My USB ports in front are bad (loose) and I want to replace them. How do remove the cover in front to get to them? It looks like I could almost pull the cover off, but don't want to break anything. thanks.
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The front USB connectors are usually either molded into the front case or held in via a clip or screws. Unfortunately, when they go out due to the tab within the USB port breaking, they are not easily replaced as each manufacturer creates their own proprietary connector...not the USB part but the hardware to hold the USB in place. So you will find the hardest part of this project finding the right connector or "jerry-rigging" the new one to fit.
Another alternative is to remove everything from the old case...the mainboard, all the drives and whatever else can be moved, and put it into a new case. If your current power supply is good and of a standard size, etc...you can get a used case for around $10.00 and put all the other things from the old one in it. Fortunately, this series of Acer seems to be pretty much generic so everything should fit....just make sure the "new" case has good front USB ports.
I've never seen 2 front USB ports that were bad. I've seen 1 that was defective because the USB device that was plugged into it was broken off. However in that case it caused the power supply to short out and prevent the computer from powering on. Here is a link to your model: ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-760_Service%20Manual_en-us.pdf If the USB ports on the back of your computer work then the front ones should too unless there is a connector dislodged to motherboard. All USB ports use the same circuit.
To test the functionality of the usb ports in front of the computer
1. Insert another flash drive or another usb device like a usb mouse on front the computer
2. If it detect the usb device that means 2 things flash drive might be bad and the front usb port is working
3. If it does not, It means that the flash drive might be bad or the usb port is not connected to the front panel of the computer
4. Try also inserting the flash drive at the back of the computer see if the usb drive is detected in all ports
5. Check the BIOS for any usb port associativity
I removed one on a Gateway ZX4800-02. Remove two screws by the usb ports on the back. then remove the plastic piece covering the usb ports on the back. This will expose the HDD. Now to make it easier. remove the four screws holding the support bracket and remove support bracket. remove the three screws holding the HDD located up, right, and left. Now disconnect the HDD cable by pull it to the right by the connector. DO NOT PULL THE CABLES. My friend does that by habit all the time and it drives me crazy.
HDD should come out easy. Just remove the metal cage covering the HDD and Replace. Reverse order for reassembly.
Now does anyone know how to get off the damn front bezel!>!!?!?!?!? I can't figure it out.
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.
It does sound like your ports on the front might be bad. They usually connect to a seperate port on the motherboard than the rear ones, and I have seen devices short out the front ports, such as a USB music player.
You can remove the ports on the device manager, and they should come back ok, without worry. However, I doubt that is going to help the front ones. I think you have a hardware problem.
If that is the case, the easiest solution is to get a USB hub, and run a USB cable from the rear, to the front of the computer.
Perhaps its the drivers for the USB ports. Do you have or can you borrow a serial mouse and keyboard (PS/2 style)? If not, perhaps a local computer store may have an adapter to convert your USB devices to PS/2. Look at this site to get a visual of the device I am talking about: http://sewelldirect.com/ps2tousb.asp
This will allow you to bypass the USB portion of your computer and allow you to make the necessary changes in BIOS or to see if it is indeed a driver problem.