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0
votes
1answer
480 views

USB hub damages an external hard disk (and storage devices) on use attempt

I recently bought a USB hub because I find myself needing more than just two USB ports on my prebuilt laptop. However I come to the problem that when I use an external hard disk with it I cannot ...
1
vote
0answers
36 views

A powered USB hub that automatically formats? [on hold]

I am going to start off by stating that I don't know if this exists yet or not, but I am stuck. What I am trying to make/purchase is a USB hub that is able to automatically format the drive, wiping ...
0
votes
0answers
16 views

Computer not recognizing external Hd after extended period of time

First things. I have an almost 5 year old HP Pavilion G7-1260us 17in laptop computer. It is Intel Core i3-2330M @2.20Ghz with 4Gb of internal memory running Windows 10 version 1511 build 10586.218. It ...
0
votes
0answers
26 views

Imaging Surface Pro 4 with USB Hubs

Here's the story... At work we are starting to deploy Surface Pro 4s and our imaging server doesn't support booting from UEFI BIOS (its a Dell K2000). The only way to get it to work is to boot the ...
1
vote
4answers
7k views

Can't a USB hub power keyboard and mouse at same time?

I'm trying to use a Dell mouse and keyboard via a single USB port using the USB splitter hub, but the devices seem to misbehave. Just one of the devices work when I connect both. I figured out it's a ...
1
vote
0answers
37 views

Is it possible to get an internal usb port into my notebook?

I have a special piece of hardware that I soldered together and I have built it into my notebook. The problem is: The device requires to be connected to the computer via USB. At the moment I have a ...
0
votes
0answers
34 views

Better solution to video capture

I'm looking for ideas, then whatever solution will be welcome :) I have an infrastructure that I used 20 EasyCap USB2.0 in 10 different computers to capture video via ffmpeg by ffdshow (2 usb for ...
0
votes
2answers
43 views

If wattage becomes insufficient on USB Hub, does bandwidth begin to decrease or devices just fail?

Consider a 60-watt USB 3.0, 7-port, Hub with 2 (12-watt) Fast Charge ports. HooToo USB 3.0 7 port + 2 "fast charging" ports (HT-UH010) = 60-watt adapter; (USB 3.0 port at 5-watts) * 7 ports = ...
2
votes
0answers
373 views

USB Hub vs. Dockinstation USB vs. Laptop USB

I recently had thougts about my current setup in my office, especially about the UBS ports distribution. Here's my setup: I have a Lenovo T410 docked to a Lenovo Dockingstation Series 3, that ...
0
votes
2answers
45 views

Build hub with two ports and external supply [closed]

How can I build connectors with two ports usb (hub) and supply external, around two Amperes? The main objective are connect two disk 2.5" on the one port usb. Exist on the marketplace or it is more ...
1
vote
4answers
981 views

Laptop won't wake from sleep when external Keyboard and Mouse are plugged in via USB Hub. How to fix?

We have an ASUS Zenbook UX305FA laptop running Windows 10 that is able to be woken from sleep with an external Keyboard and Mouse when they are plugged-in directly into their individual USB ports. ...
0
votes
1answer
123 views

What's a good power supply (volts and Amps) to power a USB hub to use with external HDs

I'm using a 7 port usb hub found here: http://www.ebay.com/itm/AC-Power-Adapter-Cable-for-PC-Laptop-7-Port-USB-3-0-Hub-On-Off-Switches-/331707642029 The power supply it came with was very weak. It ...
19
votes
6answers
10k views

Is there any benefit to plugging a USB 2.0 device into a USB 3.0 port?

I know USB 3.0 is almost entirely backward-compatible, and I know that it introduces a new speed that USB 2.0 devices aren't capable of, but is there any advantage to having a USB 2.0 device in a USB ...
0
votes
0answers
149 views

Intel USB 3.0 eXtensible Host Controller - Exceeded Number of Supported Devices?

This problem was already matched up in serverfault ( http://serverfault.com/questions/683404/intel-usb-3-0-extensible-host-controller-exceeded-number-of-supported-devices ) but i found some ...
0
votes
0answers
122 views

USB Ethernet adapter keeps disconnecting

I have a surface Pro (the first generation). I had not that much money to buy an expensive docking station, so I've got a USB-HUB and connected a USB Ethernet Adapter to it. Using it, my Bandwidth is ...
2
votes
3answers
819 views

What is the power supply cable connected to most USB hubs called?

