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I'm trying to find high speed usb ports and always look at configurations but can't figure out where they are and the function of the other ports. i have a chinese manual and would really like to find english version for A8H/C2378 thanks if you can help W.

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Go to start menu right click on computer, then click properties then click device manager, in the Univerisal serial bus if there is a word that says "ENHANCED:" you have the newest USB out for 2.0.

Posted on Sep 17, 2010

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Usb are not allowed to connect the computer


Try this basic troubleshooting first:

If you have a problem with a USB device, try these methods first:
  1. Unplug and then plug in the device.
  2. If the computer prompts you for a device driver, read the information that was included with the device, or visit the manufacturer's Web site to see whether a driver is available.
  3. Run Windows Update to obtain the latest fixes for Windows XP. When this is complete, plug in the device to see whether it is installed correctly.
If the problem persists after you try these three methods, you can use the "Advanced troubleshooting" section to try to resolve the issue.

Because USB devices are Plug and Play devices, there is little that you can do to control or configure them. However, you can trace most USB problems to one of the following conditions:
  • Malfunctioning or incorrectly-configured hardware
  • Malfunctioning, incorrectly-configured, or missing device driver
  • Mismatched cabling
  • Out-of-date firmware or basic input/output system (BIOS)
  • Incorrectly-configured root hub
You can use the following troubleshooting tips to check for each of these conditions to help you resolve USB device issues.
Malfunctioning or incorrectly-configured hardware loadTOCNode(2, 'moreinformation'); Typically, if you plug a malfunctioning or incorrectly-configured device into a USB port, it causes the computer to stop responding (hang). In most of these instances, you must physically turn off the computer and turn it back on to reset the bus. Be aware that it may be more difficult to identify which device is malfunctioning or is configured incorrectly. If another computer that you know is working correctly is available, try to plug the device into that computer to see whether you encounter the same issue.

If the device is plugged into a secondary hub, unplug the device from the hub, and then plug the device directly into the root hub.

Many hardware problems (such as high or low power, bandwidth shortage, malfunctioning or incorrectly-configured firmware, and so on) can cause issues to occur.

Check Device Manager to be certain that the root hub is functioning correctly. If the root hub is displayed with an exclamation point (!) in a yellow circle, verify that the BIOS is assigning an interrupt request (IRQ) to the root USB controller. This is required for the device driver to be loaded. For more information about how to use Device Manager to troubleshoot hardware issues, click the following article number to view the article in the Microsoft Knowledge Base:
133240 (http://support.microsoft.com/kb/133240/ ) Troubleshooting device conflicts with Device Manager If no devices work when you plug the devices into the root hub, verify that the power requirements of the bus are not being exceeded. USB devices can draw a maximum of 500 milliamps for each connection. If a device tries to draw more power than this, the specification recommends that the computer should be able to disable that specific port until the computer power is cycled (this is known as "suspending" the port). In addition, if the device draws less than 50 milliamps, the port never becomes active.

Check the Power tab in USB Root Hub properties to check the power usage of the USB bus.
Malfunctioning, incorrectly-configured, or missing device driver loadTOCNode(2, 'moreinformation'); When you plug in a USB device, the computer should load and then configure the device without ever requesting a device driver (assuming that the device falls within the defined and supplied class drivers). If the computer prompts you for a device driver, check with the manufacturer of the device to determine whether a driver is available.
Mismatched cabling loadTOCNode(2, 'moreinformation'); There are two types of USB cables, high speed and low speed. Low-speed cables differ from high-speed cables primarily in their shielding. If you plug a high-speed device into a low-speed cable, you can cause signal distortion over long distances.

Verify the USB chain is working correctly to be certain that a device that requires the ability to draw power from the hub is not plugged into the chain on the other side of a non-powered hub. This causes that hub and all devices down the chain to be suspended. If the hub is a powered hub, verify that the power supply for that hub is configured correctly.
Out-of-date firmware or BIOS loadTOCNode(2, 'moreinformation'); The key to all USB devices is the firmware. The USB device's firmware contains all information about the device. A port is not reset until all descriptors in the firmware have been loaded and verified by the root hub. This is important because it applies to items such as printers and modems. Make sure that you have the most up-to-date firmware that is available for both your computer's BIOS and each device.

The symptoms of malfunctioning or incorrectly-configured firmware might be unusual. Typically, when you remove and then re-add a USB device, the device becomes available again. However, the device may be displayed as a second instance of that device, and load itself as such in Device Manager. If you see duplicates of a device, verify that you have the most up-to-date firmware for that device. This issue is common with USB printers and modems. A similar issue that has the same cause occurs when a device loads a device driver, and then adds a second device for which there seems to be no driver. The second device is displayed with an exclamation point in a yellow circle in Device Manager. The device may work correctly. However, you cannot remove the "ghost" device until you unplug the parent device that seems to have generated the ghost device. Also, you may be able to resolve this issue by updating the firmware or the device driver for that device.
Incorrectly-configured root hub loadTOCNode(2, 'moreinformation'); USB controllers require that an IRQ be assigned. The IRQ line is assigned in the computer's BIOS, and usually IRQ 9 is assigned.
Remove and reinstall all USB controllers loadTOCNode(2, 'moreinformation'); To remove and reinstall all USB controllers, follow these steps:
  1. Click Start, click Run, type sysdm.cpl in the Open box, and then click OK.
  2. Click the Hardware tab.
  3. Click the Device Manager button.
  4. Expand Universal Serial Bus controllers.
  5. Right-click every device under the Universal Serial Bus controllers node, and then click Uninstall to remove them one at a time.
  6. Restart the computer, and then reinstall the USB controllers.
  7. Plug in the removable USB storage device, and then test to make sure that the issue is resolved.


