0
votes
0answers
15 views

Can I prevent my Windows laptop from waking up when the lid opens?

My laptop (a Lenovo Thinkpad W530 running Windows 7) regularly wakes from a sleep state in my bag, draining battery and overheating badly (even when I make a point to leave the fans unobstructed by ...
1
vote
0answers
51 views

Avoiding sleep when lid is close and no one is logged in

I've an old Dell Latitude laptop that I've converted to CentOS 6.5. As this is going to work like a server (i.e. no one will use it directly) I've changed from UI the power management option to ignore ...
0
votes
1answer
450 views

Linux Mint 16 on HP Pavilion dv6 laptop - power management doesn't work

I installed Linux Mint 16 on my HP Pavilion dv6 laptop. On Linux, my laptop always seems to be under load (fan spins at full speed etc.) Is there any power management tool / driver that could help ...
0
votes
2answers
101 views

How to wake a sleeping laptop

I have an old compaq pressario CQ61 that's getting a bit old and I'm trying to convert to a media server. I want to put it by the TV and leave it mostly alone, and manage remotely (via RealVNC). Now ...
0
votes
0answers
60 views

win 8.1 can't sleep automatically after hibernating

There have been many post online about win 8.1 not entering sleep mode, my problem however only happens after I wake the device from hibernation (data saved to memory, power off). laptop: Asus eee PC ...
0
votes
0answers
99 views

HP 2000-bf69WM doesn't wake from sleep after downgrading to Windows 7

I have an HP 2000-bf69WM laptop that originally shipped with Windows 8. I have since downgraded it to Windows 7 Ultimate x64 SP1. I have installed all the drivers from HP's website for the laptop, ...
0
votes
1answer
49 views

How to know which /proc file is used to set the backlight?

How to know which /proc file is used to set the backlight ? $ ls -1F /proc/acpi/ returns : ac_adapter/ battery/ button/ event wakeup xbacklight works. I use awesomeWM with Ubuntu 12.04, on a dell ...
0
votes
2answers
67 views

Win8 on laptop: lid turns off only the monitor

I have an Asus S400CA with Win8. When I'm home I access it with VNC. I'm trying to config its power settings so that, when it's plugged on AC, when I lid close it, only monitor is turned off and ...
1
vote
1answer
68 views

Laptop will not power from battery

I have an Acer Aspire 7551G that will not power from battery, the AC adapter must be connected for the machine to boot and as soon as the adapter is removed the laptop instantly dies. The contacts ...
0
votes
0answers
70 views

Closing the lid of my notebook doesn't have any effect

When I close the lid on my Samsung 900x3c-A01 nothing happens, both on Windows and Linux... I've made double-sure all the OS' settings are correct, I even tried to set them up so they would shut down ...
1
vote
2answers
280 views

Low processor performance after removing and then plugging the power cord

It's really confusing. When plugged in, everything is lagging. On battery everything goes smooth, three times as fast. I looked into power options, set everything to default and tried the three ...
0
votes
1answer
128 views

How can I view events that cause laptop screen to turn on from standby (but not sleep)?

On a Windows 7 laptop, is there a way to see exactly what device or process triggered the screen to turn on? I'm referring to the "screen off" mode where the notebook is still on, but the screen has ...
0
votes
2answers
3k views

Windows 8 custom power plan keeps resetting itself

I just got a new Haswell laptop, and was experiencing very short battery life: about 3-4 hrs with minimal use. I knew this had to be wrong, so I checked the power plan, and found that "HP Recommended" ...
1
vote
0answers
43 views

Can I prevent Windows 7 from restoring my brightess setting when the power state changes?

I have a question regarding Windows 7. I have set different values for the screen brightness when on battery and when on AC power (in the power plan settings). If I manually change the brightness of ...
1
vote
0answers
80 views

Windows should display warning when on battery

I have purchased my first laptop recently. But, the problem is many times I forgot to connect it to power supply. Due, to which all of my battery get exhausted and I get warning when it is only 10% ...
0
votes
2answers
439 views

Does running a dual-core processor with one core disabled reduce power consumption?

