All Questions
51
questions
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
0
votes
0
answers
50
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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 ...
- 56.1k
1
vote
1
answer
5k
views
If I charge my iPhone using MacBook USB, while the Macbook is charging, will that affect battery life negatively?
If I charge my iPhone using a MacBook USB port while the MacBook is charging, will that affect battery life (of either the MacBook or the phone) negatively?
I would think not, since the battery is ...
CommunityBot
- 1
8
votes
6
answers
26k
views
Charging a laptop though a USB-C power port with a low voltage/amperage
Let's say we have a new laptop with a USB-C port - like the new Macbook1 or the Chromebook pixel which, yes, are meant to be charged through these ports -, a good solar panel for smartphones (5V 3A ...
- 3
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 ...
- 130k
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 ...
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 ...
- 1
0
votes
2
answers
967
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 ...
- 43.1k
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
0
votes
3
answers
3k
views
How can I determine how many amps I need to power/charge my Chromebook
The power supply that came with my Chromebook died recently and I've had a hella time just to find a charger that's just right for it. When studying different recommendations from different sources it ...
- 1,505
0
votes
1
answer
322
views
If I connect a USB-HUB to a USB 3.0 port and then plug my android tablet in the hub for USB Tethering, How much power transfer should be happening?
So, I have been tethering my tablet with my PC for a long time and I noticed that It charges pretty fast when connected through USB hub compared to normal tethering on USB 3.0 port. I installed Ampere ...
- 31.6k
0
votes
1
answer
73
views
Vaporizer not recognized by windows when charging through USB [closed]
I would like to check the voltage (V) and current (A) with which my XMax Starry v3 vaporizer is being charged. I have tried different ports but it doesn't seem to make a difference. Do devices that ...
- 1,617
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 ...
- 1,617
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, ...
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 ...
- 411