Try this
1. Plug in the drive's SATA power cable *only* (not the data cable)
2. Boot the PC and let it sit for around 30 minutes.
3. With the PC power still on, plug in the SATA data cable. Do not disconnect the power.
4. Press the PC's reset switch.
Link: http://forum.crucial.com/t5/Solid-State-Drives-SSD/How-I-fixed-my-M4-that-wouldn-t-detect-in-the-BIOS/td-p/110964