Lenovo P300 Betriebsanweisung Seite 67

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EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.
Ensurethatvideoresolutionissettolessthan1152x864pixels.
OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,ensurethatthe
DVDdiscisinthedrivelabeled“DVD”.
Intermittentproblems
Someproblemsoccuronlyoccasionallyandaredifficulttorepeat.
Solutions:
Ensurethatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.
Ensurethatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.
IfSmallComputerSystemInterface(SCSI)devicesareinstalled,ensurethatthelastexternaldevicein
eachSCSIchainisterminatedcorrectly.Formoreinformation,seeyourSCSIdocumentation.
Problemswiththekeyboardormouse
Thissectionprovidessolutionstokeyboard-relatedandmouse-relatedproblems.
Keysonthekeyboarddonotwork
Solutions:
ConnectthekeyboardcabletoaUSBconnectororPS/2keyboardconnector.
IfyouareusingaUSBkeyboard,enabletheUSBconnectorsintheBIOSsettings.Formoreinformation,
see“Enablingordisablingadevice”onpage39.
IfyouareusinganEnhancedPerformanceUSBkeyboard,usethehelpsystemintheEnhanced
PerformanceCustomizationKeyboardprogramtohelpdiagnoseproblems.
ToopentheEnhancedPerformanceCustomizationKeyboardprogram,dooneofthefollowing:
OnWindows7:
1.ClickStartControlPanel.
2.ClickHardwareandSound.
3.ClickDevicesandPrinters.
4.Double-clickUSBEnhancedPerformanceKeyboard.
OnWindows8.1:
1.OpenControlPanel.Formoreinformation,seeAccessingControlPanelontheWindows8.1
operatingsystem”onpage22
.
2.ClickHardwareandSound.
3.ClickDevicesandPrinters.
4.Double-clickUSBEnhancedPerformanceKeyboard.
Themousedoesnotwork
Solutions:
ConnectthemousecabletoaUSBconnectororPS/2mouseconnector.
Note:Dependingonyourkeyboard,integratedUSBconnectorsmightbeavailabletobeusedto
connectaUSBmouse.
Installthedevicedriversforthemouse.
Chapter7.Troubleshootinganddiagnostics55
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