I have a Core 2 Duo laptop, and I want to extend my battery life as long as possible. If one was to use an uniprocessor kernel, the second core should not be 'booted' for use by the OS (for lack of ...
0
votes
1answer
49 views

Server Power Management

I am making a single ssh server, and unfortunately, my area suffers from frequent weather-related power outages. This is going to be a bit of a problem if I want to have a server running unless: a) I ...
0
votes
0answers
18 views

Windows 8 Notebook doesn't stay awake, unable to turn off Sleep Mode [duplicate]

I have an ASUS Pro64JQ notebook, running Windows 8 Pro (64-bit). Recently I noticed that it automatically goes to sleep mode after 5 minutes, even when I turn sleep mode off in the power management ...
1
vote
1answer
157 views

How can I link a keyboard shortcut to different power plans/profiles in Windows 7?

For example, the different power plans I have available on my Dell e6420 are listed as: How can I link these options w/ a keyboard shortcut, such that I could either a) toggle through them, or b) ...
0
votes
0answers
3k views

Can a faulty battery cause my laptop to shutdown even on AC line? (battery installed AND plugged in together)

until recently I experience something rather annoying (and troublesome) with my laptop: it spontaneously shuts down itself without any warning, and restart right after that. No blue screen, no hanging ...
0
votes
1answer
1k views

Linux suspend or sleep on lid close

How can Fedora 17 (LXDE spin, if it matters) be configured to sleep or suspend when the lid of a laptop (Lenovo S10 netbook) is closed? With a 'stock' installation (from the LXDE spin live CD), ...
0
votes
2answers
598 views

Leaving the charger in the laptop after it is fully charged [duplicate]

Possible Duplicate: Should laptops remain plugged in when their battery is 100% charged? Is there any problem if I left the charger connected to the laptop after full charging? And if there ...
3
votes
1answer
265 views

CPU clock scales down so computer is unusable after switching to battery

When I am plugged in my laptop runs great however when I unplug it and I'm on battery power my CPU clock speed scales down pretty much all the way. I know this is happening by monitoring the clock ...
10
votes
2answers
4k views

Laptop randomly waking up = Hibernate / Low Battery?

A (Windows 7) laptop has been annoying me since the day we got it. When it is put to sleep (the lid closed), it seems to intermittently wake up randomly during the night (i.e., 10pm, 1:30am, 7am, ...
1
vote
0answers
104 views

Linux and battery usage [closed]

I want to install a linux distro on my laptop but I do not want to have a massive battery drain. I remember reading some kernels drain the battery faster then others? Would Mint Linux or Ubuntu out of ...
0
votes
0answers
222 views

Dell C840 hangs on resume from standby

I have an older laptop - Dell Latitude C840 - with Windows XP Pro SP3. Everything works fine except for standby. It will go into standby but has great difficulty getting back out. On resume, sometimes ...
1
vote
1answer
556 views

Second HDD automatically stops after 30 seconds of inactivity

I have ASUS G53JW notebook with two HDDs (2x500GB Seagate ST95005620AS). Second HDD automatically stops after 30 seconds of inactivity. Always. I'm using Windows 7 x64. If I run a game from this HDD ...
1
vote
1answer
719 views

Is there anything to do with a dying li-ion battery when it's nearing its end of life?

Should I keep it in the fridge? Should I constantly discharge and recharge? Should I keep my hopes up or should I buy a new battery?
0
votes
1answer
346 views

Is possible to lower power consumption at new Kernel 3.2?

I'm currently using Kernel 3.2, but i'm don't like it's high power consumption. Is there any way to lower it. I'm currently using Arch. But i'm not afraid of gentoo where almost everything gets ...
2
votes
2answers
146 views

Strange laptop wakeup. Why does it happen?

Here is what happens: I put my laptop to sleep. I turn on my light My laptop wakes up. Why does this happen? BTW, they are both connected to the same power strip. Could my laptop recognize ...
0
votes
3answers
9k views

Docking station power adapter is not recognized by my Dell notebook

At this morning, my laptop (Dell Latitude e6410) gave me this error. I didn't do anything, I didn't change anything. And I got this docking station just 2 month ago. I made a little research on the ...
2
votes
1answer
440 views

Full battery being reported as critical in Debian/Ubuntu

I got an interesting problem that I am not sure where to do with. I have a laptop running Debian 6 / Ubuntu 11.10. I have it dual booting. The laptop is a Toshiba m645 s4045. The problem is something ...
4
votes
1answer
483 views

