Lenovo ThinkCentre E63z - Monitor Problems

4.Double-clickUSBEnhancedPerformanceKeyboard.
–OnWindows8.1:
1.OpenControlPanel.Formoreinformation,see“AccessingControlPanelontheWindows8.1
operatingsystem”onpage47.
2.ClickHardwareandSound.
3.ClickDevicesandPrinters.
4.Double-clickUSBEnhancedPerformanceKeyboard.
Themousedoesnotwork
Solutions:
•ConnectthemousecabletoaUSBconnectororPS/2mouseconnector.
Note:Dependingonyourkeyboard,integratedUSBconnectorsmightbeavailabletobeusedto
connectaUSBmouse.
•Installthedevicedriversforthemouse.
•IfyouareusingaUSBmouse,enabletheUSBconnectorsintheBIOSsettings.Formoreinformation,
see“Enablingordisablingadevice”onpage61.
Thepointeronthescreendoesnotmovesmoothlywiththemouse
Solution:Cleanthemouse.Formoreinformation,see“Opticalmouse”onpage69.
Thewirelesskeyboarddoesnotwork
Solutions:
•IfthetransceivercommunicationsLEDisnoton,reconnectthetransceiverandthekeyboard.
•IfthewirelesskeyboarddoesnotworkwhenthetransceivercommunicationsLEDison,restartyour
computer.
Iftheproblempersistsaftertherestart,ensurethat:
•Thebatteriesareinstalledcorrectly.
•Thebatteriesstillretaintheircurrent.
•Thedistancefromthewirelesskeyboardtothetransceiverislessthan10m(393.7inches).
•Thetransceiverisinstalledfully.
Monitorproblems
Thissectionprovidessolutionstomonitor-relatedproblems.
Myscreengoesblankwhilethecomputerison
Solutions:Yourscreensaverorpowermanagementmighthavebeenenabled.Dooneofthefollowing:
•Pressakeytoexitthescreensaver.
•Pressthepowerbuttontoresumethecomputerfromsleeporhibernationmode.
ThemonitorworkswhenIturnonthecomputer,butgoesblankwhenIstartsome
applicationprograms
Solutions:
•Connectthemonitorsignalcablefromyourmonitortoanappropriateconnectoronthecomputer.A
loosecablemightcauseintermittentproblems.
Chapter8.Troubleshootinganddiagnostics75