Instead boot got a beep

[tyf]

MBP with lion doesn't boot each reboot i need to try few times.

To get it boot i need to hold some keys always different sequence.

Something wrong with diskmanagment or efi also i read something about kernel not found.

09.10.11 11:49:55,005 System Preferences: /usr/sbin/nvram boot-args (exit status 1)
09.10.11 11:49:55,074 System Preferences: /usr/sbin/nvram boot-args (exit status 1)
09.10.11 11:49:55,431 System Preferences: OSXCheck: Found /System/Library/CoreServices/boot.efi
09.10.11 11:49:55,432 System Preferences: OSXCheck: No /System/Library/CoreServices/mach_kernel
09.10.11 11:49:55,433 System Preferences: OSXCheck: Found //mach_kernel
09.10.11 11:49:55,459 System Preferences: OSXCheck: disk appears to be a valid OS X disk Volume Name: Macbook. Kind: DADiskRef disk1 (CoreStorage).

09.10.11 11:49:55,461 System Preferences: currentBootDevice: being checked by DiskManagement

09.10.11 11:49:55,528 System Preferences: currentBootDevice: DONE checking by DM copyDiskForBootPreference, err = 0

09.10.11 11:49:55,532 System Preferences: currentBootDevice found _curBootDevice: Volume Name: Macbook. Kind: DADiskRef disk1 (CoreStorage).


-[DMToolBootPreference setDiskForBootPreferenceath:isOS9:nextOnly:]: inDisk=0x10d0a2c30=disk1=Macbook inPath=/System/Library/CoreServices inIsOS9=0 inNextOnly=0
-[DMToolBootPreference runBlessToEnsureBootFilesInCoreServicesForDisk:]: inDiskUDS=0x10d0a2c30=disk1=Macbook
-[DMToolBootPreference runBlessToEnsureBootFilesInCoreServicesForDisk:]: launching /usr/sbin/bless (


What should i try i did all kinds of resetting