All Questions
Tagged with power-supply usb
48
questions with no upvoted or accepted answers
4
votes
0
answers
91
views
Weird phenomenon : computer only boot if I plug-in a specific USB device while pressing the power button, once in 10~20 tries
I've got my hands on a very, very weird issue. I spent months trying everything, and google had literally 0 similar problem to help me.
To summarize, it's a computer I built myself 5 years ago. Since ...
4
votes
2
answers
353
views
Computer only boots when my phone is plugged in?
I'm aware it's common for computers to have booting trouble because of USB devices. I have the opposite problem. My computer will not turn on unless my phone is plugged in.
If I try to turn my ...
- 41
3
votes
0
answers
2k
views
I keep getting the "USB inserted" sound whenever I plug or unplug something to a power socket. Should I worry?
I own a Lenovo G510. I use
a cooler base
external mouse
keyboard
monitor
2:1 speakers
Whenever I plug something to a wall socket that is near to the one that I use to power everything (when ...
- 131
3
votes
0
answers
263
views
Laptop died after using a SATA/IDE USB hard drive converter
So I think I have done something very bad, I have a HP laptop and wanted to recover some data from some old SATA and IDE drives.
I Bought this http://www.amazon.co.uk/gp/product/B00VR52ZZ0?psc=1&...
- 31
2
votes
0
answers
139
views
Usb ports connecting and disconnecting
I know this is not the place to ask about hardware problems and solutions, but I can't search on google anymore... I've been for over 24hours searching on google about my problem and trying to get a ...
1
vote
0
answers
704
views
Increase power delivery during Android USB Debugging
I use Android USB debugging to debug my own app. The app has high power requirements since it stresses the camera bus a lot. The power consumtion is so high that the phone's battery discharges during ...
- 562
1
vote
1
answer
1k
views
Why did my UPS works as expected if unplugged from wall, but seemingly failed when an actual power disruption occurred?
I've got several UPS units protecting my various devices. Today the room lights flickered for a minute, I heard a UPS "clicking" sound, and got notifications from my Mac that a few of my ...
- 69
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
1
answer
48
views
How to safely turn off USB-connected, ATX PSU powered 3.5" hard disk drives built as internal?
I have a bunch of internal, 3.5" HDDs which I connect them to my laptop using an adaptor which converts SATA/IDE to USB 2.0. I can choose the "Safely remove storage" option in Windows 10 and it ...
1
vote
1
answer
2k
views
Windows USB power off
I have an equipment that communicates through a COM port and it is powered by the USB port. My problem is that when the PC reboots, the power is kept but the communication with the COM port stops. The ...
1
vote
0
answers
2k
views
Can I Power the front-panel USB 2.0 ports with the power supply's 5V rail?
I have a high power (700ma+) USB device I wish to use on a single front-panel USB port.
The USB specification in Wikipedia states:
The USB 1.x and 2.0 specifications provide a 5 V supply on a single ...
- 194
1
vote
0
answers
2k
views
USB Keyboards Randomly Disconnect
I have a puzzle for you; I've been banging my head against the wall for the past week trying to figure this out, and I just have no idea what it could possibly be. If you can figure it out I will give ...
- 11
1
vote
0
answers
1k
views
USB ports causing Wireless and Mobile Phone tethering drop out
I have a problem with my USB ports and I can't seem to pinpoint the problem. I'm hoping that I can get some idea as to how to troubleshoot my problem.
Problem description: I recently bought a USB ...
- 121
1
vote
0
answers
604
views
Can I power a nexus 7 through a powered USB hub?
I am building a setup to use my Google Nexus 7 as a SNES. I have the games figured out, and my plan is to plug a USB hub into my OTG cable which is plugged into the device. In the hub, there are two ...
- 111
1
vote
1
answer
240
views
Troubleshooting desktop PC not booting if network and USB ports are connected
My current desktop machine is composed by:
Intel q6600
Gigabyte EP43-DSL3
4GB DDR3
2HD S-ATA 750MB Seagate
DVD-RW S-ATA
Keyboard, webcam, headphones and the usual stuff connected to the USB ports.
...
