10
votes
3answers
723 views

Laptop Either Shows 100% or 0% Charge

I have a strange issue with my Compaq CQ 61 running Windows 2012 (server) and I have Googled for it really long and hard and also searched other questions here but in vain. I believe my problem is a ...
0
votes
1answer
35 views

Battery Meter in Windows 8.1 keeps showing “Balanced” a the top

I often use High Performance and Power Saver, but the "Balanced" power plan keeps staying at the top and I can't rearrange. How I can change what plans should be shown so I don't have to go to Power ...
0
votes
2answers
60 views

Laptop battery will not hold charge after spillage

I had a spillage on my laptop (white wine if you're interested). Thankfully the laptop seems to have survived however the battery no longer holds a charge. What makes this unique (from searching ...
2
votes
2answers
111 views

Can using a under powered laptop charger make my notebook shut down under heavy load?

I have a XMG P501 gaming laptop based on Clevo P150HM models at the moment connected to an under powered laptop charger. It is shutting down when under heavy load (3dmark, some games in particular) ...
2
votes
1answer
144 views

Why has my Battery Icon stopped updating in Linux?

I noticed something funky happening over the past week. My battery icon stopped updating. For a more specific definition, here's the expected and current behavior in detail: Expected Behavior ...
0
votes
0answers
9 views

Debugging power on issue

First off I don't know if this is the correct fora, for this kind of question. My personal Acer Aspire 5745G has an issue, namely that it usually has issues powering on. The issue is that when the ...
0
votes
1answer
131 views

Ubuntu laptop powers off without warning very soon on battery

Problem: I have a laptop. It works very well on AC power, but on battery power, it powers off in a few minutes, if not seconds, without warning. I saw lots of similar problems not only from SU, but ...
1
vote
1answer
55 views

Computer won't start back up. [duplicate]

I unplugged everything from my computer a couple of days ago because I had to move it. After half an hour later I plugged everything back but my computer wouldn't start. It's a HP desktop. Here are ...
0
votes
0answers
34 views

T61 Thinkpad beeps when almost fully charged

my Thinkpad continuously beeps when almost fully charged (like 90% charged), but when it is low on battery and charging, or not charging at all it doesn't beep. I had a similar problem in the past ...
0
votes
1answer
49 views

Anker Battery shuts off for HP Dv6 2064ca

I bought high capacity (12 cells) from Anker. Battery provides 3 hrs backup time when browsing or sitting idle. When laptop gets hot the cooling fan start to speedup. Especially while watching movies ...
1
vote
2answers
113 views

APC Back-UPS overload

I contacted APC to ask this question, but it has been 5 days with no response. My question is simple: I have an APC Back-UPS ES 750 (450 watts), but let's say I want to plug something that draws more ...
0
votes
0answers
88 views

Laptop dies and does not complete boot process if not on AC, yet battery is fine

My laptop, after a hard 6 years of use, is finally showing signs of electrical wear and tear through a myriad of strange issues, this being one of the least severe of them. I've experienced recently ...
0
votes
1answer
188 views

Laptop crashes when plugged in on AC and battery fully charged (Toshiba Satellite A300-1IW)

My laptop is a Toshiba Satellite A300-1IW (model no PSAGCE-02000VFR). From several months it was crashed suddently when I used it on windows 7 or Xubuntu. Today I notice that the laptop is apparently ...
0
votes
0answers
65 views

Battery port/internal battery supply/motherboard problems in an Acer laptop?

I'm not exactly sure what one is wrong. I personally think that it's the charging port, but two different computer repair places have given me the following answers in the title. It's not my cord, ...
0
votes
0answers
174 views

2012 Sony Vaio Often Shuts Down, Restart on its Own, or Will not Boot

My friend has a Sony Vaio he bought in 2012 Model: VPCEH27FD CPU: i5-24XXM (Will get the specifics later) RAM: 4GB DDR3 Graphics: Nvidia GT410M HDD: 750GB SATA3 OS: Windows 7 64 bit Home Premium ...
1
vote
0answers
69 views

Trying to run computer off DC but monitor is always blank

I am trying to get a computer to run off a DC battery. The computer seems to start fine (the CPU fan spins and the hard drive whirs), but nothing displays on the monitor. It just stays blank, as if ...
0
votes
0answers
375 views

Laptop won't turn on after it was shut off. Is it dead?

