Question about Lenovo ThinkPad R51e Notebook

2 Answers

USB ports work at 1.1; s/b 2.0

I have a Lenova R51e with two USB ports that are supposed to be 2.0. I have a USB 2.0 memory card reader. If I connect it to either port, I get a message that says 'the device can work faster if you connect it to a USB 2.0 port'.

The Device manager and PC-Doctor for Windows that came installed seem to think everything is ok, and the ports do work (albeit at 1.1 speed). I have a PCMCIA USB 2.0 card, and if I install it and connect the memory card reader to it I don't get the message.

TIA

Posted by on

  • thelabguy Jan 19, 2009

    The USB ports that came with the machine were supposed to be 2.0.



    I just got off the phone with Lenova. Downloaded and installed a BIOS upgrade, uninstalled all USB ports via the hardware device manager, rebooted and now the USB ports work at 2.0 like they should, with no annoying window saying the new deivce could work faster if I pick the correct port.



    thanks, anyway.

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Your computer is functioning correctly.
The USB ports on your laptop are USB1 ports its pard of the hardware.
Your PCMCIA USB 2 card runs at USB 2 speed and therefore when you connect a USB 2 device to this port you will not get this USB message.

Posted on Jan 18, 2009

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Your USB ports on your computer are plug and play. If you have issues with your USB port, it is port related, driver related or device related. The following solutions will help you identify the problem to resolve your USB port issues.
To Identify a Working USB Port
Begin troubleshooting your USB ports by checking Device Manager to see if your USB ports or hubs are working properly.

  1. Click the Start button. ClickControl Panel.
  2. ClickSystem and Maintenance.
  3. ClickDevice Manager.
  4. Double-clickUniversal Serial Bus controllersand check to see if all your USB ports, hubs and controllers are functioning correctly. Any devices not functioning will have a yellow exclamation mark in front of them.
  5. If Device Manager shows any USB ports, hubs or controllers are not functioning, check for updated drivers.

To Update the USB Port Driver

An out-of-date BIOS driver can create issues with your system recognizing the USB port.
  • Watch a Video on Steps to Update Bios on Your Computer.
    1. When the update process is complete, your computer will restart again to load the operating system with the new driver version installed.

Posted on Jan 05, 2015

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