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 Forum index » House Training » Beginners Help ( Start Here)
Puppy 533 in Acer Aspire 5734Z: screen very dark.
Moderators: Flash, Ian, JohnMurga
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rmarks1701

Joined: 20 Oct 2012
Posts: 1

PostPosted: Sat 20 Oct 2012, 21:23    Post subject:  Puppy 533 in Acer Aspire 5734Z: screen very dark.
Subject description: How to make it brighter?
 

Hi there, sorry to join then post a problem, but I need some help.

I am working on an Acer Aspire 5734Z for a friend, and the HDD has frozen. They want to use the laptop in order to buy the parts they need to fix it, but for that they need a OS that is boot-able off a USB/SD drive, and so after some research I chose Puppy Linux (Small, fast, powerful, and easy to setup).

So onto my problem, Using Puppy Linux 5.3.3, and booting for the USB, it goes through the whole boot up process with the text just fine. However when it comes to displaying the graphical part (i.e desktop where you setup the keyboard/time etc) the screen shows very very dark, and the brightness cannot be adjusted (seems to be fixed at the minimum brightness level).
Other forums have suggested this is a problem with the Kernel (mint linux, ubuntu linux etc), but their solutions do not seem to work for puppy linux.

So how do i fix this please and then save the configuration settings to the USB drive?

Thank you for your time.
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cthisbear

Joined: 29 Jan 2006
Posts: 3417
Location: Sydney Australia

PostPosted: Sun 21 Oct 2012, 06:06    Post subject:  

Specs:

http://support.acer.com/acerpanam/notebook/2010/Acer/Aspire/Aspire5734Z/Aspire5734Zsp2.shtml

" Mobile Intel® GL40 Express Chipset with integrated
3D graphics, featuring Intel® Graphics Media Accelerator

4500M (Intel® GMA 4500M)

:::::::

Same thing ...same video card...so try my suggestion.

I was able to get the laptop to boot using puppy "squeeze" (lol)
and was able to get to my desktop.
I can now retreive all the files that are on the HDD....

http://www.murga-linux.com/puppy/viewtopic.php?t=81404


""""""""""

rmarks1701....read my Whirlpool reply.

http://forums.whirlpool.net.au/forum-replies.cfm?t=1998760

::::::::::

" I chose Puppy Linux "

Try this one....from pemasu.

DpupExprimo5X327 >>an earlier series....my pick

http://smokey01.com/pemasu/DpupSqueeze5X/DpupExprimo5X327

squeeze-5.X.3.2.7-SCSI.iso 23-Feb-2012 15:36 150M

"""

Close to your specs.

" Backlight off at boot on 4500M

There is an issue for Acer Aspire 5736z

with a GMA 4500M graphics chip,

this seems to affect other laptops too.

When you boot this laptop the screen is blank because the
backlight is extinguished (you can read it with a good flashlight).

This issue is present in at least kernels 2.6.39 and 3.0.3,
but seems to affect other versions also.
The issue arises when you configure the kernel with the i915 drivers
and kernel mode setting. "

" You can get a display by appending "nomodeset"
to the Grub boot command, but this may stop X from working
and you will only have low resolution. "

Hit F2 at bootup...in Slacko

and then typing >>>> puppy nomodeset

might get you there....worth a try.

Take your time...
just typing one letter will stop Puppy booting
until you hit enter >>> after first hitting F2

""""""""

Could not find any other commands...comments invited.

""""""

Control brightness on Dell Mini 1010 with Lucid 5.2.8

" Ok I have the same problem, and I've found

/sys/class/backlight/acpi_video0/brightness,

but I have no idea what to do with it.
(Yes I am completely new to Linux and Puppy, so I'll need baby
language from you command prompt ninjas. ;)

BTW:
I have a Samsung nf110 netbook I'm resurrecting that's running the latest Slacko and I want to turn the brightness UP.


ozsouth


" Open a terminal (console) & type:

echo 5 > /sys/class/backlight/acpi_video0/brightness

then press Enter.
Should give you about 71% brightness.

http://murga-linux.com/puppy/viewtopic.php?p=659707#659707

Chris.
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Les Kerf

Joined: 24 Jun 2012
Posts: 221

PostPosted: Sun 21 Oct 2012, 10:11    Post subject:  

I have an Acer Aspire 7741Z, and Slacko 533 is very dark and gloomy in appearance.

Slacko 531 is significantly brighter, as is Lucid 528. Thin Slacko 533T isn't too bad.

I suggest trying a different puppy.
Les
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partsman

Joined: 06 Jun 2012
Posts: 256
Location: OHIO,USA

PostPosted: Thu 25 Oct 2012, 15:52    Post subject: aspire dark screen
Subject description: dark screen fix
 

i have this same laptop the easyest wat to get around this is if you notice on keyboard at bottom left of spacebat in blue it says function hold it down and on the bottom right of spacebar the right arrow key has a half sun icon on it for brightness control press it once while holding down function key on left at boot up when you see the splash screen at normal startup in 5 sec . you will notice the screen get a shade darker ! thats all ya gotta do ! i do it subconsciously now ! you get used to it ! hope this helps !
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cthisbear

Joined: 29 Jan 2006
Posts: 3417
Location: Sydney Australia

PostPosted: Thu 25 Oct 2012, 18:29    Post subject:  

partsman:

Welcome to Puppy mate and thanks for your helpful reply.

Chris.
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