[Q] Brightness control not working - Gen8, Gen9, Gen10 Q&A, Help & Troubleshooting

Hello,
I got a G9 101 8GB version from a friend of mine. Almost everything is working fine (except touchscreen going crazy at times, registering touch on place where it did not happen, or eveen when not touching the tablet at all). But the big annoyance is that my brightness control is not working.
I can slide the slider around as much as I want to, it does not change the brightness. And because the screen has the biggest power consumption, this is really annoying, as the brightness is set at max.
Tried serching on this topic, found nothing.
I have reseted the tablet to factory settings, updated it, nothing helped. Any ideas? Thanks.

For your touch screen issue is it the same as this one : http://forum.xda-developers.com/showthread.php?t=1912138
Have you tried any 3rd party apps to see if they are able to adjust brightness ?
Sent from my Desire HD using xda app-developers app

Thank you for replying.
The touchscreen issue is a bit different, it occurs only occasionally and only in corner (ie it pushes back or "menu", depending how I hold the tablet). That is not a big issue now as it occurs sparely.
The brightness control is persistent. I tries some apps and widgets for brightness control, I can do what I want, it wont dim down . Any suggestions?
Also I would like to be reassurd - Archos has 1,5A AC charger, am I right?
Thanks.

LukeKiller said:
Thank you for replying.
The touchscreen issue is a bit different, it occurs only occasionally and only in corner (ie it pushes back or "menu", depending how I hold the tablet). That is not a big issue now as it occurs sparely.
The brightness control is persistent. I tries some apps and widgets for brightness control, I can do what I want, it wont dim down . Any suggestions?
Also I would like to be reassurd - Archos has 1,5A AC charger, am I right?
Thanks.
Click to expand...
Click to collapse
If you got terminal emulator or adb installed you can go "ghetto" and adjust the value in the sysfs, try "su -c 'echo 50 > /sys/class/leds/lcd-backlight/brightness'". needs root obviously and it's far from ideal but it will get the job done.

trevd said:
If you got terminal emulator or adb installed you can go "ghetto" and adjust the value in the sysfs, try "su -c 'echo 50 > /sys/class/leds/lcd-backlight/brightness'". needs root obviously and it's far from ideal but it will get the job done.
Click to expand...
Click to collapse
Thanks. Today the weirdest thing happened, I was playing a game and the screen dimmed a bit. At first I was like oh no, it is broken.. But now, the brightness control just works. Absolutely no idea what happened.
Now if I could figure out the ghost touches, they occur only, or better said mostly (90%) after starting the devide from sleep and only in the right down corner. After I mutlitouch the device many times it stops. Lol.
Anyway, really thanks for trying to help me. Appreciated.

LukeKiller said:
Thanks. Today the weirdest thing happened, I was playing a game and the screen dimmed a bit. At first I was like oh no, it is broken.. But now, the brightness control just works. Absolutely no idea what happened.
Now if I could figure out the ghost touches, they occur only, or better said mostly (90%) after starting the devide from sleep and only in the right down corner. After I mutlitouch the device many times it stops. Lol.
Anyway, really thanks for trying to help me. Appreciated.
Click to expand...
Click to collapse
Ahh the old Fixed it's self method of repair :laugh: There is a program in the background on archos tablet call autodim, maybe something like that was locking it.... Meh!

