How to fix Lenovo Desktop black screen when playing DVD?
If your Lenovo Desktop has a black screen instead of DVD video, try restarting the DVD player program. If that doesn't work, close any open files, turn off the computer, and then restart the computer. You can also try using a lower screen resolution or color depth.
Why does my Lenovo ThinkCentre 2121 beep before starting?
If your Lenovo Desktop beeps multiple times before the operating system starts, check to ensure that no keys are stuck on the keyboard.
What to do if the keyboard does not work on Lenovo ThinkCentre 2121 Desktop?
If the keyboard is not working on your Lenovo Desktop, make sure the computer is turned on. Ensure the keyboard is securely connected to a USB connector on the computer. Also, check that no keys are stuck.
How to fix wireless keyboard or mouse not working on Lenovo Desktop?
If your wireless keyboard or mouse is not working with your Lenovo Desktop, verify the following: * The computer is turned on. * The batteries installed in the wireless keyboard or mouse are in good condition. * The wireless configurations are all set correctly. Consult the documentation that came with the wireless keyboard or mouse, or your Windows Help and Support for wireless instructions. * If your wireless mouse uses a dongle, ensure it's correctly connected to a USB connector on the computer. * For a wireless keyboard, check that no keys are stuck. * Ensure the wireless mouse is clean.
What to do if my Lenovo Desktop does not start?
If your Lenovo Desktop doesn't start when you press the power switch, ensure the power cord is correctly connected to both the rear of the computer and a working electrical outlet. If there's a secondary power switch at the rear, make sure it's on. Check if the power indicator on the front is lit, and confirm that the computer voltage matches the voltage available at your electrical outlet.
How to troubleshoot Lenovo Desktop keyboard that does not work?
If your Lenovo Desktop keyboard isn't working, first ensure the computer is turned on. Then, check that the keyboard is securely connected to a USB connector on the computer. Finally, make sure that no keys are stuck.
How to fix Lenovo ThinkCentre 2121 that does not start?
If your Lenovo Desktop doesn't start when you press the power switch, ensure the power cord is correctly connected to both the rear of the computer and a working electrical outlet. If there's a secondary power switch at the rear, make sure it's on. Check if the power indicator on the front is lit and confirm that the computer voltage matches your region's electrical outlet voltage.
Why does Lenovo ThinkCentre 2121 Desktop beep before starting?
If your Lenovo Desktop beeps multiple times before the operating system starts, verify that no keys are stuck on the keyboard.
What to do if Lenovo ThinkCentre 2121 keyboard is not working?
If your Lenovo Desktop keyboard isn't working, first ensure the computer is turned on. Then, check that the keyboard is securely connected to a USB connector on the computer and that no keys are stuck.
How to fix no sound on Lenovo ThinkCentre 2121 Desktop?
If there is no audio in Windows on your Lenovo Desktop, verify that powered external speakers are switched on and connected to a properly grounded outlet. Check that the speaker volume is not too low. In Windows, double-click the speaker icon and ensure mute is off and volume settings are adequate. Verify speakers/headphones are connected to the correct audio connector and that the program you are using is designed for Windows. Finally, check that audio device drivers are correctly installed.
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