I'm currently I'm using my laptop without battery because my battery was dead. I didn't buy a new battery because I don't have a cash for now. Since then sometimes I accidentally unplug or sometimes ...
1
vote
1answer
58 views

Why was my laptop unable to turn on?

I suspended Ubuntu on my laptop, and then carried it in my backpack to another place. Then I found that the laptop was off instead of being suspended. I couldn't make it power on either, even with ...
0
votes
0answers
85 views

newly replaced laptop battery seemingly discharges

I am also referring here to Laptop battery holds charge, but won't charge any more. I may have the same problem but I am not sure, maybe DaBaer could answer me? The battery is a replacement ...
0
votes
0answers
296 views

Asus k50ij won't start, power problems

I am trying to fix an Asus L50ij laptop. Symptoms: lost all battery, wouldn’t turn on on power cable. My first guess was the power jack, because the transformer was good. I opened it up but the ...
0
votes
0answers
103 views

Powering a pico-ITX board with a UPS board for long intervals

I'm putting together a project to make a DIY "Tablet PC" with readily-available products that I can put together and use with little soldering effort. I have the motherboard and a 10" touch screen ...
0
votes
2answers
176 views

Laptop has black screen and fans on when on battery power

When trying to turn on my laptop using just the battery, the lights and fans run, but the screen and all other operations do not work. When the power cord is plugged in, the laptop works fine. It ...
0
votes
2answers
3k views

Battery shows 100% charged but netbook does not work without AC adapter

How can I test if the battery is connected internally to my netbook or if it is working? Is it possible that the battery has been disabled by a software setting? The battery shows 100% charged, but ...
0
votes
0answers
222 views

Ubuntu 12.04 shuts down suddenly when running on fully charged battery

When I use battery power in Ubuntu 12.04, it sometimes suddenly shuts itself down without any warning even though I am sure that the battery is almost fully charged. This never occurs when plugged in ...
0
votes
1answer
144 views

Laptop does not start anymore because of power issues

I had power issues with my laptop (HP Pavilion dv7 1040ef) for awhile (two dead accumutators, some shutdowns for no reason), but now my computer won't load anymore. I can still start it on ...
0
votes
2answers
3k views

Dell laptop dies when unplugged but the battery appears fully charged

To expand on what I mean, I checked the voltages of each cell in the battery pack and they each read about 4.0v ea (6 green Li-ion cells in a 11.1v 53WH battery) and the total voltage reads 12.4v. At ...
1
vote
0answers
254 views

How do I change power settings on my laptop to hear audio while running on battery?

I have a Lenovo ThinkPad with Windows 7. I can hear sound when my laptop is powered up on AC power. While on battery power I can not hear streaming media, such as YouTube. I was informed that I ...
-2
votes
2answers
36 views

Mobile Battery Packs [closed]

Are there any mobile battery packs that exist that can be used to power phones and other mobile devices? Is there anything specific I should look for or know before buying and using one
2
votes
0answers
148 views

Acer strange battery dissassembly issue

last week I bought an Acer M5-481T ultraportable laptop. Everything was working fine with the laptop and battery until I decided to disassemble it to upgrade the hard drive, which was a few days after ...
1
vote
1answer
3k views

Windows 8 power icon

The power icon in my taskbar is disabled. When I try to customize by triggering the system icons on or off, that particular portion of power is also grayed so that I can't use it anymore... Then, I ...
1
vote
1answer
497 views

HP pavillion dv6-1355dx battery light flashing 15 mins when shut down, then won't power up until battery and power removed and plugged back in

I have been reading about problems with the HP Pavillion dv6 series that match my problem a bit, but not exactly. I have a dv6-1355dx. It has just started refusing to power up. Here is the sequence of ...
0
votes
1answer
3k views

Lower power output when charging devices, is that ok?

Similar question to here: Laptop power supplies, does current matter? According to the answer, using a lower rated power supply/adapter could cause several problem such as melted power supply/cord. ...
3
votes
2answers
1k views

Does it use less power to connect to a tethered phone using USB or wifi or bluetooth?

