The mouse works fine if I plug it in seperately.

I bought a basic USB hub and plugged that into my beaglebone. It powered up 
normally.
I plugged in the mouse as well. They both power up for a second and then go 
blank.
Is this a hardware limitation? Can I ONLY use powered USB hubs?

Thanks

On Thursday, 26 September 2013 23:11:16 UTC+5:30, William Hermans wrote:
>
> Hi Sushant Khanna,
>
> I have read about similar issues with all sorts of devices, and as far as 
> I can tell the type of hub used can be a big factor in this situation. 
> First, if you have not tried checking if each device works by its self on 
> the USB host port ( individually ) I would do so now. 
>
> So, I think in this case I would check to see if the keyboard works by its 
> self with nothing else plugged into it. If it does, then yes this would be 
> a bit of a quandary, as putting this specific keyboard on another hub may 
> make the situation worse. All may not be lost though, there could be a 
> kernel driver module for this specific keyboard, although I would not hold 
> my breathe.
>
> You may want to try using a different keyboard / mouse, with a known good 
> working USB hub( if you have such laying around ). Spending money on 
> something and not having that work either . . . yes, I know would not be 
> ideal. Said hub should also be self powered.
>
> As to whether you're needing an external power supply I am not sure, and 
> Gerald would know better than I. However we all could use more information 
> to help us know what exactly is happening. Such as the serial debug output 
> at the time the board is powered up with the keyboard and mouse plugged 
> into the USB port. Sometimes, it can not be overstated how handy a serial 
> debug interface can be . . .  
>
>
> On Thu, Sep 26, 2013 at 6:35 AM, Gerald Coley 
> <[email protected]<javascript:>
> > wrote:
>
>> Not sure it will fix your issue, but the image you are using is very old. 
>> I suggest that you try a more up to date image on your board.
>>
>> http://circuitco.com/support/BeagleBoneBlack
>>
>>
>> Gerald
>>
>>
>>
>> On Thu, Sep 26, 2013 at 12:56 AM, <[email protected] <javascript:>>wrote:
>>
>>> Hi Guys
>>>
>>> Someone asked a similar question before, but no one had an answer then.
>>> I was going to give up and buy another keyboard but when I googled a bit 
>>> more, I saw that a lot of people are able to use it with their beaglebone 
>>> black.
>>>
>>> I will explain the conditions and problem in details.
>>>
>>> I have a beaglebone black powered up via a USB charger (NOT via the 5V 
>>> DC adapter)
>>> I have it connected to a display via a microHDMI cable.
>>> I am running Angstrom. Updated to 4.09.2013 image. (emmc boot)
>>>
>>> When I plugged in a normal wired optical mouse, it powered up and I was 
>>> able to use it.
>>> I then used an Apple keyboard as described in the title and plugged the 
>>> mouse to its internal hub on the sides. Nothing worked, both did not show 
>>> any signs of being powered up.
>>> I of course rebooted and checked *lsusb *output. I could see the Apple 
>>> device listed there.
>>>
>>> Is this a driver issue or a power supply problem?
>>> Kinda new, so help me out please.
>>>
>>> Thanks
>>>
>>> -- 
>>> For more options, visit http://beagleboard.org/discuss
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>>
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