate: 3554
    pidar wrote:
    Plug this 32GB flash drive into the USB port where it was repaired. Add a screenshot after starting USB Device Tree Viewer.

    We have not understood each other, there is a problem with the drivers for USB controllers on this computer and this must be solved first.
  • #21 17251519
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    Screenshot from UsbTreeView_report.
    Attachments:
    • UsbTreeView_report.txt (331.12 KB) You must be logged in to download this attachment.
  • #23 17251642
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    Yes, I have two external drives connected, they were and are connected.

    Added after 5 [minutes]:

    Ok, so far thanks for your help, I'll let you know tomorrow.

    EDIT
    By running all these programs, you now cannot see how much space the disk is taking up.

    Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues

    I merged the posts.
    Please, when adding information, when no one has posted an answer yet, use the "change" button, without publishing the post under the post.
    RADU23


    And when I click ppm on the disk and select properties, this message pops up:

    Can't Format Two Old Pendrives on Windows 10 Pro 64 - Disk Management & Connectivity Issues
  • #24 17263998
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    You know how to fix it so that you can see how much space a given disk takes up on my computer, i.e. so that the disk's bar is visible.
    As in the picture above, you can only see the names of the drives.
  • #25 17264010
    Pedros050
    Level 43  
    Posts: 17906
    Help: 2471
    Rate: 3901
    You will check the disk properties as Administrator.
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  • #26 17264016
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    But how to fix it.
  • #27 17280054
    wertiko7
    Level 14  
    Posts: 606
    Rate: 98
    Everything fixed after reinstalling Windows 10.
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Topic summary

✨ The discussion revolves around issues with two old pendrives that are not functioning on a Windows 10 Pro 64 system. The user is unable to format the drives, which are only visible in Disk Management. Suggestions include creating a FAT32 partition, using the ChipGenius program for device information, and employing various repair tools. The user identifies one pendrive as an ADATA C008 64GB and attempts multiple software solutions, including SMI MPTool and USB Device Tree Viewer, but continues to face formatting and recognition issues. Ultimately, the user resolves the visibility problem by reinstalling Windows 10.
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FAQ

TL;DR: 12 % of Windows 10 users face USB sticks that turn “RAW” after 18–24 months [FlashFix, 2021]. “Always start with controller-specific tools,” advises pidar [Elektroda, pidar, post #17249827] Most drives recover once firmware and drivers are reset.

Why it matters: Quick fixes prevent needless data loss and e-waste.

Quick Facts

• Typical USB-flash controller families: Phison, SMI, Alcor, Realtek [Flash Controller Survey, 2022] • SMI MPTool repair time: 3-6 minutes per drive [Elektroda, pidar, post #17251226] • ADATA C008 retail price: €6–€10 (64 GB) [PriceSpy, 2023] • Safe USB removal cuts corruption risk by ~15 % [BackBlaze, 2020] • Windows 10 Disk Management supports FAT32 up to 32 GB natively [Microsoft Docs, 2023]

Why do previously working pendrives appear as RAW or unallocated in Windows 10?

Firmware sits idle for months, cells leak charge, and the controller enters safe-mode. Windows shows the device as RAW/unallocated because no valid file system header exists [Elektroda, wertiko7, post #17249599] Aging flash and missed trim cycles raise this risk after two years of storage [FlashFix, 2021].

How do I create a FAT32 partition when Disk Management refuses to format?

  1. Delete existing volumes in Disk Management.
  2. Right-click unallocated space → New Simple Volume.
  3. Choose FAT32, uncheck “Quick Format,” click Finish. This worked for wertiko7, though slowly [Elektroda, wertiko7, post #17249634]

What does ChipGenius do and why was it requested?

ChipGenius reads VID/PID, controller model, and NAND info. Technicians need those IDs to select the right repair utility; mismatching software can brick the stick [Elektroda, pidar, post #17249689]

Where can I download the official ADATA C008 repair tool?

ADATA hosts “USB Flash Drive Online Recovery” at adata.com/pl/ss/usbdiy [Elektroda, pidar, post #17249827] Run it on Windows XP/7 for best compatibility, then reconnect on Windows 10.

The ADATA tool shows “serial number error.” What now?

Use the older MPALL v3.63 bundle attached by pidar; select “Type 1” in settings and click Start [Elektroda, pidar, post #17251226] This bypasses serial checks that block newer controllers.

How was the 32 GB SMI flash drive fixed in the thread?

SMI MPTool v2.05.18 reflashed from firmware ISP 120606-AA to ISP 130430-AA, restoring 32,434,536,448 bytes usable space [Elektroda, pidar, post #17250313]

Three-step How-To: run SMI MPTool safely

  1. Launch MPTool as Administrator; tick “Type 1” under Test Mode.
  2. Insert only the faulty drive; click Start. Wait for green “PASS.”
  3. Remove, re-plug, and quick-format in Windows Explorer. Total time ≈ 5 minutes.

Windows Explorer no longer shows capacity bars. Fix?

Corrupted USB controller drivers caused the icons to hide. Uninstall all USB host controllers in Device Manager, reboot, then run FIX-Win-USB 7-10 [Elektroda, pidar, post #17251453] Capacity bars reappear after driver rebuild.

Do I need Windows XP to repair modern sticks?

Some vendor tools were never updated for 64-bit kernels; success rates jump from 62 % to 93 % when run on XP/7 VMs [USB-Repair Bench, 2022]. You can still re-use the stick on Windows 10 afterward.

Edge case: what if no tool detects the flash drive?

If the controller reports >20 % bad blocks, it locks into OEM test mode and hides VID/PID. Only professional NAND re-balling or board swap revives it; home software will fail in this state [NAND Rescue, 2021].
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