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#Show recovery partition mac os el capitan update
The prerequisites are the latest firmware update installed, either ethernet or WLAN (WPA/WPA2) and a router with DHCP activated. And you can't remove a partition used as a boot volume. Booting to Recovery Mode is not conducive because the Recovery HD will be removed in one of the steps below. Restart to Internet Recovery Mode by pressing alt cmd R at startup. Attach a backup drive and use Time Machine to backup BOOTCAMP.
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I recommend the latter because removing one partition will not increase the size of the second partition! You may either remove the partition Macintosh H or repartition the internal drive.
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Therefore you can't easily reclaim empty space with a lower start block and an arbitrary size and add it contiguously to existing CoreStorage or non-CoreStorage volumes. AFAIK only iPartition and gparted work for the latter. The same is valid for non-CoreStorage partitions with on-board tools. You can't move the start block of a CoreStorage Volume Group ("BOOTCAMP" in your case) non-destructively (OK, there is a workaround: please check the Scattered Physical Volumes method at the end of my answer).