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Disk Utility show WRONG hard drive size, No boot


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Georgiles

Georgiles

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Please help me:

1. I can only boot with DVD inside. Why?
2. My HDD is 250 Mb, I'm missing 100 GB (look down with red)
3. What is cylinders deal ?

I have windows and 10.4.5 on separate hard drives. Here is the info.

in knoppix:
command - sudo fdisk /dev/hda

The number of cylinders for this disk is set to 30401.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
(e.g., DOS FDISK, OS/2 FDISK)

command - p (print the partition table)

isk /dev/hda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/hda1 * 1 30401 244196001 af Unknown
isk /dev/hda: 250.0 GB, 250059350016 bytes



command - sudo cfdisk

cfdisk 2.12p
Disk Drive: /dev/hda
Size: 250059350016 bytes, 250.0 GB
Heads: 255 Sectors per Track: 63 Cylinders: 30401

Name Flags Part Type FS Type [Label] Size (MB)
------------------------------------------------------------------------------
hda1 Boot Primary Unknown (AF) 250056.74

Disk Utility in OSx:
Name : OSx
Type : Volume
Disk Identifier : disk2s1
File System : Mac OS Extended (Journaled)
Connection Bus : ATA
Partition Type : Apple_HFS
it just doesn't add (missing like 100 Gb):
Capacity : 232.9 GB (250,056,705,024 Bytes)
Free Space : 80.1 GB (86,017,773,568 Bytes)
Used : 47.9 GB (51,421,147,136 Bytes)

Bootable : Yes
Disk Number : 2
Partition Number : 1





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