Dell Chromebook 13 3380 Chromebook 11 3380 Disassembly and Reassembly Guide - - Page 70

Command, Purpose, sound beamforming, sound record [duration], sound play, sensitivity [1-5] | set

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Command Purpose peers in the network and shares the downloaded updates with them. Run this command without arguments to see the current state. rlz < status | enable | disable> Enables or disables RLZ. rollback Attempts to roll back to the previous update cached on your system. Only available on non-stable channels and non-enterprise enrolled devices. Please note that this will power wash your device. route [-n] [-6] Displays the routing tables. set_apn [-n ] [-u ] [-p ] Sets the APN to use when connecting to the network specified by . If is not specified, use the network-id of the currently registered network. set_apn - c Clears the APN to be used, so that the default APN is used instead. set_arpgw Turns on the extra network state checking to make sure the default gateway is reachable. set_cellular_ppp [-u ] [-p ] Sets the PPP username and/or password for an existing cellular connection. If neither -u nor -p is provided, this shows the existing PPP username for the cellular connection. set_cellular_ppp -c Clears any existing PPP username and PPP password for an existing cellular connection. sound Low level sound configuration. Can be used to play/record audio samples and enable beam forming on Pixel. sound beamforming will enable/disable the feature. sound record [duration] will start recording. sound play plays the recorded audio samples storage_status Reads storage device SMART health status, vendor attributes, and error logs. storage_test_1 Performs a short offline SMART test. storage_test_2 Performs an extensive readability test. syslog Logs a message to system log. tpcontrol{status | taptoclick [on|off] sensitivity [1-5] | set < value>} tpcontrol {syntp [on|off]} Allows the user to manually adjust advanced touchpad settings. tracepath [-n] [/port] Traces the path/route to a network host. update_over_cellular [enable|disable] Enables or disables the auto updates over cellular networks. Run without arguments to see the current state. upload crashes Uploads available crash reports to the crash server. wpa_debug [] [--help] [--list_valid_level] [--reset] xset m [acc_mult[/acc_div] [thr]] xset m default xset r rate [delay [rate]] xset r [keycode] < on|off > Sets the wpa_supplicant debugging level. Tweaks the mouse acceleration rate. Tweaks the autorepeat rates. The delay is the number of milliseconds before autorepeat starts. The rate is the number of repeats per second. Turns autorepeat on/off. If a keycode is specified, it affects only that key. If not specified, it affects global behavior. 70 Diagnostics and Troubleshooting

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Command
Purpose
peers in the network and shares the downloaded updates with
them. Run this command without arguments to see the current
state.
rlz
< status | enable | disable>
Enables or disables RLZ.
rollback
Attempts to roll back to the previous update cached on your
system. Only available on non-stable channels and non-enterprise
enrolled devices. Please note that this will power wash your device.
route
[-n] [-6]
Displays the routing tables.
set_apn
[-n <network-id>] [-u <username>] [-p <password>] <apn>
Sets the APN to use when connecting to the network
specified
by
<network-id>. If <network-id> is not
specified,
use the network-id
of the currently registered network.
set_apn - c
Clears the APN to be used, so that the default APN is used instead.
set_arpgw
<true | false>
Turns on the extra network state checking to make sure the default
gateway is reachable.
set_cellular_ppp
[-u <username>] [-p <password>]
Sets the PPP username and/or password for an existing cellular
connection. If neither -u nor -p is provided, this shows the existing
PPP username for the cellular connection.
set_cellular_ppp -c
Clears any existing PPP username and PPP password for an
existing cellular connection.
sound
<command> <argument>
Low level sound
configuration.
Can be used to play/record audio
samples and enable beam forming on Pixel.
sound beamforming
<on|off
>
will enable/disable the feature.
sound record [duration]
will start recording.
sound play
<filename>
plays the recorded audio
samples
storage_status
Reads storage device SMART health status, vendor attributes, and
error logs.
storage_test_1
Performs a short
offline
SMART test.
storage_test_2
Performs an extensive readability test.
syslog
<message>
Logs a message to system log.
tpcontrol
{status | taptoclick
[on|off]
sensitivity [1-5] | set
<property>< value>} tpcontrol {syntp
[on|off]}
Allows the user to manually adjust advanced touchpad settings.
tracepath
[-n] <destination>[/port]
Traces the path/route to a network host.
update_over_cellular
[enable|disable]
Enables or disables the auto updates over cellular networks. Run
without arguments to see the current state.
upload crashes
Uploads available crash reports to the crash server.
wpa_debug
[<debug_level>] [--help] [--list_valid_level] [--reset]
Sets the wpa_supplicant debugging level.
xset m
[acc_mult[/acc_div] [thr]] xset m default
Tweaks the mouse acceleration rate.
xset r rate
[delay [rate]]
Tweaks the autorepeat rates. The delay is the number of
milliseconds before autorepeat starts. The rate is the number of
repeats per second.
xset r
[keycode] <
on|off
>
Turns autorepeat
on/off.
If a keycode is
specified,
it
affects
only
that key. If not
specified,
it
affects
global behavior.
70
Diagnostics and Troubleshooting