All Questions
Tagged with power-supply laptop
430
questions
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answers
29
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How to protect my laptop from power surges while travelling abroad? [duplicate]
Possible Duplicate:
How do I protect my laptop from power surges?
Most of the outlets in south east Asia are non-grounded. Additionally the electrical wiring and power grid standards here are ...
- 3,902
0
votes
0
answers
167
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Using a laptop power adaptor with higher voltage but lower power [duplicate]
Possible Duplicate:
Charging laptop with non-original charger
Is it safe to use a power supply with a different laptop?
I've recycled a acer laptop from a friend, but original power adapter is ...
- 131
0
votes
1
answer
2k
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Compaq Presario CQ40 unexpected turn off
My Compaq Presario CQ40 (yeah, its pretty old) suddenly turns off after about 1/2 - 1 hour usage without any notice or warning. The power cable and adapter works fine (indicator bulbs show that power ...
- 229
0
votes
1
answer
467
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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 ...
- 97
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votes
1
answer
47
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Will some laptops not boot without the proper charger?
So, I'm the person who asked about that Compaq Presario 2500 laptop.
Well, guess what I found at another garage (well, it was smack dab in the middle of our local copy/paste American city) sale? ...
- 105
0
votes
1
answer
417
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How to know if the computer is getting enough power?
I have a UPS (650VA) and connected few devices including a laptop to it. I need to know is there a software or any tool or any way that I can know the devices are getting enough power? And also is ...
- 3
0
votes
3
answers
2k
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My Toshiba Satellite c850 won't display screen
Before this happened, I had some occurrences where my laptop's screen turned off out of no reason. Everything was still on (the sound, tasks in thr computer, fan, etc. was working). I tried closing ...
-1
votes
2
answers
6k
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Battery not charging, laptop only works when plugged
Yesterday my battery was working fine (for an old computer). It could sustain a normal usage for three hours at least. Today I have the following symptomas:
I noticed that it didn't charge, even ...
- 131
-1
votes
2
answers
458
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How much more battery time would I gain by not having any hard drive? [closed]
My idea is to load an operating system to a tmpfs at boot time from an USB drive or a SD card. All write operations would then be carried out on the ram. (Assume that I have a lot of RAM).
I would ...
- 1,067
-1
votes
2
answers
6k
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Higher Amperage and Higher Watt for Laptop Charger [duplicate]
My laptop's charger was not working anymore. So I bought a new one. However I couldn't find an exact matching charger, I bought a different one. My question is; Will there be any problems with new ...
-1
votes
3
answers
3k
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Toshiba A100 laptop battery wont charge wont run on ac power for more than few minutes..then shut down
my Toshiba A100 laptop battery seems to charge when not switched on but pretty much as soon as windows loads it then shows battery dropped down to 7%, then 3% then just shut downs...it then "charges" ...
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-1
votes
1
answer
63
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Dell Inspiron 15 power cable port is loose; what are my options?
My Dell Inspiron 15 laptop power cord has been yanked and jerked so many times that the interior plug has come loose, and now it is increasingly difficult to plug in the power cord. (I suppose that's ...
- 1
-1
votes
1
answer
499
views
Using 7A power cord on 10A laptop
Does using a 7A power cord on a laptop that needs 10A damage components or mess something up? I know I need a new one but I have already used the old power cord. This laptop is a Compaq Armada 1500 ...
- 147
-1
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2
answers
1k
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Can I charge my inspiron 15 7000 using a lower wattage charger without frying the charger?
I would like to be able to play games on my insprion 15 7000 while on road trips, but it's power hungry and the car's cigarette lighters are 120 watt, so the 130 watt charger won't work. I was ...
- 129
-1
votes
1
answer
210
views
Power button not working
I put a laptop apart several times and now power button isnt working. I did start the computer by moving the ribbon (that connects power button and motherboard) left and right where it is attached to ...
-1
votes
3
answers
611
views
Can software keep my laptop from charging?
I have a Lenovo S540 with debian testing (stretch) set up. A couple of days ago I noticed that the battery is not charging even when it's plugged in. Of course this could be a broken power cord of ...
