What does it mean when my Mac Lion operating system boots up only when I shut off computer incorrectly, than I turn computer back on and then it boots up fine. I'm guessing that means I'm not using the right command or something.


<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Boot Graphics</key>
<string>Yes</string>
<key>EthernetBuiltIn</key>
<string>Yes</string>
<key>GraphicsEnabler</key>
<string>Yes</string>
<key>Kernel</key>
<string>mach_kernel</string>
<key>Kernel Flags</key>
<string>-legacy npci=0x3000</string>
<key>Quiet Boot</key>
<string>No</string>
<key>Timeout</key>
<string>5</string>
<key>Legacy Logo</key>
<string>Yes</string>
<key>PCIRootUID</key>
<string>0</string>
<key>UseKernelCache</key>
<string>No</string>
</dict>
</plist>