laptop battery

[darwinsurvivor at gmail.com]

I can confirm that my Lenovo x220's manual states in the manual that it
will run without a battery, but the CPU will be clocked down. I can also
confirm (from using it) that this is exactly what happens.


~Doug

On Mon, Jan 5, 2015 at 11:39 AM, Raymond House <raymondh40 at gmail.com> wrote:

> Right ! like the touch features, most of that does not work under ubuntu,
> some do.
>
> On Mon, Jan 5, 2015 at 2:35 PM, CrankyOldBugger <crankyoldbugger at gmail.com
> > wrote:
>
>> Most hardware vendors are getting pretty good now for putting manuals
>> online, usually posting them in the Support section of their websites.
>>
>> Just keep in mind that the manual is written for Windows users, and may
>> contain instructions that only work in Windows.
>>
>>
>> On Mon Jan 05 2015 at 2:29:33 PM Raymond House <raymondh40 at gmail.com>
>> wrote:
>>
>>> Hey Cranky, thanks a lot I'll look at that,I wonder how you found that,I
>>> have been looking all over and was getting nowhere.
>>>
>>> On Mon, Jan 5, 2015 at 2:25 PM, CrankyOldBugger <
>>> crankyoldbugger at gmail.com> wrote:
>>>
>>>> I found this in the User guide for that model laptop (page 44):
>>>>
>>>> For information on connecting to AC power, refer to the Setup
>>>> Instructions poster provided in the
>>>> computer box.
>>>> *The computer does not use battery power when the computer is connected
>>>> to AC external power with*
>>>> *an approved AC adapter or an optional docking/expansion device*.
>>>>
>>>> For your reference, you can see the guide at
>>>> http://h10032.www1.hp.com/ctg/Manual/c03837811.pdf (pdf file)
>>>>
>>>>
>>>> On Mon Jan 05 2015 at 2:20:15 PM Raymond House <raymondh40 at gmail.com>
>>>> wrote:
>>>>
>>>>> Hi Andy, I'm using an HP pavilion model 15-n041ca.
>>>>>
>>>>> On Mon, Jan 5, 2015 at 2:12 PM, Andy Boersma <Andy at boersma.ca> wrote:
>>>>>
>>>>>> Most laptops will run without a battery, but some of the newer Intel
>>>>>> designed/build motherboards in them the CPU is cycled down.
>>>>>>
>>>>>> We did some test on a 2011 MacBookPro and a 2014 Dell Precision
>>>>>> Laptop, both CPUs slowed 40%
>>>>>> A Dell Latitude just continued at the same speed.
>>>>>>
>>>>>> Andy
>>>>>>
>>>>>> On Jan 5, 2015, at 1:53 PM, William Frick <frickwg at gmail.com> wrote:
>>>>>>
>>>>>> I suspect not as some of the charging circuits may need to have a
>>>>>> 'load' be it ever so small but at least there.  The battery also serves as
>>>>>> a large capacitor filling in during sudden large current draws such as
>>>>>> drive spinup etc...
>>>>>>
>>>>>> On Mon, Jan 5, 2015 at 11:46 AM, Raymond House <raymondh40 at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Thanks for all the input on this subject,I guess what I'm really
>>>>>>> looking for is can I run the laptop on the power supply only? without the
>>>>>>> battery.
>>>>>>>
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>>>>>>>
>>>>>>>
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