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preview issue

About this tag
The preview issue tag on WindowsForum.com covers problems with file previews and thumbnails not displaying correctly in Windows. A common scenario involves USB drives attached to a NAS where thumbnails fail to generate after a short period, while local and other network files preview normally. This issue has been reported on Windows 7 64-bit systems, with folder options like 'Always show icons, never thumbnails' being a potential factor. Discussions focus on troubleshooting preview failures, comparing behavior across multiple machines, and identifying settings or drivers that affect thumbnail generation. The tag is relevant for users experiencing inconsistent or missing previews in File Explorer.
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    Windows 7 Thumbnails on USB drive attached to NAS not previewing

    From a fresh start up of the computer, I can get my thumbnails to generate any where on my computer, the NAS, or the USB attached to the NAS. However, after a short period (not specific, can be 5 mins or 30 mins), the USB drive attached to the NAS will no longer generate thumbnails, however...
    • Gambler71
    • Thread
    • 64-bit clean install computer issues device management drive recognition file explorer file format icon display nas network storage performance preview issue restart thumbnail cache thumbnail settings thumbnails troubleshooting usb windows 7 windows ultimate
    • Replies: 1
    • Forum: Windows Help and Support
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