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Questions tagged [usb-2]

USB 2.0 (Hi-Speed) is a USB specification that can transmit data at up to 480 Mbit/s.

4
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1answer
85 views

USB device only connects via hub

When I connect a USB 2.0 Lumidigm fingerprint sensor to any of a PC's USB 2.0 ports, both Windows and Linux won't detect it. It doesn't try to install any drivers, and doesn't detect a hardware change....
22
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3answers
4k views

Is it safe to use a micro-USB 2 cable in a USB 3 portable hard drive?

The micro-B USB 3 port seems to be somewhat backwards compatible with the old micro-USB 2 standard. I was able to charge a phone that had the micro-B USB 3 port with a micro-USB 2 cable. However, I ...
1
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0answers
22 views

Windows 10 on HP Elitebook detects USB3 external HD on USB3 ports as USB2

On a recently bought used HP Elitebook, both the USB 3.0 ports detect my USB 3.0 external Toshiba HDD as USB 2. That Toshiba HDD has an LED which glows blue when connected to a USB 3.0 port, or white ...
0
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1answer
45 views

Possibilities to increase overall USB 2.0 devices throughput with PCIe expansion card

I've checked most of the U3/U2 bandwidth questions on-line, but still have some confusions. I understood that, if I had one USB 2.0 controller and one USB 3.0 controller in my laptop, even if I ...
0
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1answer
240 views

How to install windows 7 when laptop only has USB 3.0 ports

I am trying to dual boot my laptop (HP envy) which is currently running windows 10 with windows 7. I continuously got errors during the windows 7 install due to my USB being in a USB 3.0 port. My ...
3
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0answers
76 views

Will a USB 2.0 LAN Adapter work with interrupts instead of polling if i plug it on a USB 3.0 port?

I have a LAN Adapter (HORI LAN Adapter for Nintendo Switch) that has the ASIX AX88179 USB 3.0 chipset, but it's USB 2.0. (I checked the cable plug and it doesn't have the USB 3.0's extra pins, also ...
0
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1answer
2k views

USB Driver - This device cannot start. (Code 10) - Insufficient system resources exist to complete the API

I've been tired trying find a solution, My USB controllers have a yellow exclamation sign in Device manager thus any USB I plug into isn't functioning until I remove the driver and reinstall it, and ...
0
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0answers
568 views

USB 3.0 port does not recognize USB 2.0 devices

I have Asus N580VD laptop which has two USB 2.0 ports, one USB 3.0 port type A and one USB 3.1 port type C. Yesterday I was tinkering with an Android phone, rebooting it in different modes. It was ...
0
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0answers
416 views

Multi-webcams streaming with one USB port using USB hub

I had referred other answers in here: https://stackoverflow.com/questions/2519057/implications-of-using-many-usb-web-cameras https://stackoverflow.com/questions/6664605/two-webcams-on-one-usb-hub-...
5
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3answers
112 views

Backup USB connection for Test Cell - USB splitter design?

This is a question for a project I am working on involving an unusual use of some USB equipment. Please see the diagram. Our existing setup consists solely of a single link between the device and the ...
0
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0answers
62 views

Will Compressing an Entire USB Flash Drive Actually Increase Performance? [duplicate]

As we know, USB flash drives are generally very slow in data transfer rates. USB 3 has significantly increased the rates data transfers, but it's still much slower than even traditional mechanical ...
0
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0answers
73 views

Why are all devices sitting on USB 3.0 eXtensible Controller and none on USB Enhanced?

I'm having a bit of a strange issue here with some USB controllers and devices. I'm working with a Dell T5810 workstation, Windows 7 x64 with various USB devices connected. Mouse, Keyboard and/or ...
0
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0answers
66 views

Why my USB 3.1 flash drive only fails on a USB 2 port of a machine which has both 3 and 2 ports?

I bought an ADATA UV128 32GB USB3.1 flash drive. (spec: 90MB/s read, 40MB/s write) On a Linux machine with only USB 2.0 ports, it works (written full, cksum-ed all files: all correct), albeight ...
1
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2answers
62 views

Solution to USB port not accepting any cables/devices?

Is there anything that commonly happens with a full-size USB 2 port (female) that can make it impossible to insert any USB cables/devices? I have a USB 2 port in a laptop that simply won't accept any ...
1
vote
1answer
384 views

Convert USB 2.0 signal to true USB 3.0

I have a laptop which has one USB 2.0 host controller and one USB 3.0 host controller. I have many USB 2.0 devices connected (both to USB 2.0 and 3.0 ports) and I am experiencing bandwidth issues. So ...
0
votes
1answer
116 views

Adding multiple USB 2.0 controllers - what are the options?

