On a laptop or desktop computer that supports either Advanced Power Management (APM) or Advanced Configuration and Power Interface (ACPI), there may be no Hibernate tab in the Power Options tool in Control Panel.
Windows 2000 makes its Hibernate feature available as part of the hardware abstraction layer (HAL); the feature is independent of APM or ACPI. Windows 2000 does not support OEM BIOS hibernation.
The following issues can prevent the Hibernate feature from being available:
Terminal Services has been enabled (this does not apply to Windows 2000 Professional). For additional information, see the following article in the Microsoft Knowledge Base:
237551 APM Features Are Disabled with Terminal Services
A device driver or incompatible software is interfering with this feature. For additional information, see the following article in the Microsoft Knowledge Base:
211271 Cannot Hibernate Windows 2000 After Uninstalling McAfee 3.1.4
For additional troubleshooting of the Hibernate feature, see the following article in the Microsoft Knowledge Base:
197477 The System Cannot Go to Standby Mode Because the...
If you enable Physical Address Extensions in the Boot.ini file with the /pae command-line switch, the Hibernate feature is not available.