If all else fails,


In your BIOS Settings:

You need to go in the section of the devices. This section is called Peripheral Setup Integrated Peripherals or sometimes (as there are several types of BIOS, it is possible that this section is still another name). After this, go to the line named USB Function Controller, USB or sometimes. Then you place the arrow keys on your keyboard the word Disabled and press the + button. In principle, the word Enabled is displayed. You have therefore activate the USB ports on your computer. To save this change in the BIOS, tap the F10 key, then answer Y (Yes) to the message that appears.

(this may change depending on the motherboard)


Jun 20, 2011 | Computers & Internet

2 Answers

Cannot detect my webcam . .


reinstall the drivers i can find the site if you put the brand and model

Jan 18, 2011 | Computers & Internet

1 Answer

None of my usb ports function as "high-speed" 2.0 , and I constantly get the message that my device can perform faster if I connect it to a high speed USB 2.0 port. I bought this computer brand...


you usb ports are to slow for the usb 3.0 device that message keeps coming up saying that the device is better then your usb ports you have on your computer...almost every computer now have 3.0 usb ports that have very fast transfer rates for data back and forth. well i tell you the message you get is not trouble with your usb port it just trying to tell you the transfer rate will be slower with your usb 2.0 port... i hope this helps you.

Jun 13, 2017 | Sony VAIO Digital Studio PCV-RZ22G PC...

1 Answer

When uploading pictures from my cameras SD card the computer suggests using a hi-speed USB port. I have tried the other ports and it tells me the same thing. Which port is the High speed? Dell Dimension...


you have no high speed ports installed on your computer. what you have is USB 1.0. you can however purchase a high speed USB pci card (usb 2.0) and install it in your computer to get faster transfer speeds.

Jun 11, 2010 | Dell Dimension 3000 PC Desktop

2 Answers

When I plug a wireless cable into a USB port, the computer tells me that there are High speed USB ports available but does not inform where to find them.


Right-Click on My Computer, Properties, Device Manager, then Click on Universal Serial Bus Controllers, u will see the USB port available on your computer there. Also, at the same time you are doing this, try checking all the USB ports on your computer...most times, the HIGH-Speed USB Ports (USB 2.0) are always seperated from the other USB ports...so try the USB port seperated from others.
In your own case, Acer TravelMate 2303LCi has just 3 USB slots, a PC card slot, modem and network slot. No floppy drive, no TV-out, no IR, no Wi-Fi. So check-out USB Ports, the USB port infront of the Laptop beside the Audio Port and and the Speaker, on the extreme-right is your USB 2.0 High-Speed Port.

Jul 09, 2009 | Acer TravelMate 2303LCi Notebook

3 Answers

External HD not recognizing USB ports as being Hi-speed ports


I have the same issue. I have 4 Simpletech Signature 250GB drives. They all worked fine at first. After about six months two of them started connecting at USB 1 speeds. It occurs on 4 different computers!!! The post about it being the computer assumes is wrong. How can it work fine for six months and then suddenly change. Also it occurs on different computers. I have submitted a tech support request with simpletech and will post the results.

Jun 14, 2009 | SimpleTech Signature Mini 160GB External...

1 Answer

No high speed usb port


Hi Delvin!

The 2 usb-ports on the front and the 3 back of your Dell is high speed ones, at least the manual says so, they are all USB 2.0.
If you cant get them work properly with the 2.0 usb speed, you can buy an high speed pci add-in- card and install it on your pc.

Here you can read about the "high speed usb" :
http://www.usb.org/developers/usb20/

And here is the manual and avalible drivers for your Dell:
http://support.dell.com/support/topics/global.aspx/support/my_systems_info/manuals?~ck=ln&c=us&l=en&lnki=0&s=gen

Good luck to you M8!

Please take a moment and rate my help for you

Nic

Feb 23, 2009 | Dell Dimension 1100 PC Desktop

1 Answer

High Speed USB controller


You can purchase a high-speed PCI usb card. These are generally inexpensive and can be found at best-buy or perhaps walmart.

Feb 01, 2009 | Western Digital Passport 160GB External...

1 Answer

Hanging problem


ya u are rite connect the cable thr will show that mtp connected then transfer music but is it hanged on than this means ur usb port has problem than try to use different usb port...make it sure u are using rear usb port of ur pc.....hanging problem is only due to breakage in transfer of data that is only due to low usb port...i have same problem i always connect my media player in front usb port of pc then i got to know that it has low speed than i connect it to rear of usb port in my pc that is high speed port than it worked smoothly

Sep 02, 2008 | Samsung YP-K5JAB MP3 Player

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