All Questions
Tagged with power-supply laptop
430
questions
1
vote
1
answer
119
views
Getting electricuted when touching the laptop
My friend bought HP Pavilion 15-cc183cl, the seller immediately removed the ground pin, because the circuits in my country don't have ground, (the circuits aren't designed to have a ground pin), and ...
- 5,450
1
vote
1
answer
13k
views
ASUS Laptop screen briefly turns off when connect/remove power cord (with demo video)
I have no idea what is causing this truly bizarre problem. Whenever I connect or disconnect my power cable for my brand-new laptop, the screen briefly turns off (2-4 seconds). Its really annoying and ...
- 121
1
vote
1
answer
137
views
Can i use a Lenovo power adapter with a groundless cord? Should I?
My Lenovo PSU has a C6 power cord inlet:
I tried plugging in a C7 power cord but it doesn't fit:
Should I assume that it was done on purpose because using a groundless power cord would be unsafe and/...
- 378
1
vote
1
answer
26
views
Peak in laptop sound card output when something happens in AC power network
I have a laptop and refrigerator in the same room, plugged into different AC sockets (but they are probably on the same branch in the wall). In moments when refrigerator turns on and off it's ...
- 13
1
vote
1
answer
61
views
Power supply shuts off when attached to a specific notebook
I have a notebook that seems to cause a short, but I'm not sure
how to verify it as the root problem
how to fix it
The behaviour is the following:
I take a working power supply/cable from some ...
- 111
1
vote
1
answer
3k
views
Can I use Different charger: Similar Voltage, lower Amps? [duplicate]
My computer uses at 19.5V 9.23A charger.
I would like to use a 19V 4.74A charger on the same laptop.
The polarities and connectors are the same.
This article is the most comprehensive explanation I'...
- 131
1
vote
1
answer
1k
views
Will a broken screen harm my laptop?
My laptop fell on the ground and its screen cracked. Everything works perfectly except of course the broken screen. I ordered a new one already.
My concern is that, because of these large dark areas, ...
- 196
1
vote
2
answers
2k
views
Any easy way to combine (any) laptop charger with USB charger
I have a crummy laptop with only one USB 3.0 port and not enough power on that port to charge anything any fast. There are a lot of cheap USB 3.0 hubs on the market that support external power.
What ...
- 111
1
vote
1
answer
3k
views
Only allow laptop to charge battery to 95%?
My laptop makes a very loud noise (coming from some CPU idles state / power saving mode). This is a well recognized problem, and people on the internet seem to have not found a solution yet.
The ...
- 171
1
vote
2
answers
5k
views
Accidentally got a little bit of water in uninterruptible power supply outlet; just let it dry, or trash it?
So, I had some water in my home office, I know that wasn't very responsible, but let's not point any fingers here. Long story short, a bit of water ended up spritzed onto some of the actual plugs of ...
- 167
1
vote
5
answers
4k
views
Battery 100% still charging
I have a Acer AspireV3-772G running Windowws 8.1. My battery indicator shows 100% available ( plugged in,charging) status. I calibrated the battery but no difference. Also I have bought a new battery, ...
- 11
1
vote
2
answers
355
views
Do power adaptors automatically adjust current and voltage?
I purchased a new power adaptor (19.5 V, 3.33 A, 65 W) for my Compaq Presario v3000 laptop, as replacement for the old one (18.5, 3.5 A, 65 W). It is listed as compatible with my laptop model.
Does ...
- 111
1
vote
1
answer
4k
views
Dell Latitude D620 turns off when power connected
I've got an odd problem with a Dell Latitude D620 laptop.
If the laptop is running on battery alone then it works perfectly, however the moment you connect a power adapter to the laptop it shuts down....
- 113
1
vote
3
answers
185
views
should I suspect the power supply in this case?
My wife's old HP Pavilion dv6000 suddenly shut off during the first bootup after being powered off for about 12 days (I saw the Windows XP splash screen, walked out of the room, and when I came back 2 ...
- 135
1
vote
1
answer
1k
views
securing laptop power cords
I have a new Dell Inspiron 14R (model N4010) laptop. I tend to keep it turned on and running on AC power. It's usually on my desk, but I like to be able to move to a different chair on the other side ...
- 1,213
1
vote
1
answer
737
views
Toshiba Satellite l355-s7011 won't power up
My Toshiba Satellite l355-s7011 will not power up. How do I fix it? The DC port came out. I think it was dropped. I opened it up and everything looks fine but it doesn't power up.
user26103
1
vote
2
answers
2k
views
Flashing power led
The power LED on my HP Pavilion is permanently blinking, even when on mains. It also battles to 'awake' from Standby mode, just powering up without restoring. It also does this when I try and power ...
