Question about Dell OptiPlex 380 PC Desktop
Sounds like the motherboard died. Open the case and look at the capacitors towards the raer of the case. If any of them are buldging, or are leaking a brown "goo" the MoBo is toast.
Fairly common problem in early Optiplex units.
Posted on Nov 07, 2013
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Posted on Jan 02, 2017
try reinstalling the chipset drivers from
Select the Operating system
The Category as Chipset
Importance should be All
Click on the Intel driver
File name is R132539.EXE
If this does not work you will be having 2 usb at the back and in the front of the system.IF the back does not work than you need to get a local tech out at your place as it is a problem with the USB controller on the motherboard and that might have to be replced .If it is the front USB (Only if you have them) then there is a cable coming from the USB controller to the fromnt usb ports that cable might have got unplugged for that you need to open the tower.But i would still recommend a local tech.
Posted on May 27, 2008
When you reloaded the OS did you reload all the drivers? Sometimes if you do not reinstall the Intel driver the USB port will not be recognized. Happened on the last two DELL's I reloaded. Go to DELL's website and download all the drivers for your model.
Dell support website http://support.dell.com/support/downloads/
Look up your model by service tag, it is the alphanumeric code on the barcode label on the back of your DELL and also sometimes found on either the front or top of your DELL (sometimes it is hidden beneath the USB port cover that you flip up.
Try that and see if it fixes it. Also make sure that the connector did not come loose when you opened the case.
Posted on Apr 30, 2009
the first thing you need to check is if the same keyboard and mouse is working with another pc.if it doesnt then replace the keyboard and mouse.if they work fine on the other system then go to start and right click on the computer option and then click on manage,once you have done that click on device manager.now look for universal serial bus controller and expand the option by clicking the plus sysmbol beside it.once you have done that right click on each of the usb root hub and click on uninstall.once all of them have been uninstalled.close all the windows and restart the pc.now it should work fine.
Posted on Jan 14, 2010
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