Related

Turning off LED button back lights

Hello,
Anyone have an idea of how to simply turn off LED button back lights?
It seems it could be done as there is already at least one app that uses them for notification.
Here is what I am trying to do:
I've downloaded a desktop alarm clock app that turns the screen back light WAY down so it is not disruptive in a completely dark room while sleeping. But, the buttons remain illuminated.
Basically 8 want to use tasker to launch those clock and turn off the button back lights if the phone is charging and the time is after a certain hour.
I am thinking I could fire off a script with tasked to do thwarting back lights portion of this as well, but I don't even know where to begin.
Any ideas? Thanks!
Sent from my Dell Streak using XDA App
I'm rooted, and use an app called AdjBrightness. Works wonders, and also via menu, you can totally turn off the LED lights.
Hope that helps.
Cool, I will check it out. Ideally I would like to do it automatically, without having to open another app, but this tells me it ostensibly at least doable.
Thanks!
Sent from my Dell Streak using XDA App
If you want the code, just do this from adb or from your phone's terminal.
echo "0" > /sys/class/leds/button-backlight/brightness
Thanks! I think that is getting pretty close to what I need. Any idea if/how this could be written or saved as a SL4A script that could be fired off with tasker?
Also, I'd need to configure an exit task as well for morning, so I will need to know how to set all the buttons back to normal.
I know this is kinda minor, but I am excited about it nonetheless. Looking forward to having a nice, super dim clock to check the time late at night.
Thanks again!
Sent from my Dell Streak using XDA App
Spleisher said:
Thanks! I think that is getting pretty close to what I need. Any idea if/how this could be written or saved as a SL4A script that could be fired off with tasker?
Also, I'd need to configure an exit task as well for morning, so I will need to know how to set all the buttons back to normal.
I know this is kinda minor, but I am excited about it nonetheless. Looking forward to having a nice, super dim clock to check the time late at night.
Thanks again!
Sent from my Dell Streak using XDA App
Click to expand...
Click to collapse
You could always leave your computer on overnight and make a macro that executes the adb command to dim the leds and then executes another that makes them bright again at a certain time.
There must be something similar you can do on the phone though.
Thanks for the thoughts Meltus.
Well, I did it! I actually created a solution that is, at least to me, the first thing I have done that might actually be worth it to others and might be worth sharing.
I'll post this in more detail in the Apps/Themes forum as I am not sure it belongs here, but the short version is that you can use a plug-in called "Locale Execute" that allows you run SU commands in Tasker.
So, I created a profile in Tasker so that when the phone is plugged in to AC power between certain hours (I may add some other contexts to tweak it, like maybe say it has to be in landscape orientation), it launches my desk clock app, turns the screen down to the very lowest setting (not the "low" setting allowed at the user level), and turns the button lights off using the command you gave me.
Then, when the AC power is pulled, It automatically goes to my default home screen, returns the screen brightness to normal, and turns the button back-lights back on.
It really is pretty cool!
Spleisher said:
Thanks for the thoughts Meltus.
Well, I did it! I actually created a solution that is, at least to me, the first thing I have done that might actually be worth it to others and might be worth sharing.
I'll post this in more detail in the Apps/Themes forum as I am not sure it belongs here, but the short version is that you can use a plug-in called "Locale Execute" that allows you run SU commands in Tasker.
So, I created a profile in Tasker so that when the phone is plugged in to AC power between certain hours (I may add some other contexts to tweak it, like maybe say it has to be in landscape orientation), it launches my desk clock app, turns the screen down to the very lowest setting (not the "low" setting allowed at the user level), and turns the button lights off using the command you gave me.
Then, when the AC power is pulled, It automatically goes to my default home screen, returns the screen brightness to normal, and turns the button back-lights back on.
It really is pretty cool!
Click to expand...
Click to collapse
Good job, sounds pretty cool
I'm sure many people will find this useful!
Does the louder volume app work with the streak?
SeanH said:
Does the louder volume app work with the streak?
Click to expand...
Click to collapse
No i'm afraid it doesn't. Also, send me a pm next time rather than ask in someone else's thread
I did turne off button's back-light by adjusting the context of "/sys/class/leds/button-backlight/brightness" file from 255 to 0, it works great, but it gets back to normal after phone restart, I even went to properties of the file and removed all the "write" rights, but it won't give in.

[Q] cannot wake up from sleep

Hi,
my new archos 101 often cannot wake up after sleep (deep sleep or screen timeout).
tried many methods: wifi disabled, battery booster, flight mode, sounds disabled... no luck.
i installed new fw, 2.1.8 and arctool with markets and google app and some games.
uninstalling maps and disabling wifi location didnt help. whats strange, is that sometimes screen turn on after 30s+ seconds..
i am new, but is there any way to check what's a process blocking it?
write to logs or connect via usb and check?
help very much appreciated
I'm having the same problem...
I just keep pressing the on/off button until the screen turns on. Didn't find a fix yet.
>>> i installed new fw, 2.1.8 and arctool with markets and google app and some games.
those were my 1st steps with archos, so dont know if it works in previous firmware.
right now, i dont want to do hard reset.
There is allready a discussion about this.
It seems that after the press, the archos is waking up, but the displaylight itself doesn't come up.
If you switch the display to abough 30% ( Settings/Display ) this doesn't happen again.
NOT kidding: the Archos has trouble turning on when cold. Try warming it on the radiator if its <15 degrees celcius.
Sent from my GT-I9000 using XDA App
success!
turned out, it is TRUE... 30% solved it!
btw, pretty ridiculous bug..
fzelle said:
There is allready a discussion about this.
It seems that after the press, the archos is waking up, but the displaylight itself doesn't come up.
If you switch the display to abough 30% ( Settings/Display ) this doesn't happen again.
Click to expand...
Click to collapse
30% of what? Increased brightness? I went to settings/display and couldn't find percentage level
As i don't have an english version, i can't tell you what you should read there,
but which other setting in display has percentages?
no % displayed, but just set if for 1/3 of the progress bar.
Jeezus, i cant believe it, but i can confirm that it's a brightness setting issue. It's so ridiculous but it's true. I have been frantically trying to find a solution to this problem for the past 30 mins, and turning the brightness setting to 40% worked to restore the screen after the soft sleep mode, when previously i had to keep rebooting the damn thing by longpressing the power button. THANKS A MILLION, GUYS!
Ohh i see i am not alone = ]
Thank you for the Workaround!
Sent from my A101IT using Tapatalk

