Nikon D300 not detected [was: lightroom]

[patrickd6266813]

my adobe lightroom does not detect my nikon d300, how can i fix it?

[dj_paige]

Explain further. Provide details. If there is an error message, quote the exact word-for-word error message. Show us screen captures (include screen captures in your reply by clicking on the "Insert Photos" icon; do not attach files).

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