How to reduce power consumption on laptop when running Ubuntu

I am having Ubuntu 10.04 on my laptop. The battery doesn't last as long as it does when on Windows. Any thing we can do to improve it ? Its a Lenovo Y410 notebook with core 2 duo processor and 2 ...
4
votes
3answers
14k views

Secondary monitor shuts off when laptop lid close

I have a new dell XPS laptop. My external Dell monitor attached to my laptop.Everything works fine if my laptop lid is open, but if I close the laptop lid, I lose the display on the monitor attached ...
2
votes
3answers
4k views

Laptop fan always on with AC, not always on with battery, despite being configured

My laptop occasionally gets somewhat hot, so I've configured my power plan in Windows 7 so that the fan should always be on whether powered by AC or battery. However the fans don't always run when ...
6
votes
1answer
7k views

Change power plan when laptop gets plugged in

On my laptop I have the 3 standard Windows 7 power plans. I want my laptop to automatically change the power plan, when I plug in the power to my laptop. I couldn't find this feature, am I missing ...
1
vote
2answers
949 views

How to maximize notebook battery longevity? [duplicate]

Possible Duplicate: What are some good practices for making sure my laptop battery serves its full life? The battery on my ThinkPad T410 only lasted for one year. Now, when "fully ...
3
votes
1answer
736 views

How to disable brightness intensity switching by power plans and AC/battery modes?

This is a "feature" in Windows 7, but I can't see how it is useful; it just annoys me. Every power plan and the AC/battery mode has its own setting for brightness intensity. So, if I switch power ...
2
votes
1answer
124 views

Computer won't start after changing power options

Have a older IBM thinkpad with Vista that worked fine, but it it started not to log off..so I read some threads and changed all the power options to "do nothing" because I thought it was going into ...
1
vote
1answer
273 views

Is a laptop computer going to save its extra cost compared to a desktop computer due to lower electricity consumption, after more than one year? [closed]

There's a lot of talk with people advising laptop users that they gain only mobility and other advantages while they always lose on money. But I noticed the monitor of an old desktop computer can go ...
2
votes
1answer
1k views

Automatically changing a power profile when a laptop (un)docks?

I'm looking for a way to automatically change what happens when I close my laptop's lid depending on if it's in its docking station or not. In an idea world, the on-close behavior would be nothing ...
4
votes
3answers
139 views

Protecting a Laptop in a Surge-Ridden Area

I am traveling to Nepal with a laptop, where power frequently surges and wanes (brownouts). What do I need to protect the laptop? A surge protector? Voltage regulator?
2
votes
1answer
678 views

Laptop Power saving when in standby

After my laptop goes into standby is there any way to put it into hibernate when the battery reaches a critical level?
0
votes
1answer
341 views

Laptop HP530 has the same brightness with battery than with AC power

I have a notebook (HP 530) and I always noticed that with the AC power cable plugged the brightness of the monitor is greater than without it (i guess its to save power when running on battery). But ...
18
votes
8answers
832 views

What are some good practices for making sure my laptop battery serves its full life?

Basically, I'm looking for some do's and don'ts. Is it bad to keep my laptop plugged in when I'm not using it (majority of the time)? Is it bad to plug it in once I've finished using it (with it ...
1
vote
2answers
2k views

Monitor notebook power consumption on Windows 7 x64

there is this nifty tool called NHC (Notebook Hardware Control) for 32 bit notebooks which also shows the current power consumption. Now I have a 64 bit laptop where NHC doesn't work. Is there any ...
4
votes
2answers
3k views

Is a laptop damaged by always keeping it plugged in?

If I keep the power cord plugged in all of the time, will it damage my laptop?
3
votes
2answers
2k views

HP Envy screen brightness .. stuck

once in a while, the screen brightness stops responding to any reason, and stays on full brightness.. for those of you that have HP Envy, you know what this means... battery suicide. the FN+* ...
3
votes
1answer
2k views

Why doesn't my laptop battery charge while the laptop is in use?

Up until a week ago, my laptop has always been able to charge the battery while I'm using it. Now, it will not charge unless the computer is sleeping, hibernating, or turned off. The icon in the ...
2
votes
2answers
3k views

Making Ubuntu Sleep When Laptop Lid Closes

I am a brand new user of Kubuntu 10.0.4. So far, one of the major things I miss is the ability to have my system sleep when I close the lid of my laptop. Any tips on how to enable this behavior? ...