The solution to the problem of no sound on ThinkPad is as follows:
Before checking the problem, please make sure: < /p>
1. The computer has built-in speakers or external speakers have been plugged in and are powered on.
2. First restore the BIOS to the default settings - keep pressing the "F1" key when turning on the computer. After entering the BIOS interface, press "F9" to restore the default settings, select "Y", and then press "F10" to save. To launch, select "Y".
3. All playback software and audio files, or system sounds cannot be heard. If some of the sounds cannot be heard.
1. Windows XP Operating System
1. Check whether the "Small Speaker" icon in the lower right corner of the desktop is muted. Click the left mouse button and remove the check mark in front of "Mute" in the pop-up dialog box.
2. If there is no "Small Speaker" icon in the lower right corner, please check the sound options in the control panel and make sure that the two check marks in the red area in the picture below have not been removed.
3. If you cannot find the above options, or the above options are gray, please check whether there is an exclamation mark or question mark for the audio device in the device manager. If so, please update the sound card driver.
When updating the sound card driver, please note that if it is a Thinkpad 60 or above series machine, you need to download the sound card KB888111 patch (shown as: Other devices: PCI-DEVICE in the device manager), and then install the sound card driver. . Driver download address: think.lenovo.com.cn Enter the machine's TYPE number in the search bar to find all drivers for the machine.
2. Windows Vista Operating System
1. Check the "small speaker" icon in the lower right corner of the desktopWhether it is mute, if it is mute, please click the left mouse button on the icon, and click the left mouse button on the small speaker icon in the pop-up dialog box.
2. If there is no "Speaker" icon in the lower right corner, please right-click the taskbar at the bottom of the desktop, select "Properties", and check the "Volume" option in the dialog box that opens.
3. If there is still no small speaker icon, or the mute status cannot be changed, please check whether there is "Speaker" in the sound options in the control panel. If not, please right-click the mouse in the blank space and select "Show Disabled Device", find the speaker, right-click and select "Enable".
4. If you cannot find the above options, or the above options are gray, please check whether there is an exclamation mark or question mark for the audio device in the device manager. If so, please update the sound card driver.
If none of the above operations can solve the problem, you can consider restoring the system to its factory state to eliminate software problems.
If it is determined to be a hardware failure, you may consider sending it to a service station or calling the 8009908888 hotline to report it for repair.
Related reading:
What to do if the computer has no sound
How to set up the microphone to have no sound