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USB connectivity issues | Solving device connection issues to PC

21.09.11, 17:37 | #81
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Before asking a question with a problem, we read under the spoiler "вњ” Solutions".

In addition, we strongly recommend that you familiarize yourself with:
☛Solving problems with files on the memory card ☚
☛ discussion topic of your device☚
☛ Enable USB debugging ☚
☛FAQ on your device☚
☛ Android OS FAQ☚
It is possible that the problem you have is directly related to a specific device model,
widely known and its solution has long been found.

BE ALWAYS CAREFULLY READ THE FOLLOWING CAREFULLY!

Why was my post so important removed?

It probably doesn't matchforum rules. Delete without warning the following:
1. Flood, offtopic (p.4.18 PF)
2. Provocations, insults and assaults on the participants of the topic (p.4.8-4.9 PF)
3. вЂњApesвЂќ (messages like вЂњanswer me, please,вЂќ and the like) (Clause 4.13 PF)
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5. Questions "why my post was deleted" in the discussion thread (p.4.21 PF)
6. Oral thanks (p.5.1-5.2 PF)

before creating a message, copy and fill in what is below:
-Brief description of the problem:
-Device / Model:
-Operating system and firmware:
-Even taken action:
If you want to add an image, please read.How to clean the image under the spoiler.

Description

There are five types of USB connectors:

From left to right: micro USB, mini USB, B-type, A-type connector, A-type connector
micro USB - used in the smallest devices like music players and mobile phones;
mini USB - also often found on players, mobile phones, and at the same time on digital cameras, PDAs and similar devices;
B-type - A full-size connector installed in printers, scanners and other devices, where the size does not have a very fundamental importance;
A-type (receiver) - connector installed in computers (or on USB extension cables), where the A-type connector is connected;
A-type (plug) - A connector that connects directly to a computer into the appropriate connector.
MicroUSB 3.0 connector

USB Type-C connector

Learn more about the USB standard

вњ” Solutions

What you need to do first

1) Try to replace the cable.
2) Plug into another USB port (preferably behind the system unit, since these ports are soldered directly on the motherboard).
3) Try another PC.
4) Disconnect all USB devices (both external and internal (for example, card reader))
Alternative ways to connect to a PC using third-party programs.

Let's try to check the settings / applications / development / USB debugging .

Attention!If you canвЂ™t find a similar item in any way, then you have firmware version 4.1 and higher installed where it is hidden. To access it, in the "About phone" section (you may have a different name) several times (about 10) click on the "Build number". After this, the item "For the developer" should appear.
Enable debugging in particularly advanced cases.

How to return the choices when connecting the device?

Tip 1
Tip 2(review)
In the process of filling ...

Solving problems with the MTP driver. Solving common issues with drivers.

Proper removal of device drivers from a computer

Device drivers are usually hidden in the device manager as soon as the device turns off or gives a command to hide it (despite the fact that they are still installed in the system). Very often, the "same-name" drivers conflict because of inconsistencies between versions, etc.

The method of cleaning the list of unused devices: (Already, it has been tested by many and gives good results when nothing helps to "see" a working "device."
0. Disconnect all external USB devices from the computer.
1. Create an environment variable named DEVMGR_SHOW_NONPRESENT_DEVICES with a value of 1.
For this: 1.1. Right-click on the вЂњMy ComputerвЂќ icon (My Computer) and select вЂњPropertiesвЂќ (Properties).
1.2. In the dialog box that opens, go to the Advanced tab and click on the Environment Variables button.
1.3. On the Environment Variables panel at the top of the dialog box, click the New button.
1.4. In the вЂњVariable NameвЂќ field, type (better copy from here) DEVMGR_SHOW_NONPRESENT_DEVICES, and in the вЂњVariable valueвЂќ field, enter 1.
1.5. Press the вЂњOKвЂќ button twice in a row.)

The created environment variable will allow the device manager to show all device drivers installed in the system (both hidden and all that have ever connected to the computer).

2. Call the manager / device manager:
3. Right-click on the вЂњMy ComputerвЂќ icon, select вЂњPropertiesвЂќ (Properties) and go to the вЂњHardwareвЂќ tab.
4. Click on the вЂњDevice ManagerвЂќ button, expand the вЂњViewвЂќ menu and select the вЂњShow Hidden DevicesвЂќ command.

5. Start "cleaning" the system from the "trash":
Section 5.1 "Disk Drives" Every time you connect a new USB flash drive, put a new driver. Each time you connect the same USB flash drive, but a different USB port, put the new driver. Drivers of all currently disabled removable storage devices in this section, you can safely remove - they put again when connecting flash drives and other USB-carriers. Among these hidden and unused drivers, and driver will be "on your device" (possibly "bad" and not one). It should be called "Your device" USB Device, but it is not always determined correctly and so the name could be more ... Feel free to remove everything that relates to the "Your device" in this section. When you first connect the "Your devices" new driver from the current established himself or ask you to install it.

