Hitachi HF-W6500 Instruction Manual page 231

9. TROUBLE SHOOTING
(3) The BIOS setup menu cannot be opened.
<Possible cause>
Keyboard input is not accepted.
<Action>
1. Disconnect the keyboard cable and securely reconnect it to ensure stable connection.
2. Connect the keyboard cable to another port.
3. Replace the keyboard.
(4) The remote power on function cannot be activated through the RAS external contact.
<Possible cause>
The remote power on function is not enabled.
<Action>
1. Enable the remote power on function according to "6.5 Enabling the Remote Power On
Function".
(5) WOL cannot be used.
<Possible cause>
The WOL function is not enabled.
<Action>
1. Enable the WOL function according to "2.7.1 Enabling the WOL (Wake ON LAN)
function".
(6) If an extension board is installed, the equipment does not start.
<Possible cause>
The connection failure of an extension board or an address space conflict with an onboard
device is considered.
<Action>
1. Remove the extension board with the power turned off and reinstall it.
2. If the problem cannot be resolved even by performing steps 1, a failure on the extension
board is suspected. In that case, take action using the document that comes with the
extension board.
(7) I can't boot when I connect a boot device.
<Possible cause>
The connected device does not support UEFI boot.
<Action>
1. Use a device that supports UEFI boot.
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