Lenovo S710 manual Wireless LAN problem, Adapter stops working for no apparent reason

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5.Click Update Driver Software, and then follow the instructions on the screen.

The switch port and the adapter have the same duplex setting.

If you configured the adapter for full duplex, ensure that the switch port is also configured for full duplex. Setting the wrong duplex mode can degrade performance, cause data loss, or result in lost connections.

You have installed all networking software that is necessary for your network environment. Check with your LAN administrator for the necessary networking software.

The adapter stops working for no apparent reason

Symptom: The adapter stops working for no apparent reason.

Action: The network driver files may be corrupt or missing. Update the driver by referring to the “Solution” description for the procedure to make sure that the correct device driver is installed.

The Wake on LAN feature is not working

Symptom: The Wake on LAN (WOL) feature is not working.

Actions:

Make sure that WOL is enabled in the BIOS Setup Utility program.

If it is, check with your LAN administrator for the necessary settings.

If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur

Symptom: If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur.

Actions:

Use Category 5 wiring and make sure that the network cable is securely connected.

Connect to a 1000 BASE-T hub/switch (not 1000 BASE-X).

If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps

Symptom: If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps.

Actions:

Try another cable.

Make sure that the link partner is set to auto-negotiate.

Make sure that the switch is 802.3ab-compliant (gigabit over copper).

A wireless LAN problem

Symptom: You cannot connect using the built-in wireless networking card.

Actions:

Make sure that your wireless LAN driver is the latest version. Check the Web site and verify the driver version supported by Access Connections is the latest documented in the readme file.

Make sure that your computer is within range of a wireless access point.

Make sure that the wireless radio is enabled by double-clicking the Access Connections icon in the Windows notification area.

44Lenovo S710 All-In-OneHardware Maintenance Manual

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Contents Lenovo S710 All-In-One Hardware Maintenance Manual Page Lenovo S710 All-In-One Hardware Maintenance Manual First Edition August Copyright Lenovo Contents Appendix A. Notices Important Safety Information About this manualLenovo S710 All-In-OneHardware Maintenance Manual Electrical safety Safety informationGeneral safety Lenovo S710 All-In-OneHardware 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 Lenovo S710 All-In-OneHardware Maintenance Manual Safety information Connexion Déconnexion ≥18 kg 37 lbs ≥32 kg 70.5 lbs ≥55 kg 121.2 lbs Vorsicht Achtung Arbeitsschutzrichtlinien beim Anheben der Maschine beachtenLenovo S710 All-In-OneHardware Maintenance Manual Safety information Pericolo Per collegarsi Per scollegarsiPrestare attenzione nel sollevare lapparecchiatura Lenovo S710 All-In-OneHardware Maintenance Manual Peligro No debe Adopte procedimientos seguros al levantar el equipo Lenovo S710 All-In-OneHardware Maintenance Manual Lenovo Support Web site SpecificationsGeneral information Lenovo S710 All-In-OneHardware Maintenance Manual Problem determination tips General CheckoutLenovo S710 All-In-OneHardware Maintenance Manual Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Click Settings Click Control Panel Accessing Control Panel on the Windows 8 operating systemTroubleshooting procedure Troubleshooting Audio problemsNo audio in DOS applications or games No audio in WindowsSound comes from one external speaker only CD problems CD or DVD does not workDVD movie will not play DVD problemsBlack screen instead of DVD video No audio or intermittent audio while playing DVD movieInvalid disc or no disc found message Intermittent problemsKeyboard, mouse, or pointing device problems All or some keys on the keyboard do not workFingerprint reader does not work Mouse or pointing device does not workPointer on the screen does not move smoothly with the mouse Click Hardware and Sound Click Devices and PrintersWrong characters appear on the screen Monitor problemsWireless keyboard does not work Image appears to be flickering Image is discoloredYour computer cannot connect to the network Networking problemsEthernet problems Click Start Control Panel Click Hardware and SoundAdapter stops working for no apparent reason Wireless LAN problemWake on LAN feature is not working Bluetooth problems Option problemsWireless WAN problem Sound does not come from the Bluetooth headphoneAn option that previously worked does not work now Performance and lockup problemsAn option that was just installed does not work Insufficient free hard disk drive spaceClick Disk Cleanup Click Clean up system files Click Disk CleanupClick Programs Click Turn Windows features on or off Programs and Features area, click the Clean up buttonClick Defragment Now, then click Continue Printer problemsSerial port problems Click OptimizeSoftware problems Software does not work as expectedUSB problems Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Using passwordsSetting, changing, and deleting a password Power-On PasswordAdministrator Password Enabling or disabling a deviceSelecting or changing the startup device sequence Selecting a startup deviceSelecting a temporary startup device Exiting the Setup Utility program Power Supply Problems Symptom-to-FRU IndexHard disk drive boot error Beep symptomsShort and 1 long beeps Dram memory error Post error codesBeep Symptom FRU/Action Error code Post Error Message Description/ActionDisplay/Monitor Miscellaneous error conditionsMessage/Symptom FRU/Action First device network Second device hard diskUndetermined problems Lenovo S710 All-In-OneHardware Maintenance Manual Front connector, control, and indicator locations LocationsRear connector locations Locating major FRUs and CRUs Locating 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 boardRemoving and reinstalling the system stand hinge cover Replacing FRUsRemoving and reinstalling the system stand Removing the system stand hinge coverRemoving the system stand Lenovo S710 All-In-OneHardware Maintenance Manual Removing and reinstalling the Vesa mount bracket Removing the computer coverReplacing the hard disk drive Removing the Vesa mount bracketRemoving the hard disk drive Replacing the optical drive Removing the hard disk drive from the bracketRemoving the optical drive Removing and reinstalling the system board shield Connecting the cable and installing the screwReplacing the microprocessor fan Removing the system board shieldReplacing the heat sink assembly Removing the microprocessor fanSafety, Warranty, and Setup Guide, go to Replacing the microprocessor Opening the retainer to access the microprocessor Removing the microprocessor Replacing the battery Removing the batteryInstalling a new battery Replacing the inverterInstalling or replacing a memory module Removing the screws that secure the inverterRemoving a memory module Replacing the internal speakers Removing the internal speakersReplacing the integrated camera Removing the integrated cameraReplacing the system board Lenovo S710 All-In-OneHardware Maintenance Manual Replacing the LCD panel Disconnect the LCD panel cable from the system board Removing the four screws that secure the LCD panel Replacing the Wi-Fi card Reconnect the LCD panel cable to the system boardRemoving the screw that secures the Wi-Fi card Completing the parts replacement Replacing the USB keyboard or mouseInstalling the computer cover Lenovo S710 All-In-OneHardware Maintenance Manual FRU lists-S710 CRU IDWD XL1000S WD10EZEX-08RKKA0 1TB HDD-LH PIB65F/TAHOE Rear IO-1 China DIP +BKT Foot Holder Pcak W/RUBBER Additional Service Information Updating flashing the Bios from your operating system Click Downloads and drivers Recovering from a POST/BIOS update failurePower management Automatic configuration and power interface Acpi Bios Automatic Power-on featuresAppendix A. Notices 107Television output notice European conformance CE mark TrademarksIndex 109POST/BIOS update failure