after update 10.9.2, It stuck on apple boot screen

[Torrylaki]

Hi All..

I use Lenovo s410p

System: Lenovo s410p
cpu: i5- 4200u
graphics: intel hd family (HD4000, 1366x768) & dedicated Nvidia GeForce GT720M 2gb
sound:realtek HDA
network: Atheros AR8162/8166/8168 pci-e fast Ethernet controller
Atheros AR956x wireless netwok adapter
Bluetooth: Atheros AR3012 Bluetooth 4.0 + HS

after update 10.9.2, It stuck on apple boot screen..

I've tried
-x -v -f --------------> FAIL
-x -v - GraphicsEnabler=Yes --------------> FAIL


what should I do?

anyone can help me?

Thx...

 

[sriharshach]

Article: OS X 10.9.2 Update

Any hint where it is being struck? What did the verbose mode point to? A photograph can help better in this case.