[Q] Screen is always Dim

When I unlock the phone it always starts up very dim and sometimes it turns bright sometimes it doesn't. I have auto-brightness off and I have my brightness set to 100%. I have to move the slider off of 100% and back to 100% to get it that bright. It is very weird. Anybody know how to fix this?
I have the same problem.
Sent from my GT-I9300 using xda premium
Settings > Display > Auto adjust screen power (untick). Try now.
Been unchecked since day 1. Still does it. Possible that I have a defective unit?
HaruSoul said:
Been unchecked since day 1. Still does it. Possible that I have a defective unit?
Click to expand...
Click to collapse
Is it dim on the home screen or certain apps? cuz internet browser, video etc got their own brightness settings built in that you have to change from the settings within the app.
manbatistuta said:
Is it dim on the home screen or certain apps? cuz internet browser, video etc got their own brightness settings built in that you have to change from the settings within the app.
Click to expand...
Click to collapse
It is dim from the lock screen. Everything once I unlock it is dim. If I lock and unlock the phone like 3 times fast it is fine, but it's a pain in the ass. I'll see if I can take a video of it later when I get home.
I know you said "everything" but try to go to internet browser and disable "auto-brightness" under brightness setting.
Also upgrade your firmware to the latest one to see if that help. My Smart detect is not working and after upgraded it work every single time plus the cell stand by is much improved
I just got my phone back from service, they updated to LF5 - so far it has solved my proplems with dim
I have had 2 handsets that do this now. Its really annoying especially when you are outside.
Basically what is happening is that when your screen dims down before it goes off thats what is happening when you unlock the phone.
I can be using it for 5-10 secs before the full brightness kicks in.
It has nothing to do with power saver or internet. Just running through the home pages and apps list it is doing it.
I am on the latest firmware too.
Does anyone know whats causing it? Is it just a faulty handset (or 2)?
Mine the same. I don't think there bad devices I think its just software related tbh
Sent from my GT-I9300 using xda premium
Well im glad some others of you have experianced this also.
I just hope its something that will be fixed in an update.
It really p****s me off when it does it and im outdoors.

