Make sure the on-board audio is enabled in BIOS. Apparently someone else had that same problem with the 745.   Lots of suggestions here including manually installing the driver from the INF. Make sure you have a sound device actually showing in Device Manager, even if it's yellow-triangled out. M ost Vista drivers for older systems I've used seem to work fine for the same architecture of 7/8 although sometimes I need to coerce them to get past the OS version checks vendors have been putting in lately. MShoultz1 wrote: Yea, positive it's not muted;) I've uninstalled and reinstalled 2 sets of drivers.

Download Dell OptiPlex 745 Drivers for Windows 7, 8.1, 10, Just update Dell OptiPlex 745 drivers for your device now! Download Dell OptiPlex 745 Drivers for Windows 7, 8.1, 10, Just update Dell OptiPlex 745 drivers for your device now!

The R243724 and R243725. The 25 is the Vista 32/64 bit drivers. Also using the Dell AX510 Soundbar if that helps any. I'll try by Service Tag on the Dell site. If you've used different types of speakers/headphones, then it's not those devices. It's either your driver or the physical port. I'm leaning towards the port from what you've done already.

Does Windows show the typical slider bar for volume or an X or something else? If it shows the normal volume slider, then Windows sees the driver. That would almost certainly narrow it down to the port. BUT, it is 4 o'clock here, and I could be missing this late in the afternoon.

I can't find a driver for my Dell Optiplex 745 running Windows 7. How To Edit Ex4 File Metatrader 4. When I try to use the driver on the Dell support site it tells me: The HDA Audio Bus Driver is required and not found.

I have searched all over the Dell support pages and can't find any information on this. How can I resolve this issue? You can use the Vista drivers, make sure you have the Vista 32bit or Vista 64bit driver depending on your Win7 operating system.. It will typically unzip the files to c: dell (Letter number) What tends to happen is it might say it can not install because it is not the right operating system. Manually install the drivers by going to device manager then click on the device and update drivers and point it to c: dell (Letter number) it should install the. Alice Tv Mini Series there. inf and.dll files and you should then be all set and have sound.