20" Cinema display with USB and firewire ports not working

I have a new 20" display and was wondering why my USB and fire wire ports at the back are not working. I have an external drive that is powered hooked up to the fire wire port and a no powered piano keyboard to a usb port.
Any help please

Verify that the display’s USB and FireWire cables are firmly plugged in to the
computer. Do they show in your profiler?
Try different ports in the computer.
Verify that your computer ports are working with other known problem free device.

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I've been reading tons of forum entries in the Apple Support Community and in other forums. Nothing seems to answer quite what's going on with my Mac Pro Tower.
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- I've cleaned the whole inside of the computer and checked for loose cables. Cables are in so tight it's so hard to loosen them!
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     ∞ the front and back FW800 ports are unresponsive to my VoyagerQ dock
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     ∞ I also plugged in my Logitech webcam into the keyboard and it works there but not in any other port.
     ∞ When I plug in USB powered speakers into any of the ports, they work fine
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- a few times, including once today, my mac restarted by itself. The times before today, I thought it was because I was sort of moving back the computer in place, but today I was nowhere near the computer.
So what does this all mean? Should I do a clean install of the Mac OS? Or is it a problem with my Logic Board?
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Thanks Grant,
The battery is a start and something inexpensive to replace.
I did do a PRAM reset (command + option + P + R) and was able to hear the chime 4 times. I tried resetting it a number of times over the past week, as well as yesterday with no success in reviving the USB ports. But isn't it weird that my USB powered speakers work by plugging them in any USB port (with the mini jack pugged in the back or front earphone plug)?
I did not use the USB ports on the keyboard until yesterday, so that is not the cause of the other USB and FW800 ports failing. But I'll follow your suggestion and not use them except for the mouse.
Another weird thing that happened yesterday, I have 16GB of RAM and I spent all day trying to troubleshoot a RAM issue that is magically fixed after leaving the computer on overnight to do an extended Hardware Test. The issue was:
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- a red LED light appeared on the top riser
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I've searched the threads for something that will explain what kind of cable I need to use my Cinema Display with my MacBook Pro, and I'm not finding anything. The MacBook Pro has the Mini DisplayPort for video out, and the Cinema Display's only ports are two USB and two FireWire.
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short and wonder how this can be corrected. Also, the new iMac has
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I think the exact numbers are:
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Firewire. 63 devices daisy-chained or though hubs one of which is the computer.
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regards
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XP sp3 - iPhone 4s with ios 5.0.1 - on Three one plan
Tethering with wifi works to a friends Samsung phone, wifi on the pc confirmed working with the apple store wifi, tethering with USB and BT works with good connection speeds on my laptop but when i try to tether with wifi it connects to the laptop at 54mbps and all appears well, even claims to have received a small amount of data packets, but no data comes to any browser. The iPhone reports 1 connection to the hotspot and stays connected with a non-pulsing blue bar after the first minute.
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reinstalled itunes (latest)
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Hi everyone, so I own a Lenovo E530 with Windows 7 and just earlier today I plugged in my optical mouse into it, about 10 minutes in, Windows gave me a "not enough power message" for my USB 3.0 ports on the left side and they just stopped working. I have 3 USB 3.0 ports on the left side of the laptop, and one USB 2.0 on the right which works just fine.
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Here is a screenshot of what I am talking about.
http://i.imgur.com/mKqWpFU.png
http://i.imgur.com/RLkbyHY.png
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Hi,
Can you try this
The Device You're missing drivers for (PCI\VEN_1022&DEV_7814&SUBSYS_380217AA&REV_01) is definitely for AMD USB 3.0, this one's off from AMD WEbsite
http://support.amd.com/us/gpudownload/windows/Pages/raid_windows.aspx#2
download the AMD Chipset Drivers see if that'll work.
Have you installed the energy management?
If not please install this as well, I'm thinking this is what the other device is for.
Lenovo Energy Management
emw7034.exe
21.4MB
Regards
Solid Cruver
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W520, (2) USB 2.0 ports not working after updates

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bobbarker,
Quote
You can find them listed in the device manager if you choose view connections by resource.
Take Care,
Richard

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did not require an actual electrical plug (wanted the USB/FireWire to be used as the power source)
is at least 1TB (would prefer 1.5TB)
is (preferably but doesn't have to be) rugged
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I have four of them and I rate them very highly.
Ciao.

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Hello, @CeeeJaaay
Welcome to the HP Forums.
I see that the USB 2.0 ports aren't working correctly, that they just stopped. I will try to assist you with this.
Start with a system restore, if anything happened to the notebook recently that may be the cause this should correct it.
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If they still aren't working, I'd recommend contacting phone support for repair/replacement options.
Please call our technical support at 800-474-6836. If you live outside the US/Canada Region, please click the link below to get the support number for your region. http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html
Thank you for posting on the HP Forums.
I worked on behalf of HP.

20" Cinema display with USB and firewire ports not working

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