- 270
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votes
1
answer
227
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Laptop shuts down randomly
Model: HP Pavillion 15-e010au
I had a water damage accident about a year ago. Milk spill. Since then i have left the laptop in the closet for a year.
Now when i turn on the laptop:
Battery power: ...
- 151
-1
votes
1
answer
1k
views
Fried ASUS laptop with universal charger?
Several days ago, the charger for my ASUS K50IJ laptop (19V, 3.42A) died. So, I bought an Omega universal charger with 11 different plug-ins, but I managed to first use the wrong plug-in (I later saw ...
- 133
-1
votes
1
answer
68
views
Laptop powers off within seconds of powering on; suspect battery issue; how to confirm?
I sometimes leave my laptop open and on overnight -- laziness, I suppose. A few days ago, when i woke up, I saw my laptop was shut down. Odd as I didn't recall turning it off. When I tried to restart ...
- 117
-1
votes
1
answer
270
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Laptop accessories for mobile warrior (light power adapter & case/bag) [closed]
Lugging my X301 between work and home, I realized my laptop's accessories weigh more than the laptop itself!
I'm ordering a 2nd AC power adapter so I don't even have to carry one at all, but I may as ...
- 9,267
-1
votes
2
answers
406
views
Why my laptop battery is declared dead but lasted several hours shortly before?
I recently bought a second hand Lenovo X230 laptop, and used it without problem on the battery. However at some point the battery was low and I shut down the computer and plugged it for the night. ...
- 179
-2
votes
1
answer
83
views
Connect plug to plug for laptop
Is it OK to Laptop PSU -> Plug-1 -> Plug-2 -> Wall Socket?
Problem: Plug 1 can accept PSU forks, but its forks are too thick for Wall Socket. Plug 2 fits in Wall Socket, but cannot accept PSU ...
-2
votes
2
answers
806
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Is it possible to limit the current draw through the charger of an Asus laptop?
My laptop's charger broke, and I have been using a borrowed charger as a replacement while I wait for a warranty replacement. The original charger is 120W (20V, 6A) and the borrowed charger is 65W (19....
- 151
-2
votes
1
answer
44
views
My laptop (a Dell Inspiron) has started boot looping after I Connected a 12v power source to my Arduino that was connected to my laptop [closed]
My Dell Inspiron has started boot looping after I connected a 12v power source to my Arduino that was connected to my laptop.
I was trying to run a DC motor using the L293D motor controller, and I was ...
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-2
votes
1
answer
164
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Is there enough evidence that this USB-C power bank works with my laptop as per the specification and not harming my laptop? [closed]
I recently purchased a HP ProBook 440 14 inch G9 Notebook PC. According to the specifications, user manual, and user guide that came with the unit, as well as the USB-C power connector port symbol on ...
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-2
votes
1
answer
144
views
Laptop turns off immediately after I turn it on
My laptop was having overheating issues so I decided to open it up and replace the thermal paste and install a new fan, so far I only have removed the old thermal paste residue using rubbing alcohol ...
- 1,604
-2
votes
1
answer
281
views
I have a dead battery and my laptop refuses to come out of power saving mode even while charger is connected
I have an Acer e5-576g laptop. I used this laptop as a PC and it is always connected to AC power. Up until recently my battery even though it was weak worked and because I was always charging it was ...
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-2
votes
1
answer
708
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Will an external battery power bank power an mini-ITX board (~200W)?
I was planning to build a laptop from scratch, and I've found some good DC-DC converters that allow you to use an external power source to power a standard desktop board (in this case a mini-ITX). The ...
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-3
votes
1
answer
41
views
Laptop needing a more powerful power supply?
I have chosen a laptop to use both for university use and gaming: Lenovo Yoga Pro 9 16IMH9. It is quite expensive and has great specs and features, but unfortunately has a major flaw.
According to one ...
- 1
-5
votes
1
answer
69
views
Computer and power supply [closed]
If the computer is given power supply with the battery removed from it, and suddenly the supply goes off, in such an event what happens to the computer? what happens to it in the long run?
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