The card could not be accessed. This memory card cannot be used. The phone won't read SD card Can't view SD card files SD card drive letter is missing Why won't my computer/phone read my SD card? There may be a number of reasons why your system is unable to recognize or read ...
that's good Windows (XP, Vista, and Windows 7) needs a certain amount of "overhead" (free disk space) if it's to operate efficiently. If it doesn't have that space, your processor has to "page out", which will slow everything down considerably. So ideally you need at...