- 2,651
1
vote
0
answers
268
views
Laptop Docking Station not detecting HDMI Monitor when connected via type C cord
I have a Lenovo Legion laptop and a dell monitor. Also have seperate keyboard and mouse which i use for gaming.
I bought the Dock by Honeywell(https://amzn.eu/d/1gtN4ZN), which comes with a small Type ...
- 11
1
vote
1
answer
3k
views
windows laptop event log power source change from battery to ac power
For the windows laptop event log power source change, how can I tell if it is switching from AC power to battery or from battery to AC power?
I attach a screenshot here.
It seems impossible to tell ...
- 64
1
vote
1
answer
455
views
Can I use Desktop's DVD writer on laptop via sata data connection, powering it with SMPS externally
Can I use Desktop's DVD writer on laptop via sata data connection, powering it with SMPS externally (SMPS of desktop)?
I mean power supply to Desktop's DVD writer will be done though Desktop's SMPS ...
- 51
1
vote
0
answers
545
views
Why are most laptops double-insulated while desktop PC's aren't?
As the title suggests, I'm curious why double insulation isn't considered an important factor when building a PC. I know most PSU's feature a third-prong for ground connection to avoid electrical ...
- 11
1
vote
2
answers
388
views
Laptop Charger Confusing 65Watts or 120 Watts
So when I check at asus website about the specification of the charger it shows this
https://www.asus.com/Laptops/X550JF/specifications/
Output:
19 V DC, 3.42 A, 120 W
Input:
110 -240 V AC, 50/60 Hz ...
- 11
1
vote
0
answers
37
views
Is it possible to use the mousepad powersource for a backlit keyboard?
I got a Lenovo laptop, its motherboard doesn't support backlit keyboards, there's no power jack to plug in the cable. But it does have a mousepad, which DOES have a place to power it.
Is it possible ...
- 69
1
vote
0
answers
280
views
New battery is not charging on MacBook Pro late 2011
New battery
New AC adapter
New MagSafe port
I have voltage in the MagSafe port connector on the logic board
SMC reset
GPU switched off
But... no battery charge, no light on the AC adapter's MagSafe ...
- 131
1
vote
1
answer
77
views
Why do high-end, demanding programs run slower on a laptop when not plugged to power?
I have observed that the programs that require a large amount of RAM, graphics memory, processing power, for eg. video games, run slower and lag when the charging power is not plugged.
This happens ...
- 133
1
vote
2
answers
2k
views
Encountered Bus Error while trying to run code in CUDA
This was the code that I was trying to run on my computer when I encountered this error.
./l
[Vector addition of 10 elements]
Bus error (core dumped)
I tried this
>>>> nvcc -o l ...
- 125
1
vote
0
answers
43
views
LapTop Cursor path is not stable when using touch pad with AC power supply
I faced this problem in our new factory office. When the AC power charger is connected to the laptop I cannot use touch pad properly due to is beginning to jump/slower/jittering but not smoothly ...
1
vote
0
answers
122
views
How to make my ubuntu laptop not to use the built-in battery?
I have a Lenovo y50 which I use all day and night. It is plugged in most of the time.
I was wondering if it is possible to make my laptop not to use the battery sometimes and get it out of the ...
- 213
1
vote
0
answers
192
views
Accidentally damaged the power button's Circuit Board Cable now Laptop turns off randomly
I was cleaning my laptop inspiron 15R(N5520) and i accidently damaged the connecter ribbon pins of the power button under the keyboard.Now my laptop turns off randomly and i have to tinker with the ...
- 11
1
vote
1
answer
106
views
Does power supply wastes power if connected to a laptop with an almost dead battery?
Does it keep chargin the battery all the time thus wasting power?
1
vote
1
answer
301
views
Laptop occasionally won't run on battery power until I remove and reinstert the battery
I have a Toshiba Satellite S55-B5280.
Occasionally, the laptop will stop running on battery power. Meaning, if the AC adapter is unplugged, the laptop won't turn on; while the laptop is turned on, if ...
- 845
1
vote
1
answer
101
views
My laptop in not charging. No indication of power supply either
I have a Lenovo Ideapad 100 that I bought around 8 months ago. All of a sudden my laptop does not seem to charge. I have dual-booted Linux and Windows and currently don't have any battery power. I ...
- 113
1
vote
0
answers
4k
views
Event ID 37: kernel processor power and problems shutting down
HP Pavilion dv6610eg
Changes
2 weeks ago I:
cleaned my notebook and renewed thermal material (thermal paste and thermal pads)
replaced the HDD with a Samsung 128GB SSD: I can only use it in IDE ...