[H] Problems with brightness

Hi all! I'm having some brightness issues on my Razr i and any help would be great!
I'm on stock 4.1.2 and was using Power Toggles brightness slider to change the brightness, but suddenly, with no changes on the phone, the brigthness level would change only after turning screen off/on. But the problem is not related to the app I think, because even auto brightness isn't working properly... I mean, when it has to get brighter, it works, but when it has to dim, again only if I turn off/on the screen.
Does anyone know what could be causing it?
Thanks in advance!
Sorry for the bad english.
luizlee86 said:
Hi all! I'm having some brightness issues on my Razr i and any help would be great!
I'm on stock 4.1.2 and was using Power Toggles brightness slider to change the brightness, but suddenly, with no changes on the phone, the brigthness level would change only after turning screen off/on. But the problem is not related to the app I think, because even auto brightness isn't working properly... I mean, when it has to get brighter, it works, but when it has to dim, again only if I turn off/on the screen.
Does anyone know what could be causing it?
Thanks in advance!
Sorry for the bad english.
Click to expand...
Click to collapse
Although you don't think the app is causing the brightness problem's I would recommend uninstalling it for troubleshooting purposes and seeing if after you have uninstalled the app and rebooted the phone if after some time the problem persists. This way we can rule out if the app is or isn't causing the problem.
shimp208 said:
Although you don't think the app is causing the brightness problem's I would recommend uninstalling it for troubleshooting purposes and seeing if after you have uninstalled the app and rebooted the phone if after some time the problem persists. This way we can rule out if the app is or isn't causing the problem.
Click to expand...
Click to collapse
Thanks for the reply. I did uninstall it and the problem remains... I installed volume slider (which has a brightness slider too) and the same happens: non "real time" brightness changing and the auto brightness still doesn't work properly... =/
luizlee86 said:
Thanks for the reply. I did uninstall it and the problem remains... I installed volume slider (which has a brightness slider too) and the same happens: non "real time" brightness changing and the auto brightness still doesn't work properly... =/
Click to expand...
Click to collapse
That is odd, I would recommend booting into recovery and performing a factory reset and then see if that fixes your problem.
shimp208 said:
That is odd, I would recommend booting into recovery and performing a factory reset and then see if that fixes your problem.
Click to expand...
Click to collapse
This is what I was afraid of... =/
I will just wait a little longer to see if anybody faced this issue before. I'm pretty sure a factory reset will do (since it started to act like this all of a sudden) but I want to find the cause so it won't happen again or, if it happens, I won't need to do a factory reset...
It's weird... what could make this issue appear? =/
luizlee86 said:
This is what I was afraid of... =/
I will just wait a little longer to see if anybody faced this issue before. I'm pretty sure a factory reset will do (since it started to act like this all of a sudden) but I want to find the cause so it won't happen again or, if it happens, I won't need to do a factory reset...
It's weird... what could make this issue appear? =/
Click to expand...
Click to collapse
One possible way of figuring out what is causing this issue to happen is to generate a logcat when you are adjusting the brightness settings and see if the log reports any background processes that are causing errors with the brightness control.
shimp208 said:
One possible way of figuring out what is causing this issue to happen is to generate a logcat when you are adjusting the brightness settings and see if the log reports any background processes that are causing errors with the brightness control.
Click to expand...
Click to collapse
Thanks for helping me!
I never generated a logcat before. So I installed CatLog from Store and generated a logcat doing the following:
1) Set brightness to auto
2) Put the phone under a lamp
3) Turned of all the lights: the brightness didn't change
4) Turned off and on the screen: when the screen turned on, the brightness was already on a lower level
The logcat is pretty messed... it shouldn't be like that right? =/
Is this helpful?
luizlee86 said:
Thanks for helping me!
I never generated a logcat before. So I installed CatLog from Store and generated a logcat doing the following:
1) Set brightness to auto
2) Put the phone under a lamp
3) Turned of all the lights: the brightness didn't change
4) Turned off and on the screen: when the screen turned on, the brightness was already on a lower level
The logcat is pretty messed... it shouldn't be like that right? =/
Is this helpful?
Click to expand...
Click to collapse
From looking at the logcat there is a lot of errors and warning messages with loading certain library files and Android runtime services that relate to power and screen brightness sensing. Another peculiar thing I noticed was that NFC seemed to be generating a couple error messages as well. Overall you were definitely right about it not being a normal log in this situation, I also like your testing methodology :good:.
shimp208 said:
From looking at the logcat there is a lot of errors and warning messages with loading certain library files and Android runtime services that relate to power and screen brightness sensing. Another peculiar thing I noticed was that NFC seemed to be generating a couple error messages as well. Overall you were definitely right about it not being a normal log in this situation, I also like your testing methodology :good:.
Click to expand...
Click to collapse
NFC is disabled... =/
Well, so any suggestion? Or just a factory reset would do?
luizlee86 said:
NFC is disabled... =/
Well, so any suggestion? Or just a factory reset would do?
Click to expand...
Click to collapse
Unfortunately a factory reset would probably be the best thing to do.
shimp208 said:
Unfortunately a factory reset would probably be the best thing to do.
Click to expand...
Click to collapse
Just wiped data through CWM and the autobrightness still doesn't work properly...when it has to get brighter, it gets, but when it has to dim, it doesn't...
luizlee86 said:
Just wiped data through CWM and the autobrightness still doesn't work properly...when it has to get brighter, it gets, but when it has to dim, it doesn't...
Click to expand...
Click to collapse
You could also try re-flashing the stock ROM to see if that fixes it, another suggestion that could possibly work is running a fix permissions utlity.
Reflashed stock rom and reinstalled all my apps. Everything was fine. Went to bed and woke up, the same problem with power toggles reappeared...
EDIT: found what was causing it! It is the latest version of Floating Notifications (when show on lockscreen is enabled)!
Thanks a lot shimp!
luizlee86 said:
Reflashed stock rom and reinstalled all my apps. Everything was fine. Went to bed and woke up, the same problem with power toggles reappeared...
Click to expand...
Click to collapse
That's wicked bizarre that even after all those things the problem still persists. You could try bringing it in to Verizon to see if they can do anything otherwise a hardware issue may have arisen.
Sent from my SCH-I535 using xda premium

waking up after sleep.

