Question about Dell PowerConnect 3548
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Posted on Jan 02, 2017
SOURCE: Problem with a dell computer..
You may try connecting a different usb keyboard to your system. Mostly, some keyboard converted from serial connection to a usb could cause this kind of problem. In some cases also, wireless keyboard and mouse won't work when u turned on your system if the driver is not properly install.
You may also try disconnecting any other usb devices from your computer. Disconnect also your power supply then push and hold the power button for 5 seconds. Plug back in the power cord then connect your keyboard. Turn on your computer. if it doesn't work, i suggest to call your computer manufacturer and check your warranty. This could be an issue with the motherboard of your computer.
Keep me posted.
Posted on Oct 12, 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
Don't use USB-PS2 adapters if the keyboard/mouse doesn't support such adapters. They aren't universal, they work only with some "smart" (or chinese) keyboards that can detect the connection type and switch between USB and PS/2.
Posted on Nov 03, 2009
Is it possible this is where the problem started? When updating the controller...
I was going to suggest opening event viewer either through Administrative Tools or bye typing eventvwr in the Run dialogue box. You will see one column on the left and one on the right. The one on the right shows errors and performed operations alike, when you click on an area in the left column.
You'll see an "Event" tab if you scroll to the right after clicking on "System" in the left. Any red Xs mean error. Double click or right click & select "Properties" to read the error. Highlight and type Ctrl+C to copy the text in the Description area and search Google for an answer, careful where you click, reading the address for the location of the site, looking primarily for the support.microsoft.com website for solutions.
Go to the keyboard & mouse manufacturer's website and download any new drivers. You might also find legitimate drivers on the Dell site for the Host controller, USB controller & mouse/keyboard. Make sure they're for your system/model/components. Reboot if asked and allow divers to install.
You can then/also try uninstalling the Keyboard & mouse drivers and rebooting to safe mode, then uninstall the Controllers themselves. Reinstall on reboot to normal Windows and try using only certified drivers... or drivers that came with the mouse/keyboard or that you downloaded as instructed earlier.
Uninstalling and then reinstalling iIMHO is the best method rather than updating. Sometimes drivers overwrite and become corrupt.
Try to only stick with microsoft & Dell (your manufacturer) for driver updates. Programs that connect to sites and download new drivers for your system often install incorrect updates. Even if your system has a say, Toshiba AB-01234-YX, the driver for the component might not be written the exact same way Dell/the computer manufacturer has written it. You also do not know the programmer and cannot honestly say you can trust them when installing and asked "are you sure" if it is not digitally signed.
Posted on Apr 23, 2010
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