Why is my Lenovo ThinkCentre E73z mouse not working?
If the mouse isn't working on your Lenovo Desktop, make sure that: * The computer is turned on. * The mouse is securely connected to a USB connector on the computer. * The mouse is clean.
Why is the image on my Lenovo ThinkCentre E73z Desktop monitor discolored?
If the image on your Lenovo Desktop monitor is discolored, it might be affected by interference from nearby equipment. Move fluorescent desk lighting or any equipment that produces magnetic fields further away from the monitor.
Why does my Lenovo ThinkCentre E73z monitor go blank after inactivity?
If the monitor works initially but goes blank after inactivity on your Lenovo Desktop, the computer is probably set for energy savings. Disabling or changing the power-management feature settings might solve the problem.
How to fix Lenovo ThinkCentre E73z Gigabit Ethernet connection failures at 1000 Mbps?
If your Lenovo Desktop is a Gigabit Ethernet model and you use a speed of 1000 Mbps, and the connection fails or errors occur, use Category 5 wiring and ensure that the network cable is securely connected. Also, connect to a 1000 BASE-T hub/switch (not 1000 BASE-X).
Why is Wake on LAN not working on my Lenovo Desktop?
If the Wake on LAN feature isn't working on your Lenovo Desktop, ensure that WOL is enabled in the BIOS Setup Utility program. If it is, check with your LAN administrator for the necessary settings.
How to troubleshoot Lenovo ThinkCentre E73z Desktop serial port access?
To troubleshoot serial port access on your Lenovo Desktop: * Ensure the serial cable is securely connected to both the computer and the serial device. If the device has its own power cord, ensure it's connected to a grounded outlet. * If the device has an On/Off switch, ensure it's On. * If there's an Online switch, ensure it's in the Online position. * If it's a printer, ensure paper is loaded correctly. * Verify any software supplied with the serial device is correctly installed.
Why is my Lenovo ThinkCentre E73z Desktop monitor screen blank?
If the monitor screen is blank on your Lenovo Desktop, verify these points: * Ensure the monitor signal cable is correctly connected to both the monitor and the appropriate connector on the computer. * Confirm the monitor power cord is properly connected to the monitor and a working electrical outlet. * Check that the monitor is turned on and the brightness/contrast are correctly set. * Make sure the computer voltage matches the voltage available at the outlet. * If your computer has two monitor connectors, use the one on the graphics card.
Why does my Lenovo Desktop beep before starting?
If your Lenovo Desktop beeps multiple times before the operating system starts, verify that no keys are stuck.
How to fix no audio in Windows on Lenovo ThinkCentre E73z Desktop?
If there's no audio in Windows on your Lenovo Desktop, try the following: * If using powered external speakers, ensure they are on and connected to a functional outlet. * Check the speaker volume control to ensure it's not too low. * Use the Windows volume mixer to verify that mute buttons aren't pressed and volume settings are adequate. * If your model has a front audio panel, check its volume. * Ensure external speakers (or headphones) are connected to the correct audio connector. * Confirm the program you're using is designed for Windows, or configured for SoundBlaster if it's a DOS program. * Verify that the audio device drivers are correctly installed.
How to troubleshoot Lenovo Desktop that cannot connect to the network?
If your Lenovo Desktop can't connect to the network, ensure that: * The cable is installed properly. * You are using the correct device driver. * The switch port and the adapter have the same duplex setting. * You have installed all networking software that is necessary for your network environment.
Instructions for servicing and upgrading the computer, including customer replaceable units (CRUs).
Precautions to avoid damage to computer components from static electricity.
Guidelines for using power cords and adapters safely and correctly.
Recommendations for using extension cords, surge protectors, and power strips.
Information on proper use of electrical plugs and outlets for the computer.
Precautions for connecting and disconnecting external devices.
Basic precautions for ensuring proper heat dissipation and ventilation.
Warning regarding removal of covers on power supply components.
Overview of available security features like Computrace Agent and device control.
Precautions to prevent static-electricity damage when handling computer components.
Details on recovery solutions for the Windows 7 operating system.
Steps to create and use recovery media for system restoration.
Guidance on using Rescue and Recovery for backup and restore functions.
How to use the Rescue and Recovery workspace for system recovery.
Instructions for reinstalling factory-installed applications and device drivers.
Details on recovery solutions for Windows 8 and 8.1 operating systems.
Steps to refresh the computer without affecting personal files.
Instructions to reset the computer to its original factory settings.
Procedure to recover the operating system when it fails to start.
Steps to start the Setup Utility program for computer configuration.
How to view and modify system configuration settings in the Setup Utility.
Information on setting passwords (Power-On, Administrator, Hard Disk) in BIOS.
Procedure for selecting temporary or changing the startup device sequence.
Initial checks for common computer startup and display issues.
A systematic procedure for diagnosing and resolving computer problems.
Solutions for issues related to no audio or sound from one speaker.
Troubleshooting steps for issues with CD drives and media.
Solutions for issues like black screens or playback problems with DVD movies.
Troubleshooting steps for non-functional keyboards, mice, or pointing devices.
Solutions for monitor issues such as flickering or discolored images.
Guidance for common networking issues, including Ethernet and wireless LAN.
Solutions for issues related to slow performance or system lockups.
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