All Questions
Tagged with power-supply laptop
430
questions
-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 ...
- 1
-1
votes
1
answer
56
views
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
-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
0
votes
1
answer
47
views
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
0
answers
51
views
Why is my CPU always at 150+ watts power usage
I just bought a new motherboard for my Alienware x17 r1 and everything seems to be working just fine but then for some reason I noticed that my CPU was being throttled. Reset the system and everything ...
0
votes
0
answers
112
views
20V from Dell Precision 3581 USB C/Thunderbolt 4 Port with Power Delivery
USB-PD provides up to 100W of power through the USB-C Port, so I wanted to use 20V power from my Laptop to power my device.
According to the data on the Dell homepage regarding the ports, they are ...
- 1
0
votes
1
answer
216
views
Laptop power button not working but battery discharge pinhole button is starting the computer, what might be the issue here?
I have an Acer Aspire A515-51G, the issue is suddenly the power button has stopped working, the battery is charging, but the pinhole that they have given; pressing it, actually starts the computer; ...
- 149
0
votes
0
answers
33
views
Battery life of a MSI
I have an MSI Creator 15 A10UET-222NL that I have had for about 3 years. For some time now, I have been experiencing the problem that the battery life of my laptop is only about 1.5 hours without the ...
-2
votes
1
answer
160
views
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 ...
- 1
9
votes
3
answers
3k
views
Is it safe to replace a 11.25V laptop battery with 11.1V or 10.8V?
I need a replacement battery for an older laptop that originally came with an 11.25V Li-ion battery (presumably 3 cells at 3.75V each).
The batteries I found online mostly have a nominal voltage of 11....
- 161
0
votes
0
answers
67
views
Power supply problems
I recently had a laptop that would not boot a range of things.
It would not boot the existing installation of windows for the SSD.
It would not boot Ubuntu from a USB.
It would not boot the OEM ...
- 107
1
vote
0
answers
264
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
2
votes
3
answers
2k
views
Dell Latitude not charging over USB-C PD 3.1 when powered on. It can charge, but only when I power it off
I have a somewhat weird problem where my Latitude 7300 won't charge over USB-C port when powered on with a specific non-Dell charger; I can charge the Latitude, but only when I power it off. The ...
- 41
0
votes
1
answer
247
views
Dell Inspiron 15-5558 - A battery with low health is detected, charged, but not used
I've been using Dell Inspiron 15-5558 laptop for more than 8 years without replacing the battery (cause I've been mostly using AC charger only) and today I've encountered an issue when the laptop has ...
-2
votes
1
answer
81
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
1
answer
422
views
USB HUB buzzing noise when power connected to same charger as laptop
My laptop is powered using a 3rd party GaN charger which provide 2 more (typec-max65w, typea-max18w) charge ports for convenience. I have a usb3.1g2 hub connect to my laptop's dedicated type-C port. ...
0
votes
0
answers
60
views
Why laptop has 5v power when its off?
I recently bought a PC. the motherboard is z690 p ddr5. I did not have a modern monitor so I also bought a mini HDMI to VGA adapter and used it to connect my pc to the monitor. the convertor itself ...
0
votes
0
answers
345
views
100w USB-C to DC power adapter charging issues
I've been encountering some issues with a custom charging setup for my Razer Blade 15 laptop. My blade is a 2020 model that does not support USB-C charging. I wanted a more compact solution than the ...
0
votes
0
answers
267
views
Compatibility Issues with Lenovo and ThinkPad Docking Station
I recently purchased a new computer along with a docking station. According to Lenovo, the two should be compatible. After all, their website states that this docking station should work for the ...
0
votes
1
answer
69
views
Laptop power button seems to be disconnected
I've always had this issue with my laptop where it needs the power to be drained from the motherboard before it can start normally (7 year old laptop). And I've learned to do the whole, pressing down ...
0
votes
0
answers
81
views
use DC power while plugged in without charging the battery?
I'm aware that keeping the battery fully charged is bad for the battery health. However, I often need to use my computer and it easily consumes a lot of battery power in a short time. (connected to an ...
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-2
votes
1
answer
259
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 ...
- 1
0
votes
1
answer
6k
views
Is it possible to ignore a docking station's power supply, if plugged in to laptop charger
I recently purchased a new docking station (Plugable ud-ultc4k) for use with my work laptop (Dell Precision 5760). The docking station is able to provide up to 100W of power, whereas my laptop can ...
3
votes
2
answers
679
views
Laptop turns off suddenly, then wont turn on again
This laptop started to present this problem in which it turns on briefly for about one minute, then it suddenly turns off and after that wont turn on again. If I wait about one month or so and try ...
- 31
2
votes
1
answer
148
views
Lenovo charging issue - help needed regarding the recently purchased charger
I've got a Lenovo Ideapad 100S-11BY, Modal: 80R2 Laptop
I just recently bought this charger for it - Charging Device Listing
When I plug in the charger into the laptops charging port, after about 10 ...
- 185
0
votes
0
answers
38
views
Can a motherboard's USB controller / port be damaged if an externally powered USB cable is plugged into a powered USB port? [duplicate]
I mistakenly plugged a USB cable into a powered USB-C port on my laptops motherboard that was concurrently plugged into a 5V 2A USB to Wall AC adapter. Nothing seemed to happen at the time but could ...
- 18
0
votes
1
answer
50
views
MacBook Air doesn't power on when the battery is connected
A friend asked me to look into his MacBook Air because it didn't want to power on anymore. Took a look at it, opened it, took the battery out and connected the charger cable and it worked every single ...
- 21
0
votes
0
answers
216
views
Asus G751J won't turn on after suddenly shutdown itself
So yesterday I was working on my company's laptop when my personal laptop (asus g751j) just died with no warning (I wasn't doing anything on it).
It suddenly shut down. I tried to turn it back on but ...
- 153
0
votes
1
answer
385
views
On a laptop are voltage input and voltage rating on a battery the same thing?
I need to replace the battery in my Samsung Notebook model #XE501C13-S02US. The label indicates input as 12V. When I shop for a battery for this model they all list a rating of 7.6V. I suspect we're ...
- 115
0
votes
1
answer
75
views
Can a loosely connected PSU damage a laptop?
is it a bad thing that the cable connects to the power adapter block in a laptop power supply comes loose and is left alone while the laptop is under use (as shown in the picture)? I am worried it ...
- 21