format to re-install again

SSD (Solid State Drives) All Other SanDisk SSD
2

try using diskpart to clean the partition. Instructions are in the post linked below.

http://forums.sandisk.com/t5/SanDisk-Extreme-SSD/quot-Setup-was-unable-create-a-new-system-partition-quot-error/m-p/284070/highlight/true#M845