I'm trying to connect multiple (10+) USB 2.0 cameras to a computer that has only 1 USB 2.0 controller and 1 USB 3.0 controller. From what I've learned basically the only option to increase available ...
0
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0answers
176 views

Usb 2.0 and esata combo max speed

What is the speed of usb 2.0 and esata combo. I am getting almost same speed on combo as well as seprate usb 2.0 port with External HDD as well pendrive 3.0. I am getting speed aorund 105 MBPS in ...
0
votes
1answer
140 views

Corrupted writes to ext hdd because of low power?

recently I've bought a case for 2.5 HDD in order to use it as an external HDD. It has USB 3.0 interface but I've also used it with older laptop which has only USB 2.0 ports. It implicates that a HDD ...
5
votes
2answers
5k views

Is there any advantage to USB 3.0 on an external DVD writer?

Given that many external DVD writers max out at 8x for read and write, and that even a 16x would require a throughput of at most 22 MB/s (which is below the low end of observed throughput for USB 2.0, ...
1
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3answers
443 views

How to get more full speed USB 2.0 ports on a modern laptop?

Modern laptops just have a few USB ports and to extend thoose you are supposed to use a USB hub. My issue is that I need to connect 4 highspeed USB 2.0 cameras to my laptop and while still keeping two ...
0
votes
1answer
58 views

Why does phone's screen only jump around when connecting to a specific laptop?

My phone (Sony Xperia M4 Aqua) only jumps around when plugging to my 7 year-old laptop, on all USB ports. This doesn't happen with other computer or when being charged. Using a stock cable doesn't ...
1
vote
0answers
73 views

optical mouse detected only on USB 3.0 [closed]

I've an optical mouse (Eminent em3153) and when I connect it to my USB 3.0 it works fine. I don't understand why it is not recognized on any USB 2.0. I've unsuccesfully tried to detect hw changes ...
0
votes
1answer
77 views

Reliability of USB cable [closed]

MICROCHIP USB3300: 1. How many write or erase cycles is the device recommended for during its life span? 2. How many years the data written is assured to be retained? (Data retention) Please ...
1
vote
2answers
2k views

Are all USB-2 devices compatible with USB-3 port?

On my Gigabyte 880GM-USB-3 motherboard there are 2 USB-3 ports. Drivers are installed successfully in Windows 7 OS. USB-3 ports are working properly when any USB-3 devices are plugged in e.g. USB-3 ...
0
votes
2answers
791 views

USB extender cable - can multiple non-active be used to exceed the USB length limit if used with a powered hub?

If multiple non-active USB cables are chained together such that the combined cable is longer than the normal USB length limit but are placed between two powered USB hubs, will that effectively create ...
0
votes
1answer
152 views

WD HDD Works only on USB 3.0

WD My Passport Ultra is showing up a weird behavior. When i connect it with USB 3.0 it works perfectly without any issue. But when i try to connect it using USB 2.0 port it doesn't work. It shows up ...
0
votes
1answer
79 views

Avisoft-RECORDER “GetOverlappedResult” error in a Virtualbox guest Windows

Using Avisoft-RECORDER USGH in a guest Windows 7 and Windows 8.1, under Virtualbox 5.1.6-dfsg-2 of an Ubuntu 16.10 host, after a second or two of recording, I am getting the following error: title: ...
0
votes
1answer
95 views

Is a temporarily dysfunctioning of an external WD HDD a reason for not trusting the drive anymore?

I have a 2TB WD My Passport Ultra HDD (USB3), that I use both as the main storage for my 600GB photo collection (also backed-up on another HDD of course) and as a back-up device (for data from 2 ...
1
vote
1answer
364 views

Can you connect a docking station via ethernet

I have a docking station with two display ports, multiple USB 3.0, and an ethernet port. My laptop has only USB 2.0 ports. Can I connect the laptop and the docking station to a high speed switch ...
11
votes
1answer
744 views

Is a USB 3 Type A-to-A cable dangerous with USB 2 ports?

I recently purchased a USB 3.0 hub, and was surprised when I opened the box to find that it used an A-to-A cable for it’s main connection; see picture below. A “Type A” connector is the rectangular ...
1
vote
2answers
114 views

Gigabit Adapter on USB 2.0

I have a USB ethernet adapter on a netbook (Aspire One D250) that I use as a smb server to share files on my LAN. The adapter is 10/100 only, if I buy a 10/100/1000 adapter and use it on USB 2.0, will ...
2
votes
3answers
189 views

Is there such a thing as a type C USB 2.0 connection?

I came across a tablet yesterday, which advertised a type-C USB micro port, but never mentioned USB 3.0 or USB 3.1. Later, I searched more and the reviews actually said it was a USB 2.0. Is there any ...
0
votes
2answers
194 views

Can I make my USB stick even smaller?

