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Re: [LUG] Problem on video screen resolution. Fails to 480xXXX

 


On 09/06/2016 16:43, Martin Gautier wrote:
> 
> 
> On 09/06/16 16:07, Eion MacDonald wrote:
>> To DC Lug. Dear folk, any help welcomed.
>> 20160610 I have reset a number of older laptops to reuse with a Linux
>> distro to replace original MS Windows Vista.
>> Mostly all successful. All originally tested on Knoppix live Linux to
>> show they 'worked'.
>> However I find one machine a Fujitsu Siemens model ["Fujitsu Siemens
>> esprimo mobile v5535 laptop" Celeron Mobile 540-1.86GHZ, 120GB HDD, 4GB
>> RAM, 15.4 inch TFT, DVD-RW, was Vista Basic  graphics SiS (?)]  runs DVD
>> Live Linux distros (Ubuntu, Puppy, Knoppix,ect.)  correctly at screen
>> resolution of 1024x768   but when any of these distros are installed to
>> hard disc via ISO burnt to DVD , computer  only allows 640x480; and
>> xrandr shows this as only choice.
>>
>> All control screens off visible screen only partly visible.[why do folk
>> put select/command buttons at bottom right hand side?]
>> While xrandr in Live Knoppix shows up to 1280 x 765 available resolution
>>
>> Is there a way to force a specific screen resolution when installing a
>> Linux Distro to a hard disc?
>>
>> Am I missing (ignorant?) something in the way I set up the installation?
> In the first instance, run:
> 
> lspci -vnn | grep VGA -A 12
> 
> Which should help us work out what graphics chipset you have (Googling
> tells us it's a "SiS Mirage 3+ Graphics" though)
> 
> Googling that for Ubuntu implies it's fiddly to get working
> [http://ubuntuforums.org/showthread.php?t=1573218]
> 
> regs

Answer to lspci -vnn | grep VGA -A 12  gives

... VGA compatible Silicon Integrated Systems 771 /671 PCIE VGA
Rev 10    ....   and down to
Qualcom Atheros  AR24 x AR 542x Wireless Adapter


-- 
regards
Eion MacDonald

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