All Questions
23
questions
0
votes
0
answers
50
views
I would like to know how to add a 2nd USB charging port to a Lenovo YogaBook with only one USB 2.0 port used for both data and charging?
I would like to charge a Lenovo YogaBook laptop while using the data port. This isn't supported by the laptop unless I am wrong. I have followed some tutorials which supposed to work but it didn't.
I ...
0
votes
2
answers
251
views
Bluetooth and USB issues on desktop replacement laptop without battery
Despite age and dead battery, Dell M6700 laptop serves well as a desktop replacement for tasks like email, social media, and video streaming for a family member. However, recently Bluetooth ...
- 156
4
votes
2
answers
2k
views
USB C charging on Dell Inspiron laptop: OnePlus 65W phone charger
I have a Dell Inspiron laptop with a USB C port. The normal charging is 65W adapter via the Dell power (charging port). If I connect this to my OnePlus phone charger which is also 65W somehow it does ...
- 588
0
votes
0
answers
350
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
2
answers
968
views
Laptop dead from overvolted usb-c
Laptop is EVGA SC17
Usb-c 3.1 (non thunderbolt)
Battery 3.7v 550mah
Ok so i stupidly was hotwiring a battery to charge via my laptops usb-c port, I know i should have used my powersupply or even a usb ...
- 11
0
votes
0
answers
66
views
Unable to charge HP Envy Intel i7 11th gen with Comsol 25600 power brick
I purchased and HP laptop as above. The battery won't get through a full day on a charge, so I purchased a Comsol power bank. I have contacted Comsol and have been told that it should charge a laptop ...
- 847
1
vote
2
answers
8k
views
Is it safe to use 70% isopropyl alcohol on electrical contacts on any device with a battery as long as it's powered off?
I'm talking about USB ports and charging ports for laptops and phones. I want to use a cotton swab or a microfiber cloth dampened with alcohol to clean the inside. Compressed air won't do it.
They're ...
- 121
0
votes
1
answer
35
views
I have an old Dell computer but the charger does not work
I have an old dell computer that has the regular charging socket malfunctioning.
I have been trying to find if I can use a charger that has USB C and then use an adapter on the laptop to convert USB A ...
1
vote
2
answers
3k
views
Charge laptop with USB PD at 20V even if it draws less than 45W?
I want the possibility to charge my Laptop (19V/3.42A, Acer Aspire 5 A515-52G) from a power bank. Since my laptop only has the ordinary barrel power connector but power banks usually come with a USB-C ...
- 45
4
votes
2
answers
598
views
Can phones/tablets avoid charging from USB power?
I know that some laptops (e.g. Lenovo ThinkPad) have user-controllable software to disable battery charging even when AC power is plugged in. This feature takes precedence.
When a typical mobile ...
- 720
0
votes
1
answer
179
views
How to charge an usb-c equipped laptop from a powerbank
I have got a laptop that can only be charged via usb-c.
I also have a powerbank (45000mA) that not only has usb outputs, but also an output (up to 20V) for laptop charging. It came with 11 adapters ...
- 15
1
vote
1
answer
1k
views
Could overvolting the USB port on a laptop cause battery drain issues?
So yesterday I was working on a project with an Arduino Mega. The Arduino was being powered with a 9V battery plugged into the 5v and GND pins on the board. I needed to make some changes to the code, ...
- 111
1
vote
2
answers
602
views
What does a USB stick do on a powered USB port when PC is turned off?
There are USB ports that are powered, even if the Laptop is turned off. AFAIK, those ports have yellow color or they have a USB icon and a battery icon.
It's clear to me that I can e.g. load my phone ...
- 6,085
1
vote
0
answers
60
views
USB mouse switched off when laptop on battery and temperature rises
My USB mouse is disabled when my laptop is running on battery power
and the CPU or GPU temperature rises.
It enables the mouse when the temperature is down
or when I plug in the laptop power cable.
...
- 11
0
votes
1
answer
664
views
Will 14.5 v @ 2.0 Amps harm my MacBook 12
I'd like to charge my MacBook 12 using my PowerBank. I have a PowerBank with adjustable voltage control it has USB output too. Though when I use USB output it draws only 0.5A @ 4.75V on average and ...
- 103