I had this 8GB flash drive for years that I always kept in my coin purse in my wallet. It's tiny and thin. It used to be a normal flash drive with metal casing until the casing broke apart and ...
0
votes
3answers
586 views

Clone older hard drive over USB 2

I am trying to upgrade the hard drive in an old work laptop (Acer Aspire running Windows 10), but I'm having trouble getting the data onto the new drive (7200 rpm SATA 6). I'm following this article ...
0
votes
3answers
696 views

Would a 2 TB USB 3.0 WD My Passport HD overpower a powered USB 2.0 hub?

I asked a question a few months ago about what I thought was possibly a failing external USB HDD. I have disconnected that HDD and the powered USB 2.0 hub has worked better. But I noticed that the USB ...
0
votes
2answers
1k views

USB 3.0 compatibility with USB 2.0 devices

Is a pure USB 3.0 port fully compatible with USB 2.0 ? My question came when I want to buy a new motherboard. Some motherboards have USB specified as USB 3.0/USB 2.0 which clearly signifies that this ...
1
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0answers
19 views

why does my USB show as an unknown file system with 0bytes used and 0 bytes free [duplicate]

This is my first time posting a public comment and my first time with a usb problem i can't solve. When i plugged my USB into my PC it takes a while to be recognized, and then when it is, it appears ...
2
votes
1answer
231 views

Maximizing speed of USB 2.0 clients on USB 3.0 hub

I need to connect 2 USB 2.0 cameras and one USB 3.0 SSD to a single USB 3.0 hub. I would like both of the cameras to run at 480 Mbps and the SSD to use the rest of the bandwidth. Is this possible? I ...
1
vote
2answers
2k views

Why does Device Manager show “Intel(R) USB 3.0 eXtensible Host Controller - 0100 (Microsoft)” when I have only USB 2.0 ports?

My laptop's model number is an ASUS X205TA-SATM0404G. It has 2 USB 2.0 ports, which I have verified by looking up the specs online and also via the software and techniques mentioned here: How to ...
0
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0answers
706 views

Manually force a USB port to use USB 3.0 specification

I have a USB 3.0 external HDD which I need to connect to my laptop having USB 3.0 ports. But the problem is that out of 10 times it will detect only 1 time as USB 3.0 which is very annoying. I am ...
2
votes
0answers
2k views

How to determine USB OTG mode on Linux

I have got an i.MX6 device, which has a USB OTG port. Is there a way in Linux to find out whether that USB OTG port is currently in host mode or in peripheral mode? I tried dmesg | grep -i otg and ...
7
votes
3answers
1k views

USB 3 hub can also host USB 2 devices

I understand that when I use a USB 2.0 devices on USB 3.0 ports, that I'm really just using a USB 2.0 bus along side the USB 3.0 bus. What I really need is a true USB 3.0 device that can act as a USB ...
0
votes
1answer
89 views

Is it possible to retrieve data off of a (possibly) damaged flash drive? [duplicate]

I plugged in my USB flash drive into a port that sticks out of the front of the computer and put my files onto it. I didn't immediately take it out, but instead left it in there while I continued ...
-1
votes
1answer
63 views

Do USB power supplies send signals indicating energy level being delivered?

Do USB power supplies send signals to tell the connected device (tablet/phone/camera) how much power is being supplied? Or, is measuring it the only way for the device to know how much energy is ...
0
votes
1answer
230 views

Odd, “ghost failure” random USB mouse disconnects

Like a month ago while playing Counter-Strike: Global Offensive my mouse just randomly disconnected and reconnected a few times, for a few moments, then disconnected. I was using exactly the same PC ...
1
vote
1answer
1k views

Force MacBook Pro USB 3.0 to work as USB 2.0

I have installed Windows 8.1 through bootcamp. I have to plug in a device that implements the USB 2.0 interface, however, my MBP does not have any USB 2.0 ports, only 3.0. I know that theoretically ...
0
votes
1answer
100 views

I have a 10 USB HUB that turns off when I turn on a device from the wall socket

if I turn on a device from the wall socket the HUB turns off and then back on again,is that normal..? It did come with a power adapter but that got damage so its not powered,only powered by the PC.
1
vote
3answers
289 views

USB hub damages connected devices

This may be similar to USB hub damages an external hard disk (and storage devices) on use attempt. My question is at the end of this description. I purchased a cheap PORTS brand USB 2.0 hub to use ...
0
votes
0answers
257 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 ...
1
vote
1answer
115 views

Split Mini USB No MINI port on Computer

I am attempting to connect my new c.crane my Super USB WIFI 3 antenna to boost my signal so my neighbor can connect to our router.. It came with a USB splitter one side of which is a MINI USB.. ...