If you are tethering to the internet through your mobile and your notebook is low on power you may want that connection to use the least possible power for your notebook. A USB connection will charge ...
4
votes
3answers
1k views

APC ups es 700 randomly overload

First of all, I live in Italy, Europe, so keep this in mind for Volt/Watt considerations. Standard voltage in Italian apartments is 220V. In my living room I have 2 APC ups, one being an ES-550 and ...
1
vote
2answers
741 views

How can I make Windows 8 battery life decent? [closed]

My Windows 8 Consumer Preview laptop gets great performance, but horrible battery life. It had excellent battery life while it was running Windows 7. Why? I've made the power plan use as little CPU ...
0
votes
0answers
233 views

/sys/class/power_supply files become zero until reboot to OS X and back to Linux

This is on a Macbook 2,1 dual booting Arch Linux and OS X Leopard. I use a conky script to disply my battery percent with: ${battery_percent BAT0} Recently, it switched from displaying coherent ...
4
votes
1answer
122 views

Why doesn't a phone li-ion battery die for 5 years and a pc li-ion battery dies in 1-2 years? [closed]

WHat is the major factor? heat?,size? consumption style like full discharge?
1
vote
1answer
132 views

Tracking a short

I was looking at a thread posted on earlier Laptop charger dying after plugging in? talking about a power issue with a laptop or the charger. I have done some testing and concluded that the short is ...
0
votes
0answers
37 views

What software issues are caused by power failure shutdowns? [duplicate]

Possible Duplicate: Is unplugging the power from a PC in standby or in normal mode bad for it? I have a laptop that had a failing battery. The battery life was very bad and if I ...
4
votes
1answer
3k views

Windows XP/Vista/7 Check Battery Charge from CMD?

Does anyone know how to get the battery status in windows? On Linux it is as simple as acpi -b but in Windows this simple task seems impossible. powercfg -energy can get all kinds of all information, ...
0
votes
1answer
212 views

I modified my registry and now my laptop doesn't report its battery or power settings

I saved a backup of my registry and then made a change to it. After the change, the Windows 7 battery meter no longer reported how much battery power was left. I also was no longer able to change ...
1
vote
2answers
674 views

Does Laptop's Battery Condition Power When On AC?

I doubt about this, but still want to hear what others think. UPS condition power but does laptop's battery condition power?
1
vote
2answers
328 views

Using Laptop Battery And Surge Protector Instead Of UPS? [closed]

I was thinking of using battery and surge protector instead of UPS. With UPS you have to: Do checkups Ship for battery replacements i.e it is a hassle. With laptop battery you have nothing to ...
5
votes
2answers
1k views

MacBook Pro not entering Safe Sleep

I've noticed since I got my new MacBook Pro (6,2, 10.6.7) that when the battery runs out while the computer is sleeping, Safe Sleep doesn't kick in upon restart. It used to be that with my old MacBook ...
2
votes
2answers
3k views

Why can't my laptop charge batteries or run on AC power?

I have a broken ThinkPad T61. It ran hot and died while on AC power. When I attempted to boot it, I got the BIOS message "Fan error." I'm assuming that something got too hot and broke as a result of ...
0
votes
4answers
3k views

Should my HP Pavilion dv6000 operate w/o battery pack while using electrical plug-in? Mine won't

While using my computer, it shut down, and I cannot get it to turn back on. I have tried removing the battery to see if the computer would work without it, but it did not. The light is on where the ...
1
vote
5answers
707 views

Myth or Fact: Graphic heavy/sound screensavers use more power than a blank screen?

So, is this true? Screensavers with graphics and sound effects will drain the power more quickly, whereas a blank screen will conserve power. And if it is true, how much more battery power/time ...
0
votes
5answers
102 views

Mobile power source [closed]

I was thinking of upgrading my battery on my laptop + as that has seemed to hit a bound I thought of buying a reasonable average car battery, charging it full up and using it with a inverter so I can ...
0
votes
3answers
200 views

Laptop battery replacement possible?

I have the standard Acer Aspire one 532h-2Db, I am looking to upgrade the battery from a standard 6-cell to a 12-cell ( for more longer terms away from the mains ) and I've hit a problem, I cannot ...
0
votes
1answer
387 views

HP Envy + extended battery, intermittently cuts out power

i got the big extended battery for HP Envy since i can only get 1HR of life from the regular one (fast cpu).. after getting the extended battery, after 1-2 months of use, it would randomly just shut ...