I recently bought a USB 7 Port Hub with external power supply, but unfortunately it got burnt out. I have searched everywhere using the keywords that I know but unfortunately can only find diy guides ...
0
votes
1answer
112 views

USB host controllers broken on every reboot

Something happened (including Windows Updates?) and now every time I reboot, most of my USB host controllers/root hubs are not working: The broken ones say: This device cannot start. (Code 10) ...
1
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0answers
37 views

Optimize linux USB hub IO scheduling for external harddrives

When using several harddrives on an USB 3.0 hub, copying large files between them gives transfer rates far below expectation. My guess is, that the hub introduces contention delays as we see if ...
0
votes
0answers
48 views

USB 3 hub does not work until unplugged and plugged back in

I got fed up of contorting myself to reach the back of my PC whenever I wanted to plug something in, so I bought a USB 3 hub so that it could be on my desk and I'd only have to reach over to it on my ...
0
votes
0answers
104 views

Pendrive recognized as USB 1.1 device

I have just pluged-in my old USB pendrive to simple nettop with Windows 7 on board. I used every of three USB ports and in each of them I saw standard Windows notice, that this device can work much ...
4
votes
2answers
75 views

Does an INTERNAL USB hub affect performance?

I searched a little bit on the subject, but I couldn't find any clear answers, so I'm asking this question: Will the performance of a USB hub connected directly to the motherboard be shared between ...
0
votes
0answers
16 views

Usb Hub for keyboard and mouse [duplicate]

I am looking to buy a usb hub to connect my mouse (Logitech G300) and keyboard (Logitech K120) but I am not sure if I should choose a self-powered or a bus-powered one . How do I know if a ...
3
votes
1answer
1k views

Is using a powered USB hub Raspberry Pi DC power and USB data a good idea? Or does it create an odd, circular dependency that could blow the hub?

I have Raspberry Pi model A which has only one USB port. So I bought the cheapest electrically powered USB hub (AC adapter that has an output of DC 5V at 1000 mA) I could find—kind of in the spirit of ...
-3
votes
2answers
1k views

What are the implications of plugging a USB 2.0 hub into a USB 3.0 hub [closed]

I have a notebook that when im at home i use for work with a keyboard/mouse, a monitor (the monitor is HDMI) and some peripheals. Well, i already have a cheap USB 2.0 powered (5v/1A) hub with 7 ...
3
votes
2answers
2k views

Computer doesn't boot when a wireless keyboard/mouse is connected through a USB hub

I'm using a wireless keyboard and mouse (MS 6000). When the wireless receiver was connected directly to the computer case everything worked fine (I had to enable some USB related setting in the BIOS ...
0
votes
1answer
18 views

speed of USB 3 when connected to several USB 2 devices

I am wondering what is the speed of a USB 3 hub when 2 or more USB 2 are connected to it? to be more specific: Assume that I have a USB 3 device which is connected to say 2 USB camera. Each USB ...
2
votes
0answers
161 views

USB hub advertised as 2.0 actually works as 1.1

I bought this USB hub http://www.ebay.com/itm/281298880612 which is supposed to be a USB 2.0 hub. When I plug a pendrive in to the hub, Windows gives the message "This device can perform faster if you ...
1
vote
1answer
1k views

Will connecting USB controllers to a hub with extension cables cause interference, signal loss or even input lag?

I'd like to connect 3 devices to a USB hub. The USB hub is then connected to my PC with an extension cable. Each device would need an extension cable of approx. 1m, which is then connected to the ...
0
votes
1answer
245 views

Why does my generic USB hub not allow my PC to find a second plugged-in flash drive?

On my Dell Model i3531-1200BK (running Windows 8.1) I am using a 4 slot (no name) generic USB hub that works fine with one flash drive. But when a second flash drive is inserted, the laptop starts ...
17
votes
5answers
5k views

Can two drives connected to a USB hub bypass the computer when sharing data?