Hi all, apologies if this has been answered else where.
Currently running a Lenovo S20-30 Win 10 dual boot with the latest Beta release. Surprisingly really enjoying it. The only real issue I am having is it waking after it goes to sleep. Mouse and cursor frozen and wont fully wake unless a reboot.
Is anyone else having similar issues and have a possible solution?
Thanks and appreciate the help.
Sent from my 20421 using Tapatalk
Yes and no solution as off now..
Sent from my SM-N920T using Tapatalk
My lenovo T500 reboots when it goes to sleep under Remix. My current "fix" is running a "stay alive" app I purchased for $2 (the free ones had too many ads or not enough functionality) that will dim the screen but not let it sleep if it has wall power or a good charge. I am also surprised how much I am enjoying it; the T500 is a screaming machine with Remix. It was barely adequate for web and RDP under Windows. I am getting incredibly good performance in Netflix, TWC TV app, Chrome, Dolphin and Microsoft RDP under Remix.
arbarnhart said:
My lenovo T500 reboots when it goes to sleep under Remix. My current "fix" is running a "stay alive" app I purchased for $2 (the free ones had too many ads or not enough functionality) that will dim the screen but not let it sleep if it has wall power or a good charge. I am also surprised how much I am enjoying it; the T500 is a screaming machine with Remix. It was barely adequate for web and RDP under Windows. I am getting incredibly good performance in Netflix, TWC TV app, Chrome, Dolphin and Microsoft RDP under Remix.
Click to expand...
Click to collapse
Can you share link to app?..
egren58 said:
Can you share link to app?..
Click to expand...
Click to collapse
To prevent spam on the XDA forums, ALL new users prevented from posting outside links in their messages. After approximately 10 posts, you will be able to post outside links. Thank you for understanding!
so...
details?id=com.synetics.stay.alive
you have to figure out the rest.
I made sure it worked at least somewhat before contributing to get the additional features. I am really hopeful that a later beta or some other app will give me more control. My notebook has a screen off mode that is better than just dimming but isn't sleep. I wish I could get it to use that. The dimming that the Stay Alive app does was enough that the screen would not keep me up at night but there is enough of a glow to know it is on. But it makes Remix more usable now.
I had this issue too. I noticed if you tap the power button once, the screen comes back on but the mouse won't still work sometimes. If you just tap the power button a 2nd time after the screens on, it would start working again. But I did have trouble w/ wifi coming back on after sleep. I had to toggle it off/on. Let me know if the double tap of the power button fixes it for you too?
BTW, I just added another little app - LockScreen (a free one). That way I can easily lock the screen if I walk away for a few minutes, have it dim but not sleep and reboot.
Tapping the power button again works for me to.
Tap, double tap not working here. Shame. Hopefully a fix soon.
Sent from my 20421 using Tapatalk
Another update on my sleep issue and workaround...
I don't know how things changed; I may have tripped a setting or something but using the LockScreen app was putting it to sleep and triggering the reboot instead of giving the Stay Alive app a chance to catch it, so I quit using the LockScreen and just let it time out and then the Stay Alive app would dim the screen and keep it from timing out. So no reboot, but unfortunately no lock screen; I wanted it to lock. Poked around some more and found an app listed as Hidden Settings for Galaxy but it isn't really Galaxy specific. One of the the things it does is let you set up and enable Daydream mode. It turns out Daydream doesn't work properly on Remix, but it fails in a good way. If you select the clock (or anything else, but stay away from full screen stuff as sometimes that will stay in the way for several seconds) and set it for both docked and charging, then when the screen timeout is reached the clock will show for a couple of seconds and then it will go to the lock screen (assuming you enabled, I guess), not go to sleep and Stay Alive dims the screen. Clunky and convoluted, but it ends up doing exactly what I wanted.
ETA - One other little nit - After it dims on the lock screen, focus is set to the text box and you just have to start typing the password to get the screen to brighten and unlock. Clicking does not cause the screen to brighten, which worried me at first (thought it was hung).
arbarnhart said:
My lenovo T500 reboots when it goes to sleep under Remix. My current "fix" is running a "stay alive" app I purchased for $2 (the free ones had too many ads or not enough functionality) that will dim the screen but not let it sleep if it has wall power or a good charge. I am also surprised how much I am enjoying it; the T500 is a screaming machine with Remix. It was barely adequate for web and RDP under Windows. I am getting incredibly good performance in Netflix, TWC TV app, Chrome, Dolphin and Microsoft RDP under Remix.
Click to expand...
Click to collapse
Thanks, Stay Alive works. Be interesting to see what it does to battery life. Hopefully a fix will come.
Sent from my 20421 using Tapatalk
Scooterss said:
Thanks, Stay Alive works. Be interesting to see what it does to battery life. Hopefully a fix will come.
Click to expand...
Click to collapse
Just be careful poking around at settings; I did something to make mine have issues with being locked after I had it working. More tweaks got it okay(ish) again. This is not a good solution for battery use; I don't think there really is one if standby doesn't work. Android/Remix doesn't seem to offer levels of powering off. What I would like to do is power off the screen, spin down the disk but leave the processor and wifi powered.
arbarnhart said:
Just be careful poking around at settings; I did something to make mine have issues with being locked after I had it working. More tweaks got it okay(ish) again. This is not a good solution for battery use; I don't think there really is one if standby doesn't work. Android/Remix doesn't seem to offer levels of powering off. What I would like to do is power off the screen, spin down the disk but leave the processor and wifi powered.
Click to expand...
Click to collapse
Yep going back to sleep again and not waking up properly with SA. Think will give up until a fix.
Sent from my SM-N9005 using Tapatalk
Mine is only doing that now on battery and it is usually on wall power. As I use it on battery so rarely, the simple answer is to just set the screen timeout higher when I do. On an older notebook like mine, a battery gives you freedom to move around the house/office with the machine running and maybe run without plugging in for two or three hours. It's my semi-lightweight UPS.
Anyway, I am not giving up. This is the only thing not working perfectly for me. My camera, mic, bluetooth, mouse and wifi all work fine. I stream videos in Youtube, Netflix, TWC TV, Amazon, FB and browsers with good sound and picture; no lag. I connect to work with Microsoft RDP and have less lag than using RDP in Windows. Yesterday I booted over to Windows to increase the size of my data.img (and had no trouble with that) and that definitely hardened my resolve. It is hard to believe I was putting up with that kind of speed just a few days ago. Now that I know I don't have to it seems worse.
After more research, I am back again with what I think is the final answer. I should and likely will write an app to undo this if my battery gets really low, but all you have to do if you never want your machine to go into sleep mode is press Alt-F1 to get the console and then do something like this:
# echo nosleeptilbrooklyn >/sys/power/wake_lock
And then Alt-F7 to get back. I did that as a test, unplugged from the charger and let it sit about 10 minutes with display timeout at 5 minutes. 5 minutes in the screen went dark. That used to be followed by a reboot about 5 seconds later. It did not reboot. When I woke it, it did initially show the main screen and then blanked it and brought up the password screen. For some reason I had to click before I could type (usually don't have to). Anyway, the above "fix" worked. To undo it, I need to just do this:
# echo nosleeptilbrooklyn >/sys/power/wake_unlock
There is a programmatic interface to do pretty much the same thing but with more options and I am thinking I may write something to use that to set the lock and then check the battery on a timer and unlock if it falls below 20% or some other setting.
EDIT TO ADD - A little more poking around yielded info that pretty much all manufacturers have had battery protection for several years now and will not let the battery run down into the kill zone even if the OS is frozen or even if it actively tries to stay alive. I would still advice checking your BIOS and/or doing some research on your particular system but it is likely safe to just leave it locked if you only want it shut down, hibernate or go into standby when you specifically choose that interactively.
Wake up from sleep using alarm manager is not working in Remix OS
Dear All,
I am working on project where I am able to put PC on sleep using alarm manager with wake lock but it is not waking up.
In remix OS 3.0.206 on intel machine.
Seek some ones support.
just close the lid of laptop if u r using lappy when u r not using lappy it will get locked never goes hangs

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