IBM ThinkPad X40 Hardware Maintenance Manual

Also see for THINKPAD X40: Maintenance manual Install guide Supplementary guide User manual Information

Contents

v Open the LCD cover. (only if you are using Windows Meand you entered standby mode by closing the LCDcover.)v Turn on the power switch.Also, in either of the following events, the computerautomatically returns from standby mode and resumesoperation:v The ring indicator (RI) is signaled by a serial device or aPC Card device (Windows 2000 does not support thering indicator (RI) resume by PC Card device.)v The time set on the resume timer elapses.In Windows 98, the Scheduled Tasks setting takespriority over the Resume on timer selection in the“Power Management Properties” window.Note: The computer does not accept any inputimmediately after it enters standby mode. Wait afew seconds before taking any action to reenteroperation mode.Hibernation modeNote for Windows NTIf you are using Windows NT in NTFS format, youcannot create a hibernation file. If you want to usehibernation mode, you will need to reinstall WindowsNT with FAT format.Note for OS/2If you are using OS/2 in the default format, HPFS,you cannot create a hibernation file. If you want touse hibernation mode, you will need to reinstallOS/2 with FAT format.In hibernation mode, the following occurs:v The system status, RAM, VRAM, and setup data arestored on the hard disk.v The system is powered off.Note: If the computer enters the hibernation mode while itis docked to the docking station, do not undock itfrom the docking station before resuming normaloperation. If you do undock it and then try toresume normal operation, you will get an errormessage, and you will have to restart the system.To cause the computer to enter hibernation mode, do anyof the following:Related service informationGeneral descriptions 37