If I connect two usb drives to an external USB hub and I copy data from one drive to the other, does the data go through computer? Or will the data be managed by the USB hub? Does this have some ...
-1
votes
1answer
1k views

Only any one port in the 4 port usb hub is working

I recently bought a 4 port usb hub. I happened to find that only any one port among the 4 ports are working in my laptop. (i.e. all ports are working but only one at a time) Brand of my laptop is ...
2
votes
2answers
3k views

Ten external hard drives through a USB hub

I have bought a 10 port USB Hub with power, and attached that to one port at the back of my PC. Connected to the hub are ten external hard drives. Is this set-up safe, or can it do damage to my ...
0
votes
1answer
450 views

USB 3.0 hub seems to freeze startup

When my USB 3.0 hub is connected, my Ultrabook has start-up problems. The Windows logo appears momentarily then the screen goes black and freezes completely. If I disconnect the USB 3.0 hub and force ...
0
votes
1answer
597 views

USB 3 Hub to drive dual monitors from Laptop @ 2560 x 1440

Taking this USB 3.0 Docking Station with Dual DVI/HDMI/VGA Video (sd3500v) as an example. I'm trying to find out what hardware configuration/spec a laptop would require to allow it to drive two Dell ...
0
votes
1answer
52 views

Maximum number of keyboards you can attach

I need to attach 16 keyboards to a computer, to use as a game show buzzer system. Is that possible? I know the theoretical maximum number of USB devices allowed is (2^7)-1=127 but will there be any ...
0
votes
0answers
403 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 ...
0
votes
1answer
517 views

Do USB devices draw current from the computer if a powered hub's current “runs out”?

I have a few heavy duty devices and a powered hub and I wonder what's the flow of current in those things.
0
votes
2answers
115 views

MacBook Air Needs a USB Hub

I'm suffering from USB creep and need the maximum number of hubs possible. Should I get a USB 3.0 rated hub even if my devices are not USB 3.0? In other words, does the added speed of 3.0 allow the ...
0
votes
2answers
513 views

USB Hub questions

I have a couple questions about usb hubs: If I only have one device connected to it, is the speed as fast as if I plugged it in directly to computer? If I have 2 flash drives plugged into and copy ...
2
votes
2answers
1k views

How to test power capabilities on USB 3.0 hub?

Salvete! I recently purchased a USB 3.0 hub and, since it didn't come with a power adapter, I acquired one separately. I am attaching it to a computer with a low-output power supply, so it is ...
1
vote
3answers
537 views

Need a quality USB hub that is able to power external hardware [closed]

What is the most useful USB hub that you have had experience with. I have a Seagate FreeAgent Go that is powered by USB and I want to get a USB hub that is able to provide me with more USB ports and ...
0
votes
0answers
216 views

Why doesn't my computer see all USB devices (27 3G modems)?

I have a (Dell) laptop with 3 USB ports. There are two USB hubs connected (13 ports each, hubs are powered by external electric source); so in total there are 27 USB ports (13+13+1). Each port has a ...
0
votes
1answer
271 views

Installing an internal Delock USB hub

I am installing an internal Delock 4-port USB 3.0 hub, so that I can have USB ports on the front panel of the machine. I have plugged in the 4-pin cord, but I have a blue cord that has a USB contact ...
2
votes
1answer
436 views

Why does my data card not work with USB-hub for 2G network

My data card works fine with 3G networks. My laptop has only two USB ports and both are too close to connect a wide data card and a hub for mouse and keyboard. As for the make/build: Windows ...
1
vote
1answer
194 views

Data Integrity with Desktop External HDD connected to daisy chained Dell Monitor USB hub

I have two Dell U2412M monitors, both of which have USB hubs built into them. I have one of those hubs connected to my MacBook Pro directly, and that hub has a webcam plugged into it. I want to ...
0
votes
1answer
278 views

Differences between “industrial” and “home” usb hubs? [closed]

I suspect that some of my USB issues are related to the hub that I am using, and I did some research on "industrial" USB hubs. So far, it looks like these hubs offer the following major differences: ...
-1
votes
1answer
2k views

What is polarity for an unmarked USB hub?

On my USB hub where the power supply plugs in, the polarity is unmarked (I got it used, from my brother's friend). I need to know what the polarity should be. I don't think it makes a difference ...
1
vote
1answer
363 views

inconsistent USB connection between mobile and computer - lack of power or faulty hub?

I am using a four port cheap USB hub, plugged into a GoFlex Home on one side, with a Micromax Q5 mobile on the other. The only other device plugged into the hub is a flash drive, which functions ...
1
vote
3answers
2k views

MIDI Over USB-Hub: Latency?

I am connecting an NI Maschine (hardware) over USB to my Macbook Pro. Right now I'm using a USB 2.0 powered hub (by DLink or Belkin, depending). It seems fine, but these things can be hard to detect. ...
1
vote
1answer
816 views

Powered USB Hubs vs. non-powered ones for external hard drives, sound cards, etc?

I am looking into getting a D-Link or Vantec powered USB hub, but I am not sure if it will solve my current problem - I have an external HD dock (for 2 hard drives), external sound card (Presonus ...