diff --git a/doc/chromium.md b/doc/chromium.md
index 3917ec3..4c2bbd1 100644
--- a/doc/chromium.md
+++ b/doc/chromium.md
@@ -1,7 +1,7 @@
 1. install vaapi vdpau package:
     archlinux
     ```sh
-    sudo pacman -S libva-mesa-driver mesa-vdpau
+    sudo pacman -S libva-mesa-driver mesa-vdpau xf86-video-ati
     ```
 2. enable following flags:
   - chrome://flags/#ignore-gpu-blocklist
diff --git a/gui/suckless.sh b/gui/suckless.sh
index bb53f95..d928c54 100755
--- a/gui/suckless.sh
+++ b/gui/suckless.sh
@@ -67,7 +67,7 @@ export DMENU_DEFAULT_OPTS='-i -c -fn monospace:13 -nb #222222 -nf #bbbbbb -sb #5
 
 # auto startx
 [ -z "$DISPLAY" ] && [ -n "$XDG_VTNR" ] && [ "$XDG_VTNR" -eq "1" ] \
-    && startx
+    && startx -- -keeptty >~/.xorg.log 2>&1
 EOT
 
 
diff --git a/gui/sysutils.sh b/gui/sysutils.sh
index c939c1c..efd6596 100755
--- a/gui/sysutils.sh
+++ b/gui/sysutils.sh
@@ -91,3 +91,6 @@ echo RUN+="/bin/chgrp video /sys/class/backlight/intel_backlight/brightness"
 echo RUN+="/bin/chmod g+w /sys/class/backlight/intel_backlight/brightness"
 echo ```
 
+echo for amd ryzen laptop add "acpi_backlight=vendor" to /etc/default/grub and then run
+echo sudo grub-mkconfig -o /boot/grub/grub.cfg
+