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60% (6)
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Acer Aspire TimelineUltra M5-481T-6642

Introduction

This laptop is something in between a traditional laptop and an ultrabook, it has an optical drive but not a VGA port.

This page is just for discussing using Linux on the Acer Aspire TimelineUltra M5-481T-6642. For a general discussion about this laptop you can visit the Acer Aspire TimelineUltra M5-481T-6642 page on LapWik.

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Specifications

For full specifications see the Acer Aspire TimelineUltra M5-481T-6642 specifications page.

NameAcer Aspire TimelineUltra M5-481T-6642
ProcessorIntel Core i5-3317M (dual-core, 1.7 GHz with Turbo Boost up to 2.6 GHz, 3 MB L3 cache)
Screen14-inch
1366 x 768 pixels (HD), 16:9 aspect ratio
112 ppi pixel density
Active Matrix TFT Color LCD
LED backlight & CineCrystal technology
RAMUp to 6 GB
HDD500 GB 5400 rpm HDD
20 GB SSD (Hybrid)
Optical Drive8X DVDRW DL
GraphicsIntel HD Graphics 4000
NetworkGigabit Ethernet(RJ-45 port)
Broadcom 43228 802.11 a/g/n or Atheros AR9462

Linux Compatibility

DeviceCompatibilityComments
ProcessorWorks
ScreenWorks
HDDWorks
SSDWorks
Graphics ChipWorks
HDMI OutWorksAudio and video :) see the notes below
Optical DriveWorks
SoundWorks
MicrophoneWorks
Microphone PortNot Tested
Headphone PortWorks
EthernetWorks
WirelessWorksTested for Atheros AR9462 with the solution below
BluetoothDoes not work Tested for Atheros AR9462
USB3Works
Card ReaderworksTested with a micro SD card inside an adapter
WebcamWorks
KeyboardWorkseven the backlight Fn+F9 works
TouchPadWorks Use Ctrl+Fn+F7 to enable
Suspend/ResumeWorks

Notes

Wireless

Before doing anything check your wireless card model with

  lspci | grep -i wireless

(You can also tether the wifi, through usb, from an android phone)

Atheros AR9462

There is a known issue (for many Atheros AR9xxx cards) related to the kernel version, see here: http://askubuntu.com/questions/40876/how-do-i-get-an-atheros-ar9287-working

My sugestion is to use

  echo "options ath9k nohwcrypt=1" >> /etc/modprobe.d/ath9.conf

Broadcom 43228

There is a known issue described at the bottom of this page: http://wiki.debian.org/wl, to fix this my sugestion is

  apt-get install laptop-mode-tools

and then “set WIRELESS_BATT_POWER_SAVING=0 within /etc/laptop-mode/conf.d/wireless-power.conf”

HDMI

The first time I tried to use the HDMI (with gnome 3 and pulseAudio) the thing didn't worked, a “dummy device” apeared, to get rid of it use (not with root, with your normal user)

  pulseaudio --kill
  pulseaudio --start

now is working with “Digital Stereo (HDMI) Output + Analog Stereo Input” in the hardware tab of the gnome sound settings

Touchpad

There are two ways to enable it:

  • Press Fn+F7 before logging in.
  • Press Ctrl+Fn+F7 once logged in.

Card reader

In order to make it work I had to place a card in the slot and reboot the system with the card inside.

USB Mouse

The usb mouse freezes, to fix this what I did was to install the `laptop-mode-tools`

  apt-get install laptop-mode-tools

then use

  lsusb

to get the mouse USB ID, something like `abcd:1234`, and then place that in the `AUTOSUSPEND_USBID_BLACKLIST` within the file

  /etc/laptop-mode/conf.d/usb-autosuspend.conf
  

Bluetooth

to fix it (if you have the Atheros AR9462 card) I recommend you read this
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1024884

Summary

You can enter a summary of how well the Acer Aspire TimelineUltra M5-481T-6642 works with Linux here.


Discussion

boclodoa, 2014/02/01 02:37

Warning: windows restore process after linux installation left my computer without been able to boot or access BIOS, I think it could be related with this (user guide p. 72):

Before performing a restore operation, please check the BIOS settings.
1. Check to see if Acer disk-to-disk recovery is enabled or not.
2. Make sure the D2D Recovery setting in Main is Enabled.
3. Exit the BIOS utility and save changes. The system will reboot.
Note: To activate the BIOS utility, press <F2> during POST.

user guide available in the acer site.
service manual: http://www.manualslib.com/manual/483173/Acer-Aspire-M5-481pt.html

EDIT: after getting the computer to the service center the problem appears to be a kind of lock of the HDD, taking out the HDD the computer is able to access BIOS and boots normally from an USB flash.

Abrown, 2013/06/18 05:27

I am having issues with the screen backlight not working. Orrignially the “Fn+Left,right” command was working great on Ubuntu 13.04. I installed burg bootloader and the started happening as it was when I was running 12.10. This may be purly coincidental, but has anyone experinced anything like this?
Aditionally I can conferm the issue of the WiFi (and ethernet) occationally dropping, like some other users had reported.

boclodoa, 2013/07/21 22:14

Backlight controls are working for me out of the box with “Fn+Left,right,F6”, tested in debian wheezy, and jessie

boclodoa, 2013/03/31 06:39

Note: the card Atheros AR9462 has both: wifi and bluetooth

user, 2012/12/12 00:46

I'm trying to edit this page but I can't find the way, may be the “edit this page” button is missing.

The laptop works very well (Debian Wheezy, and Ubuntu 12.04) but there are a few things to know:

You must enable the touch pad before logging in (Fn F7).

The wireless does not work perfectly, it goes down every 5 or ten minutes, really annoying but usable.

The bluetooth does not work at all, you cannot see other devices nor they can see you.

lovely things:
- suspend mode works very well (Fn f4), the battery can last a whole day with, say, 4 hours of real use.
- the gnome 3 feels smooth

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acer_aspire_timelineultra_m5-481t-6642.txt · Last modified: 2014/02/08 15:57 by 189.180.7.107
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