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Windows Disk Partitioning Issues
Delete System Partition
http://edhammond.blogspot.com/2010/07/removing-100mb-system-reserved.html
Open an administrative command prompt
You should see:
Open Disk Management (diskmgmt.msc)
Right-click the C:\
partition and select Mark Partition as Active
Reboot to confirm that everything is working
You can now delete the 100Mb System Reserved partition by right clicking on it and selecting Delete volume