My DC-7800 will not identify devices on USB port.

Slim desktop computer HP Compaq dc7800

 

I bought an opportunity DC7800 (no disc).  I ran the compatibility of Windows 7 software and it didn't come back with any problems.  I installed Windows 7 Ultimate.  USB does not recognize any jump readers, portable discs or iPod (However when I plug in my external drive Toshiba it powers the drive upwards - just don't install any drivers or shoot them in the directory.)  I installed a printer and it prints well, but even with printing action I can not access the printer on the network (I can access the Public folder shared on the network - so that's good).  After you play with it for several hours, I installed Vista Ultimate on.  He always has exactly the same problem with the USB ports (again... motorized Toshiba but don't even recognize).  I installed all the drivers on the HP site.  Really all that my wife needs him for is the internet and sync his iPhone (it is not recognize it when it is plugged).  Either way, I have no plug in a USB or anything before installing Windows 7.

Ok. If you have Vista Ultimate on...

See to install the latest chipset driver work.  Install and reboot.

http://Downloadcenter.Intel.com/Detail_Desc.aspx?AGR=Y&DwnldID=20775&keyword=chipset+installation&lang=eng

Video driver: installation and reboot.

http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12454&prodSeriesId=3459242&prodNameId=3459247&swEnvOID=2098&swLang=13&mode=2&taskId=135&swItem=vc-68809-1

This driver should install the PCI device.

http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12454&prodSeriesId=3459242&prodNameId=3459247&swEnvOID=2098&swLang=13&mode=2&taskId=135&swItem=vc-78668-1

It seems that USB devices operate normally (at least with regard to Device Manager is concerned).

If the USB port still does not work after installing all the drivers above, go back and uninstall these usb controllers and restart.

If it does not, there is probably some kind of hardware problem that I don't know how to fix.

Paul

Tags: HP Desktops

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