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电脑制造商联想所生产的台式机的维修和支持指南。

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no sound on ibm thinkcentre m52 8212-1yu

Hi! I just got one of base IBM ThinkCentre M52 computers (8212-1yU).

Thanks in advance for your time and help!

This computer has windows 7 (32-bit) and Intel Pentium 4 CPU 3.00 GHz.

Under Device Manager, I see the following entries under "Sound, video and game controllers":

• High definition audio device

When I go to Control Panel --> Sounds and Audio Devices, it says "No Audio Device"."speakers not plugged in" the default device is the digital audio which is working but no sound out of the inside speaker

the sound card is built in on the motherboard, I checked Lenovo support site

There is no sound on this PC, though there are outlets for mic and speakers. I tried hooking up my headset, but here is no sound.

Micrsoft's Mr. Fixit utility

Any help would be greatly appreciated!

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2个答案

In the device properties can you change the default device from digital to analog duplex ?

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Try right clicking on the spear icon next to the time and date. Select Play Back Devices and check the defaults. the speakers may not be enabled. You should see a sound bar indication sound. The other thing is to update the drive for the audio system through Device Manager, if it comes back and says the best driver is already installed, then delete the device and check remove driver and then do a scan for hardware changes, this should force a fresh driver to be loaded.

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revolt25012011 将永远感激不已
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