NEC POWERMATE 2000 Service And Reference Manual page 123

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System emits continuous beeps.
Turn the system off, wait at least five seconds, and turn the system on. If
the beeps continue, call the NECC Technical Support Center.
!
System does not maintain date, time, system configuration
information.
Change the battery (see "CMOS Battery Removal" in Section 3,
"Disassembly and Reassembly").
!
System does not boot from hard drive.
The system usually tries to start from the diskette drive before it starts
from the hard drive. Remove the diskette from the diskette drive.
Run the Setup utility (see Section 2, "System Configuration") and set the
Boot parameter to hard disk device instead of floppy disk device.
!
System performance appears sluggish.
Check that the system is set for optimal operation. See the operating
system documentation.
Check the memory requirements of the software applications. If required,
install additional SO-DIMM memory (see Section 4, "System Board").
If optional SO-DIMM memory was added, check that it is correctly
installed.
!
System password forgotten.
Clear the password and reset it. See "Clearing the Password" in
Section 4." See "Security Menu" in Section 2 to reset the password.
!
System shuts off instead of going into sleep mode.
The power/sleep button might have been held in for four seconds or
more. For sleep mode, press in the button and immediately release.
!
System does not shut off after pressing the power/sleep button.
The power/sleep button might not have been pressed in and held long
enough. Press in the button and hold for four or more seconds before
releasing.
!
System does not wake up from power saving (sleep) mode when
the mouse is moved or a key on the keyboard is pressed.
The power saving wake-up mode is activated by the power/sleep button
or by pressing the space bar twice. Press and immediately release the
power/sleep button to take the system out of the sleep mode. The power
saving mode is not designed for wake-up by moving the mouse or
pressing a key on the keyboard.
Troubleshooting 7-3