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15 Posts


Petaluma, CA

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  • Posts: 15
  • Registered: ‎12-29-2009
  • Location: Petaluma, CA
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W701 Won't boot with USB dongle attached

2010-11-02, 1:52 AM
W701 with current BIOS (6KET46WW v1.12) will hang if there is a USB dongle for a Microsoft Explorer Mouse USB dongle in the upper left USB (2.0) socket on boot. Works fine if you put the USB dongle in the lower USB/eSata socket. Note that the upper socket on this 2541-W1Z is NOT a USB 3.0 port (silver, not blue). Course I don't want to put it in that socket since I like to use that for eSata... Apparently the same problem exists in the W5XX laptops as well, but I don't see a post discussing the issue on the W701.

19 Posts


Birmingham UK

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  • Posts: 19
  • Registered: ‎10-30-2010
  • Location: Birmingham UK
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Re: W701 Won't boot with USB dongle attached

2010-11-03, 10:17 AM

Have you seen the thread 

Hangs on boot with Logitech wireless keyboard


Yours may be a similar problem.


I'm about to get a W701 in a day or 2 and will be in the same situation. I'll check it out and report back when I can.

ThinkPad W701 25002LG, i7 2Ghz,FX 3800M, 4Gb,16GB, SSD 320GB, DVDRW, RGB WUXGA, Wacom, Col Sensor, Fingerprint reader, Mini Dock

132 Posts



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  • Posts: 132
  • Registered: ‎11-29-2007
  • Location: RTP, NC
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Re: W701 Won't boot with USB dongle attached

2010-11-08, 21:57 PM



The USB port above the eSATA/USB combo port on the W701 is the USB3.0 port.  You will see the trademark "SS" stamped next to the port signifying 'Super Speed'.  That is the true way to tell...don't always look for the blue plastic insert as not all systems have them.


There are USB 2.0 legacy devices that have a problem booting in the USB3.0 port....but not all.  The solution is to plug your device into a USB 2.0 port (under the USB3.0 port or the ports on the right side of the system) or plug the device into the USB3.0 after successful OS boot.






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