Macbook Pro won't start up.

[Satchboogie]

I have a Macbook Pro that won't start up. When I turn it on, it goes to the loading screen (the apple icon with the loading wheel) and then turns off. It's not the battery and I know it's not the 'stuck in sleep mode' problem. I've tried running a disk check (fsck -y) but it just fails. Does anyone have any idea what might be the problem?

[Soulwar]

I've tried running a disk check (fsck -y) but it just fails.

Does it say it can't be repaired or it just doesn't finish?

Also, try reseting the SMC.

[Satchboogie]

It says it can't be repaired. I tried resetting the SMC, but it didn't do anything.

[Soulwar]

What error does it give?

[Satchboogie]

My bad, the check does fail.

**/dev/rdisk0s2
** Root file system
** checking HFS Plus volume.
** Checking Extents Overflow file.
** Checking Catalog file.
Incorrect block count for file mach
(it should be 1 instead of 0)
Incorrect block count for file annex_aux
(it should be 1456 instead of 1460)
Incorrect block count for file swapfile0
(it should be 16384 instead of 0)
Incorrect block count for file alarmsCache.plist
(it should be 1 instead of 0)
Incorrect block count for file nodes.plist
(it should be 1 instead of 0)
Incorrect block count for file syncState.plist
(it should be 1 instead of 0)
Incorrect block count for file Info.plist
(it should be 1 instead of 0)
Incorrect block count for file Info.plist
(it should be 1 instead of 0)
Incorrect block count for file Info.plist
(it should be 1 instead of 0)
Invalid sibling link
(4, 22269)
** volume check failed.

[Soulwar]

First, try repairing the HDD from the install disk and Disk Utility.

If that doesn't fix it, I would try an Erase and Install. Could also try Disk Warrior, if all else fails.

Check the SMART status of your HDD, also.