You are trying to set the bootable flag on a logical partition. The bootable flag is generally only useful on primary partitions, so setting it on logical partitions is normally discouraged. Some BIOS versions are known to fail to boot if there is no bootable primary partition.
በሎጂካዊ ክፋይ ላይ የተነሺ ሰንደቅን ለማቆም እየሞከሩ ነው። ተነሺ ሰንደቅ ብዙጊዜ በዋና ክፋዮች ላይ ነው የሚጠቅመው። ስለዚህ በሎጂካዊ ክፋዮች ላይ ማድረግ አይመከርም። አንዳንድ የBIOS ዝርያዎች ቡት የሚደረግ ዋና ክፋዮች ከሌሉ አይሰሩም።