Manual
Attention:Ifyouforgetthepassword,thereisnoserviceproceduretoresetthepassword.Thesystem
boardmustbereplacedforascheduledfee.
•Power-onpassword:Apower-onpasswordprotectsthecomputerfrombeingturnedonbyan
unauthorizedperson.Ifapower-onpasswordhasbeenset,theusermustenterthepasswordbefore
startingtheoperatingsystem.
•Supervisorpassword:AsupervisorpasswordprotectsthesysteminformationstoredintheBIOS
program.TheusermustenterthesupervisorpasswordtogetaccesstotheBIOSprogramandchange
systemcongurations.
Ifyouhavesetapassword,youwillbepromptedtoenterthepasswordwheneveryouturnonthecomputer.
Powermanagement
Therearethreepowermanagementmodestoreducepowerconsumption:screenblank,sleep,and
hibernation.
Screenblankmode
Inthefollowingcircumstances,thecomputerentersscreenblankmode:
•Thetimesetonthe“T urnoffmonitor”timerontheWindows7operatingsystemexpires.
Toendscreenblankmodeandresumenormaloperation,pressanykey.
•Y ouhavepressedFn+F2.
Toendscreenblankmodeandresumenormaloperation,pressFn+F2.
Sleepmode
Whenthecomputerenterssleepmode,thefollowingeventsoccurinadditiontowhatoccursinscreen
blankmode:
•TheLCDispoweredoff.
•Theharddiskdriveispoweredoff.
•Themicroprocessorstops.
Toentersleepmode,pressFn+F1.
Incertaincircumstances,thecomputerautomaticallyenterssleepmode:
•A“suspendtime”hasbeensetonthetimer,andtheuserdoesnotdoanyoperationwiththekeyboard,
theharddiskdrive,theparallelconnector,orthediskettedrivewithinthattime.
•Thebatterystatusindicatorblinksorange,indicatingthatthebatterypowerislow.
Tocausethecomputertoreturnfromsleepmodeandresumetheoperation,dooneofthefollowing:
•PresstheFnkey.
•OpentheLCDcover.
•Pressthepowerbutton.
Also,whenthetimesetontheresumetimerelapses,thecomputerautomaticallyreturnsfromsleepmode
andresumesoperation.
Note:Thecomputerdoesnotacceptanyinputimmediatelyafteritenterssleepmode.Waitafewseconds
beforetakinganyactionstoreenteroperationmode.
26HardwareMaintenanceManual