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Battery, WTF?

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Suntan Sid
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Joined: 07 May 2009
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PostPosted: 02:36 - 04 Mar 2020    Post subject: Battery, WTF? Reply with quote
I have had a Toshiba Chromebook for 5 or 6 years, it has always worked well for what it is.
Two or three weeks ago, however, I noticed that the battery life was not what it used to be.
I ran the battery test, in the OS, and it returned a result of 75%, not good but not near the 50% mark, which is apparently the critical point.
Over the last couple of weeks the battery has been running down really quickly, it dropped from 9 hours to 4 hours! Even more worryingly the battery was running down while the machine was in sleep mode.
This culminated a couple of days ago, when I'd used it for 10 mins in the morning, shut the lid, then opened it up again at 4:30pm only to find no battery power at all, all the battery had been used up when in sleep mode!
Assuming all hope was gone I ordered a new Chromebook, I should have it tomorrow.
However, having re charged my old Chromebook up, it is now back to normal battery life, it's not using anything in sleep mode and it's still got 6 hours of battery life left!

What is going on?
There was nothing running in the background, wifi is turned off when the lid's closed, bluetooth is off and cast is off.

I was thinking of getting another anyway so that is not a problem.
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doggone
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Joined: 20 May 2004
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PostPosted: 10:16 - 04 Mar 2020    Post subject: Reply with quote
Sounds like a flakey connection in which case it could easily go bad again.
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RhynoCZ
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Joined: 09 Mar 2012
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PostPosted: 12:19 - 04 Mar 2020    Post subject: Reply with quote
Malware?
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P.
Red Rocket



Joined: 14 Feb 2008
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PostPosted: 12:39 - 04 Mar 2020    Post subject: Reply with quote
RhynoCZ wrote:
Malware?


On a Chromebook, you'd have to be really dumb and click odd shit. Even then, it's just browser hijacking and it would be so obvious.

My Chromebook is 4 years old and battery is depleted within a few hours use now, if I leave it for a week it's dead. I don't expect batteries to last more than 2 years now anyway but I am basically computer bound everyday and it's the norm for our devices to start shitting batteries at the 4 year mark 😆
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Riejufixing
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Joined: 24 Jun 2018
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PostPosted: 13:00 - 04 Mar 2020    Post subject: Reply with quote
How much is a battery? £15 to £30, something like that?
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P.
Red Rocket



Joined: 14 Feb 2008
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PostPosted: 13:24 - 04 Mar 2020    Post subject: Reply with quote
Riejufixing wrote:
How much is a battery? £15 to £30, something like that?


Disassembly is not worth it. Laughing
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RhynoCZ
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PostPosted: 13:32 - 04 Mar 2020    Post subject: Reply with quote
Paddy. wrote:
RhynoCZ wrote:
Malware?
On a Chromebook, you'd have to be really dumb and click odd shit. Even then, it's just browser hijacking and it would be so obvious.

Well, it does run an somewhat android compatible if not based OS, doesn't it? I once got a malware on my phone, that ran ads in the background, when the phone was not being actively used, so you would not notice it. I always use the official Google app store, never click odd shit and I don't even browse the internet on the phone.

I had the same issues as OP, unexplainable battery drainage. I googled a bit, found out it could be a malware issue, ran a scanner and found malicious software on the phone. Erasing the infected files fixed the phone.

I'm not saying I'm 100% sure OP's machine is infected, but checking this is literary free of charge and takes only a few minutes to do so. Before he orders a new battery and starts to take his computer apart.
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P.
Red Rocket



Joined: 14 Feb 2008
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PostPosted: 13:54 - 04 Mar 2020    Post subject: Reply with quote
Its a 5/6 year old Chromebook, doesn't hold the latest OS and there are literally hundreds of great Chromebooks out now.

There is no real reason to not upgrade at that point of its life.

An Android phone and the Play Store is asking for trouble anyway... I run a chinese phone and have disabled all Play Store and Play Services.
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Im-a-Ridah
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Joined: 20 Oct 2006
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PostPosted: 14:02 - 04 Mar 2020    Post subject: Reply with quote
Which old and new chromebook do you have?
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Suntan Sid
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Joined: 07 May 2009
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PostPosted: 14:21 - 04 Mar 2020    Post subject: Reply with quote
Im-a-Ridah wrote:
Which old and new chromebook do you have?


My old chrome book is a Toshiba "CHROMEBOOK 2 CB30", I think, the label on the back is worn away and there's no other way of identifying it, AFAIK.
New one will be a HP something or other, will know for sure later.

The old one is still holding up today, hardly any battery usage at all.
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Riejufixing
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Joined: 24 Jun 2018
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PostPosted: 16:19 - 04 Mar 2020    Post subject: Reply with quote
Paddy. wrote:
Riejufixing wrote:
How much is a battery? £15 to £30, something like that?

Disassembly is not worth it. Laughing

Seems easy enough (see youtub videos, e.g. https://www.youtube.com/watch?v=Jh30o8Ud9fo ). I like fixing stuff, especially if it's got something like "No user servicable parts inside" written on the outside. That's a direct challenge!
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Im-a-Ridah
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Joined: 20 Oct 2006
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PostPosted: 20:18 - 04 Mar 2020    Post subject: Reply with quote
Suntan Sid wrote:
Im-a-Ridah wrote:
Which old and new chromebook do you have?


My old chrome book is a Toshiba "CHROMEBOOK 2 CB30", I think, the label on the back is worn away and there's no other way of identifying it, AFAIK.
New one will be a HP something or other, will know for sure later.

The old one is still holding up today, hardly any battery usage at all.


Meh old one is a celeron dual core with an emmc drive. I'd just stick it somewhere as a spare but I wouldn't waste the time repairing it. Just use the new one it will be miles better.
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xX-Alex-Xx
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Joined: 12 Sep 2019
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PostPosted: 23:45 - 04 Mar 2020    Post subject: Reply with quote
I've always considered 80% as the critical point .....

It's not just about overall capacity, it's about delivering the required current when under load which a worn out battery won't be able to provide as consistently (which is the reason why Apple were throttling phones with poorer batteries).
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Suntan Sid
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PostPosted: 02:09 - 06 Mar 2020    Post subject: Reply with quote
The old one is still being miserly with the battery today, maybe it was the threat of extinction that cajoled it back to life. Laughing

There's nothing wrong with it, I only use it for web browsing and youtube, it doesn't actually do anything important.
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