ESXI 4.1 Hung state while booting

I have inigtiated reboot of ESXI 4.1, during booting time its got hung at "  Initialising scheduler". Tried to reboot multiple time but hang on same place as mentioned above.

Please let me know is there any way to repair or trouble shoot the booting problems of ESXi

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kbjijoAuthor Commented:
Attaching teh screenshot

try in the bios disabling legacy usb support

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kbjijoAuthor Commented:
Excellent !!!!......
great thanks to you.......!

I have IBM blade HS22 ( 7870) and i didnt find any option to Disable the Legecy USB support. But i have changed the USB port from USB 2.0 to USB 1.1. ( Screenshot is attached )

After the changes, i can see the ESXI loaded successfully ( Seems to be faster for booting & uEFI loading)
The issue is now resolved and ESXi loaded successfully. Thanks agin for the valuable support

Please let me know what is the dependancy for ESXi to USB support or Legecy support bcz even i have another 180 ESXi with USB 2.0 support and till date didnt experienced any booting issue such like this. Please let me know. Thanks Again

Paul SolovyovskySenior IT AdvisorCommented:
This was an issue on the Cisco UCS Servers and a firmware update fixed it.  May want to try and upgrade the firmware on the blade and hopefully that resolves the issue.
kbjijoAuthor Commented:
When the issue occured, the teh uEFI vers is 1.12, hence i updated all the firmware and uEFI version to 1.15 but issue was not resolved.
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