But the moment the computer sleeps with card inside, the reader disappears until next reboot, no matter what. I can put a card in and have it recognized propertly after any number of card-free sleep-wake cycles.
The computer can go to sleep and wake up many times without a card inserted without the device disappearing. But putting it back to sleep afterwards causes the same behavior - the card and reader disappear until reboot. Putting the card in for the first time while the computer is asleep is okay - the card appears when the computer is awakened.
Neither does adding an event to the Task Scheduler to disable the device prior to sleep and re-enable it on wake (it doesn't re-enable, the entire device vanishes). That's right, plugging the card (or any other card) into and out of the slot doens't fix it. When it awakens, the card is gone - even from the device manager - until the computer is rebooted. Until, of course, the computer goes to sleep. I've reinstalled Windows 7 Pro 圆4 multiple times using up-to-date boot camp assistant and Apple Support Drivers. I've tried it with various cards with different filesystems (FAT32, NTFS, EXFAT) and capacities (32GB, 64GB, 128GB) - always the same. Here's the thing: the SD Card (the slot, the device, the card, the folder, the drive, everything) just vanishes after the MBA wakes up from sleep. But I have a problem that is proving to be quite the frustrating little niggle, and I just can't sort it out. Its speedy Core i7 and lightening-fast 256GB SSD make for quite a wonderful experience in Windows 7, too.
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