- 11
1
vote
0
answers
762
views
Dell Inspiron 3420, Charger Plugged in , Charging, But Battery Percentage not going up
I got a problem from last few days, searched every where for solution but all in vain.
Description:
I have DEll Inspiron 3420. When I plug in Charger,it shows charging but Battery level remains at ...
- 111
1
vote
0
answers
162
views
HP Laptop not charging when working, doesn't start without battery - Windows 10
I have a HP laptop and yesterday I accidentally hit the laptop on the table. It was fine but when I charged it, it didn't charge at all. When it had 60% remains, the charging indicator showed white- ...
- 11
1
vote
1
answer
1k
views
Lenovo laptop, Windows 10 not charging battery
I have a Lenovo G500s. It came with Windows 8.1 pre-installed with the battery working fine. I've installed Windows 10 on the laptop now and suddenly the battery is not recognized anymore. It says "0% ...
- 11
1
vote
0
answers
139
views
Power laptop battery without internal power circuit
I have two identical laptops and one of them is broken. I expect it has something to do with the charging circuit. The laptop works fine when it is provided with a full battery. But it doesn't receive ...
- 31
1
vote
0
answers
429
views
Compaq CQ61-319WM will not boot from just AC; dead battery has to charge
A friend gave me an old laptop to play around with, and it's exhibiting a peculiar symptom: it has to charge up the battery for a few minutes before it will turn on. The battery does not have much ...
- 1,989
1
vote
2
answers
2k
views
Powering an 3.5 hard drive on 2.5 laptop power port
So i want to power a 3TB WD Green 3.5 inch hard drive (WD30EZRX)
Power Management 12VDC ±10% (A, peak) 1.73A
Average power requirements (W)
Read/Write 4.1W
Idle 3.0W
Standby/Sleep 0.4W
The before ...
user507753
1
vote
1
answer
559
views
HP 6910p battery charging very slowly
My laptop battery charge rate is very slow. It charges between 50% - 100% in almost 4, 5 hours.
It's running normal on AC adapter without any problem but running very slow on battery mode. So can one ...
1
vote
0
answers
4k
views
Power LED keeps Blinking - Asus p52f Laptop
I am facing an issue since a long time. I own Asus p52f series laptop, it's 3 years old right now. 2 months back I had to change the laptop battery, since I couldn't find the original Asus laptop ...
1
vote
0
answers
105
views
Does an SSD use less power than a platter/regular drive? [duplicate]
The answer to this question seems obvious to me but I'm asking it in case I've missed something.
I have a laptop with a small SSD drive and a large regular/platter drive. I keep a collection of ...
- 4,137
1
vote
0
answers
786
views
HP laptop doesn't power up
I am kindly asking for your help. I have an HP DV7T-6C00 laptop which doesn't power up at all. I have read various forum threads and they did not solve my problem that's why I'm opening a new one.
It ...
- 11
1
vote
0
answers
71
views
Make certain programs run when connected to power supply (laptop)
I'm running Windows 7 64-bit on a Lenovo Laptop (X220i Tablet)
I was wondering if it was possible (and if so, how) to have a list of certain programs that will run automatically if you are connected ...
- 267
1
vote
0
answers
884
views
Agghhh! UPS Back-Up, Laptop Charger, Sparks
Boy… ok. This is so frustrating! Ok so, I've been getting a whole lot of problems with the electrical grid here lately: spikes, surges, lows, brown-outs, all kinds of problems, it's terrible, short-...
- 167
1
vote
1
answer
686
views
my laptop is not charging when switched on
I have an satellite l735-11f laptop and i have been facing a problem where the laptop battery does not charge even when power cable is plugged in.
I have noticed though that i am able to charge my ...
- 11
1
vote
0
answers
2k
views
Dell Inspiron laptop not starting
I have a Dell Inspiron N5010 dual booting Windows 7 and Ubuntu. It was running fine earlier, but suddenly it started mistyping letters with multiple letters and special characters for one second and ...
1
vote
1
answer
2k
views
HP Compaq 610 battery not charging
My mother has a Compaq 610 running Windows 7 Ultimate. The problem here is that it is not charging when it is plugged in. It does take power from the power supply but the battery is not charging. The ...
1
vote
0
answers
1k
views
UPS shuts down when using with modem alone
I'm in a place where power cuts are very common for around 5 hours a day. I have a DSL internet connection and a PC. I recently purchased a new laptop which easily gives me 4 hours of battery backup.
...
- 11
1
vote
1
answer
1k
views
charging laptop with a different adapter charger [duplicate]
Possible Duplicate:
charging laptop with a different manufacturer's charger
I have lost this adapter,
Output Voltage: 19V
Output Current: 3.95A
Input Voltage: 100-240V
Wattage : 75W
Pin Size:...
- 13