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2. Remove the battery pack and AC Adapter.
3. Remove the backup battery (RTC) for 20
minutes or use a screwdriver to touch the
backup battery (RTC) for 1 second.
4. Put back the backup battery (RTC).
5. Power on the computer and wait until POST
ends.
6. Verify that the password prompt does not
appear.
Supervisor and HDD passwords:
The Supervisor password and Hard Disk password
(Hard Disk1 and Hard Disk2) are security features
that are used to protect the system and the hard disk
drive data from unauthorized access. No overriding
capability is provided, so it cannot be replaced if they
are forgotten. If the customer forgets the Supervisor
password, the system board must be replaced. If the
customer forgets the Hard Disk password, the hard
disk drive must be replaced.
ThinkPad 390E
21
Содержание ThinkPad 2626
Страница 1: ...S37L 5153 01 IBM Mobile Systems ThinkPad 390E 2626 Hardware Maintenance Manual March 1999 ...
Страница 6: ...vi ThinkPad 390E ...
Страница 9: ...Service Tools 118 Notices 119 Trademarks 119 Contents ix ...
Страница 10: ...x ThinkPad 390E ...
Страница 28: ...18 ThinkPad 390E ...
Страница 60: ...Running the Diagnostics PC Doctor for DOS is used to perform diagnostics on the ThinkPad 390E 50 ThinkPad 390E ...
Страница 116: ...Switch Location Keyboard Lan guage US European Japanese J2 ON OFF J3 ON ON 106 ThinkPad 390E ...
Страница 117: ...System Unit Parts Listing Index Description FRU Number 1 MIDDLE COVER ASM 05K5481 ThinkPad 390E 107 ...
Страница 130: ...IBM Part Number 00N5907 Printed in U S A S37L 5153 ð1 ...