If I post the output from my mac can you give me the correct commands to run?
drlaptop2:~ nick$ diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_CoreStorage Macintosh HD 363.1 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
4: Microsoft Basic Data 40.0 GB disk0s4
/dev/disk1 (internal, virtual):
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh HD +362.7 GB disk1
Logical Volume on disk0s2
166585AC-7A6E-40C0-9974-779B2B18C707
Unencrypted
drlaptop2:~ nick$ diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 4029CA8C-DEF1-483A-8E10-DC24653FCFE6
=========================================================
Name: Macintosh HD
Status: Online
Size: 363088445440 B (363.1 GB)
Free Space: 19005440 B (19.0 MB)
|
+-< Physical Volume 1123EC82-133F-4F4C-94C1-A87E7820CC68
| ----------------------------------------------------
| Index: 0
| Disk: disk0s2
| Status: Online
| Size: 363088445440 B (363.1 GB)
|
+-> Logical Volume Family C5972A27-BC02-4561-9436-54C6BA25970A
----------------------------------------------------------
Encryption Type: None
|
+-> Logical Volume 166585AC-7A6E-40C0-9974-779B2B18C707
---------------------------------------------------
Disk: disk1
Status: Online
Size (Total): 362717118464 B (362.7 GB)
Revertible: Yes (no decryption required)
LV Name: Macintosh HD
Volume Name: Macintosh HD
Content Hint: Apple_HFS
drlaptop2:~ nick$ sudo gpt -vv -r show /dev/disk0
Password:
gpt show: /dev/disk0: mediasize=500277790720; sectorsize=512; blocks=977105060
gpt show: /dev/disk0: Suspicious MBR at sector 0
gpt show: /dev/disk0: Pri GPT at sector 1
gpt show: /dev/disk0: Sec GPT at sector 977105059
start size index contents
0 1 MBR
1 1 Pri GPT header
2 32 Pri GPT table
34 6
40 409600 1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
409640 709157120 2 GPT part - 53746F72-6167-11AA-AA11-00306543ECAC
709566760 1269536 3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
710836296 188145592
898981888 78123008 4 GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
977104896 131
977105027 32 Sec GPT table
977105059 1 Sec GPT header
drlaptop2:~ nick$ sudo fdsik /dev/disk0
sudo: fdsik: command not found
drlaptop2:~ nick$ sudo fdisk /dev/disk0
Disk: /dev/disk0 geometry: 60821/255/63 [977105060 sectors]
Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: EE 1023 254 63 - 1023 254 63 [ 1 - 409639] <Unknown ID>
2: AC 1023 254 63 - 1023 254 63 [ 409640 - 709157120] <Unknown ID>
3: AB 1023 254 63 - 1023 254 63 [ 709566760 - 1269536] Darwin Boot
4: 0C 1023 254 63 - 1023 254 63 [ 898981888 - 78123008] Win95 FAT32L