Change The Resolution

Open a terminal with Ctrl+Alt+t

$ xrandr -s 1280x1024

Just change the resolution to your desired resolution. Some resolution can't be applied, so you need to make sure the resolution is supported by your hardware.

Notes:

• This is just for that session only, you need to reconfigure the resolution again after reboot or shutdown
• xandr is only present after you go through the Updater Beta

$ xrandr --output LVDS1 --mode 1024x800

Change the res in the xorg.conf file, this can be don be pluging you Pendrive or SD card in to a pc running linux and editing it.

This example is for a Asus EEEPC 700

Section "Monitor"
  Identifier "Monitor"
  HorizSync 30-40
  VertRefresh 50-75
  VendorName "ASUS"
  ModelName "eeePC P700"
  Modeline "800x480"  29.58  800 816 896 992  480 481 484 497  -HSync +Vsync # 60 Hz
EndSection

First, you must gain read/write access to Chrome OS by using the Updater Open Beta. The updater will also install the nano editor and xrandr for you. After that, test which of these two commands properly change the resolution (replace 800×480 with your resolution)

xrandr -s 800x480

xrandr --output LVDS1 --mode 800x480

Now do

sudo su

and input “facepunch” as password. Then do

nano /etc/X11/chromeos-xsession

This will open the script that is run by SLiM after login.

Before the

exec "${WM}"                                          \

line, add either

/usr/bin/xrandr -s 800x480

or

/usr/bin/xrandr --output LVDS1 --mode 800x480

depending on which of these worked for you before. Replace 800×480 with your resolution, of course. Then do

reboot

and login as normally. Chrome OS should switch to the new resolution after login (the login screen will remain at the old resolution). (Andy C.)