0
votes
1answer
7 views

Lenovo W510 randomly shuts down, won't boot

Today I went to turn on my Lenovo w510 and it wouldn't stay on long enough to boot. I tried it plugged into AC power (with and without the battery) and on battery power alone. All attempts yielded the ...
0
votes
0answers
23 views

How should i use my new lenovo laptop(power supply)

I usually keep it at home. Is it alright to use it plugged in? I don't want to mess up the battery. I love how smooth the laptop runs plugged in and i dont want to strain the battery by changing ...
0
votes
0answers
274 views

How to optimize battery lifespan of Lenovo Z510?

I just bought a Lenovo IdeaPad Z510 laptop, and before I boot it for the first time, I want to make sure to know the exact proper care to ensure the best optimization of the battery's (4 cell 48 ...
1
vote
3answers
502 views

Lenovo laptop: Is it ok to leave the battery charging while it is being used? [duplicate]

Is it ok to leave the battery charging while it is being use? Or is it ok to keep the power plugged in with full charged battery while the laptop is in use? Can this shorten battery's lifespan?
1
vote
0answers
144 views

Removing support for Lenovo's Battery Safeguard “feature”

Lenovo laptops now include a Battery Safeguard "feature" that disallows use of third-party batteries in models made after May 2012 or so. It appears this "feature" is provided by a Windows driver as ...
0
votes
0answers
50 views

Ubuntu sleeps after disconnecting power

I've Lenovo S400 laptop, dual boot with windows 7 and ubuntu 13.04. The problem is that whenever I disconnect the power adapter, ubuntu shows that that battery level is critically low and goes to ...
5
votes
2answers
4k views

Lenovo Energy Management - Battery life on dual boot

For nearly two years I was running only Ubuntu on my Lenovo G570 laptop. Recently I changed to dual-boot with arrival of Windows 8.1 Preview. With that I installed some Lenovo provided applications, ...
0
votes
2answers
591 views

Battery Charge Suddenly Drops from 54 % to 7 % [duplicate]

I own a Lenovo B 570 series laptop. The laptop and battery being an year old lasts only 1 hour. But the strange thing is that, when the charge comes down to 54 % it drops to 7 %(critical battery ...
3
votes
5answers
2k views

Is it normal for a laptop to discharge to 60% when not plugged in and not turned on for 5 days?

I recently purchased a Lenovo IdeaPad Y400 and have noticed that after I do the following: Use the laptop while plugged in Shut down and unplug (it is fully charged at this point) Turn it back on ...
2
votes
3answers
2k views

Advantages of a 130W vs 90W ac adapter?

I purchased a Lenovo T420S laptop with a 90W/20V AC adapter P/N 42t4426 through my IT department. Subsequently, I ordered a replacement adapter and received a 135W/20V AC adapter P/N 45N0054. The ...
0
votes
1answer
54 views

Do I need a 55++ battery to use a 27++ battery?

I just recently received a 9 cell 27++ battery for my T510. I've never seen this kind before - it attaches to the bottom of the laptop. If I try to use it instead of a 55++ battery, the laptop ...
5
votes
4answers
4k views

Battery charge suddenly drops from about 25% to 6%

I own a Lenovo Y500 series laptop. The battery being an year old lasts only 1 hour. But the strange thing is that, when the charge comes down to 25-20 it drops to 6%(critical battery level) in a ...
1
vote
1answer
1k views

T400: How do you disable the green brightness meter on a Thinkpad T400?

I find the green brightness meter that pops up when I am on battery to be annoying. Is there a setting where I can disable this?
2
votes
2answers
2k views

How can I turn off the battery meter on my Thinkpad T500?

I have a Lenovo Thinkpad T500 with Windows 7 Enterprise (n). Even though my laptop is docked (or plugged in), there is a battery meter to the left of the system tray: I'd like to turn that off if ...