2-2 Using Your Computer using system features such as the CD-ROM reader using power management and security features.Starting UpPress the power button to start up your system. The powerlamp lights green to indicate that the system is on.Several configuration messages appear on the screen atstartup. These messages are part of your system’s Power-On Self-Test (POST). Your computer is checking yourhardware for any changes since the last startup. One beepindicates that the system has successfully completed thepower-on test.NOTEYou can bypass the POST memory test bypressing the space bar.If a problem occurs, a series of beeps may sound. If thishappens repeatedly after powering on, power off the systemand turn to Appendix D. This appendix provides somehelpful hints on obvious system problems.NOTEIf the system displays a message indicatingthat system settings have changed, run Setup (seeChapter 4).On models loaded with the Windows NT® operatingsystem, press Ctrl-Alt-Del when prompted on-screen to doso. The log-on box appears for entering a password.