Dell OptiPlex 960 MT PC Desktop front usb port aren't working but power is coming in usb port why????
Ok these usually happens only because of the drivers not installed or if the right drivers are not installed, Go to device manager and check for USB controller and check for drivers, if missing check your motherboards model number and download the appropriate drivers from the actual brand website of your motherboard. should work now.
SOURCE: Dell Optiplex GX260 Tower flashing yellow power button
Hi
Power up the Optiplex GX260 and check the QUAD Pack Diagnostics LEDs (located at the back). Compare the LED pattern to http://support.dell.com/support/edocs/systems/opgx260/en/ug/solvprob.htm#1167139 for more info.
Ideally, to troubleshoot and resolve the issues, try removing all PCI devices, disconnect all external devices/peripherals including keyboard and mouse. You may leave the Monitor connected. Power up the PC and check for successful Power On Self Test (POST). If POST completes (generally fails on "Keyboard not present"), shutdown, connect keyboard and try POST again.
If all goes well, install PCI devices one at a time and test successful POST. This will help identity a failing device.
If issue persists, after removing all devices, remove the CMOS battery for about 90 seconds and try POST again. If same, remove all DIMMs (Memory) and check for beep codes. Compare beep pattern to http://support.dell.com/support/edocs/systems/opgx260/en/ug/solvprob.htm#1176760.
NB: Ensure to remove power lead and press power button briefly to use up flea power before working in the system.
If the system beeps, it suggests that the CPU and systemboard are "likely" fine. Install one DIMM at a time and test successful POST. If there no beeps then the systemboard and/or CU is/are at fault.
Regards
Mike
SOURCE: Missing Drives for Dell Optiplex GX260 PC Desktop Problem
if you don't have the cd with the drivers and utilities, then you can download the drivers online with another computer. (you will need a thumb drive or cd to save it on) you will also need to make sure you know what brand of ethernet card your computer came with. once you get that ethernet card working, you can get online and download the remaining drivers, possibly through windows update. be sure to select custom update, not express, so it will search for the hardware drivers for you.
SOURCE: my usb ports dont work on my dell inspiron 530s,
Hi there.. i just got the same scenario when i reformatted mine.
Here's how i solved it:
1 - im using winxp and used restore cd to format it then i install winxp sp3 patch.
2 - download and install latest drivers of my devices from website.
3 - install anti-virus and other software. good to go.
SOURCE: Dell optiplex 330 flashing orange on the power botton
Try to clean the RAM and place it again in the motherboard.
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