0
votes
1answer
24 views

Risks of using a laptop on battery after battery replace warning

I am using a Dell Inspiron 5010 (Windows 7 Home Edition), which is 44 months old. About 2 months back, the laptop gave me a battery replacement warning. The LED which turned white when charging, ...
3
votes
1answer
246 views

How can I make my Samsung Series 9 laptop charge the battery to 100%?

I use a Samsung Series 9 laptop running Windows 7. I notice that when I connect my laptop to its charger, it charges the battery up to 80% and stops there. I believe this is to extend long-term ...
0
votes
1answer
157 views

Computer Crash when Charging Cable Unplugged

On my laptop I get crashes every time I unplug my charging cable. It wasn't always like this, but has become like this over some time. Basically, I unplug the cord and it turns off instantly. It ...
0
votes
2answers
2k views

How to turn off USB charge?

Is there a way to turn off USB charge completely? There is manager that allows me to set power-off charging only when the notebook is plugged in or even when it's on battery, but with a certain ...
2
votes
0answers
292 views

Acer Aspire Laptop won't charge in Windows 7 Home Premium x64

I have an Acer Aspire 7750-6801 laptop running Windows 7 Home Premium 64 bit OS. The issue is that it will only charge sometimes when plugged in. I thought it might be a hardware issue, so I tried ...
3
votes
2answers
10k views

How to disable USB charging of external devices in windows 7

I'm using nokia mobile as a modem to connect internet . Now i want to prevent the USB charging feature via my laptop USB port. Because it drains my battery backup quickly while running without AC ...
1
vote
5answers
2k views

Half charged battery improves life time when adapter is used

On my Lenovo laptop, running windows 7, I got a prompt saying that, the system has noticed I am mainly using adapter, therefore I should keep the battery half charged. It justifies by saying, trying ...
1
vote
3answers
2k views

How to know the percentage of battery charged?

My battery is troubling me. Whenever it goes over 97% charged level ,the charging mechanism stops and my win7 shows "plugged in,not charging" message at the power indicator. At this point the battery ...
5
votes
5answers
2k views

Why do you need a valid driver to charge a device via USB?

Disclaimer: While this question is about my smartphone and hence may be considered off-topic, I'm hoping the more general issue (which could apply to other USB devices) can be answered in this forum. ...