Lenovo 5106, 5114, 5150, 5110 manual Printer problems, Serial port problems

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3.Right-click your C drive entry and then click Properties.

4.Click the Tools tab.

5.Click Defragment Now, then click Continue.

6.Click Defragment Now again to start a disk-defragmentation process.

On the Windows 8 operating system, do the following:

1.Close any programs that are currently running and close any open windows.

2.Open the Windows Explorer and click Computer.

3.Right-click your C drive entry and then click Properties.

4.Click the Tools tab.

5.Click Optimize.

6.Click Optimize again to start a disk-defragmentation process.

Printer problems

Printer is supported by some certain computer models.

Symptom: The printer does not work.

Actions: Verify that:

1.The printer is turned on and is online.

2.Paper is loaded correctly.

3.The printer signal cable is securely connected to the correct parallel, serial, or USB connector on the computer.

Note: Non-IEEE-approved printer signal cables might cause unpredictable problems.

1.Any device drivers and other software that came with the printer are correctly installed.

2.You have assigned the printer port correctly in your operating system, application program, or BIOS settings. For more information about BIOS settings, see Chapter 6 “Using the Setup Utility program” on page 55.

If the problem persists, run the tests described in the documentation that comes with your printer. If you cannot correct the problem, have the computer serviced. See “Additional information resources” on page 31.

Serial port problems

Serial port is available with some certain computer models.

Use this information to troubleshoot the serial port and devices attached to the serial port.

Symptom: Serial port cannot be accessed.

Actions:

Make sure the serial cable is securely connected to the serial port on the computer and to the serial device. If the serial device has its own power cord, make sure it is attached to a properly grounded electrical outlet.

If the serial device has its own On/Off switch, make sure it is in the On position.

If the serial device has an Online switch, make sure it is in the Online position.

If the serial device is a printer, make sure paper is loaded correctly.

50ThinkCentre Hardware Maintenance Manual

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Contents ThinkCentre Hardware Maintenance Manual Page ThinkCentre Hardware Maintenance Manual Second Edition September Copyright Lenovo Contents Appendix A. Notices 117 Important Safety Information About this manualThinkCentre Hardware Maintenance Manual Electrical safety Safety informationGeneral safety ThinkCentre Hardware Maintenance Manual Safety inspection guide Handling electrostatic discharge-sensitive devicesSafety notices multi-lingual translations Grounding requirementsTo Connect To Disconnect ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Safety information Perigo Cuidado Para Conectar Para DesconectarPerigo Safety information ThinkCentre Hardware Maintenance Manual Safety information Connexion Déconnexion ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Vorsicht Achtung ThinkCentre Hardware Maintenance Manual Safety information Pericolo Per collegarsi Per scollegarsiPrestare attenzione nel sollevare lapparecchiatura ThinkCentre Hardware Maintenance Manual Peligro No debe Adopte procedimientos seguros al levantar el equipo ThinkCentre Hardware Maintenance Manual Specifications Accessing Lenovo programs on the Windows 7 operating systemGeneral information Lenovo programsProgram Icon name Program Control Panel section Green text in Control PanelAccessing Lenovo programs on the Windows 8 operating system Additional information resourcesThinkCentre Hardware Maintenance Manual Problem determination tips General CheckoutThinkCentre Hardware Maintenance Manual Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Accessing Control Panel on the Windows 8 operating system Troubleshooting procedureTroubleshooting Sound comes from one external speaker only Audio problemsNo audio in Windows CD or DVD does not work CD problemsNo audio in DOS applications or games DVD problems Black screen instead of DVD videoDVD movie will not play No audio or intermittent audio while playing DVD movieIntermittent problems Keyboard, mouse, or pointing device problemsPlayback is very slow or choppy Invalid disc or no disc found messagePointer on the screen does not move smoothly with the mouse All or some keys on the keyboard do not workMouse or pointing device does not work Monitor problems Wireless keyboard does not workFingerprint reader does not work Wrong characters appear on the screenImage appears to be flickering Image is discoloredNetworking problems Ethernet problemsWireless LAN problem Adapter stops working for no apparent reasonBluetooth problems Option problemsWireless WAN problem Performance and lockup problems An option that was just installed does not workAn option that previously worked does not work now Insufficient free hard disk drive spaceExcessive number of fragmented files Click Start ComputerPrinter problems Serial port problemsSoftware problems Software does not work as expectedLenovo Solution Center USB problemsDiagnostics Troubleshooting and diagnostics ThinkCentre Hardware Maintenance Manual Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsPassword considerations Power-On PasswordAdministrator Password Hard Disk PasswordEnabling or disabling a device Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequenceEnabling ErP compliance mode Exiting the Setup Utility program ThinkCentre Hardware Maintenance Manual Symptom-to-FRU Index Hard disk drive boot errorPower Supply Problems Beep symptomsPost error codes Beep Symptom FRU/ActionShort and 1 long beeps Dram memory error Error code Post Error Message Description/ActionDisplay/Monitor Miscellaneous error conditionsMessage/Symptom FRU/Action Message/Symptom FRU/Action Undetermined problems ThinkCentre Hardware Maintenance Manual Front connector, control, and indicator locations LocationsLocating connectors on the rear of your computer Rear connector locationsLocating major FRUs and CRUs Number FRU description Self-service CRU Optional-service CRU Looking up FRU informationLocations of the parts and connectors on the system board Locating parts on the system boardThinkCentre Hardware Maintenance Manual Removing the computer stand Adjusting the computer standReplacing FRUs Removing the computer cover Opening and closing the system board shielding Opening the system board shieldingClosing the system board shielding Replacing FRUs Removing the rear I/O shielding Installing the rear I/O shieldingReplacing the rear I/O shielding Replacing the hard disk drive Removing the hard disk driveInstalling a hard disk drive Replacing the optical drive Installing an optical drive Removing the optical driveReplacing the memory module Installing a memory module Removing the memory moduleReplacing the microprocessor fan assembly Removing the microprocessor fan assemblyThinkCentre Hardware Maintenance Manual Installing a microprocessor fan assembly Replacing the microprocessor and heat sink assembly Removing the microprocessor and heat sink assembly Installing the microprocessor and heat sink assembly Replacing FRUs Replacing the system board Removing the system boardInstalling a system board Removing the internal speakers Installing internal speakersReplacing the internal speakers Replacing the rear I/O assembly Removing the rear I/O assemblyInstalling a rear I/O assembly Replacing the inverter Removing the inverter Installing an inverter Replacing the battery Removing the batteryRemoving the power supply assembly Installing a batteryReplacing the power supply assembly ThinkCentre Hardware Maintenance Manual Installing a power supply assembly ThinkCentre Hardware Maintenance Manual Replacing the LCD panel Removing the LCD panelInstalling an LCD panel Replacing the Wifi card Removing the Wifi cardInstalling the Wifi card Installing a computer wall mount Completing the FRU installationInstalling a computer cover Installing a computer standReplacing FRUs ThinkCentre Hardware Maintenance Manual Additional Service Information Updating flashing the Bios from a disc Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureAutomatic Power-On features Power managementAutomatic configuration and power interface Acpi Bios Appendix A. Notices Television output notice European conformance CE mark TrademarksIndex 119Page Page Part Number 1P P/N
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