Problem with HDD - extended partition cannot be undone- help Tags: Hard Drives Windows 7 Partition Storage Last response: December 16, 2012 11:38 PM in Storage Share madhusudhanan December 16, 2012 11:07:38 PM i installed Windows7. it won't be booting from Hard disk after the completion of OS... and i can't able to format my drives... can you give me some tips... More about : problem hdd extended partition undone nukemaster a b $ Windows 7 a c 152 G Storage December 16, 2012 11:38:34 PM If you had been messing with the partitions and removed the "system reserved" partition. You would leave windows unable to boot. The windows cd has a Startup repair option that should be able to fix this for you. Worth a shot. m 0 l Can't find your answer ? Ask ! Publish Related resources Problem with HDD - extended partition cannot be undone- help Forum Help! Problem with extended Partition Under MS Windows XP Forum SolvedI cannot delete the extended partition on Maxtor 200gb Forum Help Cannot extend volume of Drive C partitioning for Vista Forum SolvedCant Install Win 7 and Cant extend / partition HDD Forum SolvedCannot format the first created partition on HDD and cannot install OS Forum Solved3TB HDD (Partition problem) Forum SolvedSecondary HDD is Primary Partitioned and Cannot be Formatted Forum Cannot Install Windows 8 on my Primary HDD.. It automatically creates system Partition in SSD Forum SolvedNeeds Help With HDD, Partition. and Formatting Forum SolvedNeed help with HDD partition(s) not visible Forum Extended partition problem Forum SolvedSATA HDD installation problems - don't want to partition Forum SolvedMotherboard cannot find hdd or ssd, help! Forum Solvedhelp! HDD problem? Hp P-7 1414 windows 8.1 Forum SolvedHELP! Cannot Shrink Partition!!!! Forum REINSTALL - 2 PROBLEMS - REACTIVATE & EXTENDED PARTITION Forum Help Disk cleanser desintegrated my partition from hdd Forum Tried to merge two partitions on HDD on laptop - now I cannot even boot BIOS Forum Windows cannot partition hard drive during clean installation -- really need help Forum More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !