My WDTV Live Plus won't read my external hard drive. Are there file limitations? It is a 4tb easystore

[JoeySmyth]

Hard Drives over 2TB use GPT (GUID Partition Table)

Apparently, support for GPT was resolved with a Firmware Update.

Also, make sure your Hard Drive is formatted either NTFS, FAT32 or HFS

WDTV Media Players are not compatible with exFAT.

Important Notice Regarding Single USB Drives Greater than 2 TB's and WD TV Products

At this time, the WD TV product line does not support the use of single USB drives larger than 2 TB.  Doing so may cause corruption to the data, or damage to the partition.  Our dual and network drives larger than 2 TB’s can continue to be used with the WD TV products. WD is currently working on a remedy to this situation, and will notify our customers when it becomes available. This issue has been resolved for the WD TV Live, Live Plus, and the Live Hub in the latest firmware updates.  For …