5.2 Section "Other devices" Here you can remove all HID (gray) devices - these are all your unsuccessful attempts to put "something". You definitely do not need them ...

5.3 The section "Volumes of storage devices" Here you can delete the HID (gray) "volumes of storage devices" are the "letters" of your flash drives - they are not needed, because will be assigned again when you connect a flash drive ..

5.4 Section "Universal Serial Bus Controllers USB": Here you can remove all HID (gray) devices: "Your device" Device USB Driver, USB storage device, Unknown device and others.
5.5 Restart the computer.

6. After all these deletions, try reconnecting вЂњyour deviceвЂќ. It should show up as a new device and Windows will install drivers for it or you install them yourself (on some devices you need to install drivers without USB connection, i.e. connect after driver installation).
6.1 Restart the computer.
Typically, this procedure eliminates all the problems in conflicting drivers "of your device."

7. Thank you for the information provided.Alex_1959,: yes2:

When connected to a PC via usb cable, the device is not detected, but only charged

1) Try to replace the cable.
2) Plug into another USB port (preferably behind the system unit, since these ports are soldered directly on the motherboard).
3) Try another PC.
4) Disconnect all USB devices (both external and internal (for example, card reader))
5) Set the checkbox "Settings \ Connect to PC \ Ask". If installed, remove and reinstall.
6) Try another flash card.
7) Prohibit / remove task killer (if one is installed), or add "PC Synchronization" to the exclusion list.
8) Try not to use adapters / extenders
9) Install the driver

latest_usb_driver_windows.zip(8.28 MB)
The drivers will also be installed when installing programs from various manufacturers for synchronizing devices with a PC (HTC Sync, Samsung Kies, etc.).IMPORTANT: When installing drivers, be sure to disable anti-virus software on your PC.
10) Make a wipe through the settings of the PDA (reset to factory settings) or through recovery (go to ClockworkMod recovery and perform wipe data / factory reset). This will remove all installed applications and restore the default settings.
11) Reload the PDA and / or PC.
12) Delete the installed drivers and the corresponding software on the PC (for example, HTC Sync), restart the PC, install the drivers again, restart the PC again.
13) use the advice indicatedhere.
14) Turn off the PDA, get the battery, SIM card and memory card for 15-30 minutes.
15) Clean the connectors in the machineUSB connectivity issues (Post # 19849241)and FAQ for Samsung Galaxy Ace GT-S5830iUSB connectivity issues (Post # 20080680).
16) Update Windows Media PlayerUSB connection problems (Post # 20228084)
17) For Samsung owners: update KIES and press "update driver" in itUSB connectivity problems (Post # 20192608)
18) How to connect a smartphone to UBUNTU via USB?USB connection problems (Post # 20478060)
19) Possible causes of problems connecting Samsung Galaxy S III (G
T-I9300) to PC under Windows and their solution.
20) For those who have a computer stopped seeing the tablet (phone)USB connection problems (Post # 24022682)
21) No USB connection to Kies:USB connection problems (Post # 26358851)
22) Reflash.
23) Hike to the service center.

When connected via USB, nothing happens at all.

1) Try to replace the cable. To tryneatlymove the cable in the smartphone connector.
2) Plug into another USB port (preferably behind the system unit, since these ports are soldered directly on the motherboard).
3) Try another PC.
4) Disconnect all USB devices (both external and internal (for example, card reader))
5) Try to clean the connector
In the process of filling ...

He asked himself, he answered. Solving your problem from the user

Usually the solution to the problem, directly or indirectly, is reflected in the header.

When connected to a PC, the phone is not detected at all, but the charge is on. Answer
You need to install the driver, only bad luck: the PID / VID of the tablet is not there in the driver config Answer
The yellow triangle on the USB MTP device is lit, gives an error when connected - USB MTP device - Failure Answer
Recently, I ordered a Samsung Galaxy 4 phone from China, but it does not connect to the computer Answer

Some tips for ownersSamsung

Solution for Samsung Galaxy J5 2015
How to get to the menu of switching the USB connector mode for Samsung devices with a CDMA module.
Tip 1.
Tip 2.

Advice for LGP500 owners (and possibly other phones) with custom / original firmware

Thank:maximum117
ATTENTION!Before all manipulations, save all data and close running programs, since When installing the driver, the system displays a blue screen.
Config:
LGP500 CM7.1-N2 + ta-gb-1.3
Decision:
1. Connect the phone to the PC, the PC does not find the driver.
2. Go to the task manager, look for our device (will be with an exclamation point).
3. Right-click - update-driver-select the installation of the driver from the computer-select the driver from the already installed ones.
4. In the list we are looking for a USB controller; we select a universal one (it may come from small ones as well as others) -component usb device.
5. The system will install the driver, you can use the usb-flash drive function.

Shl. The most important point is 4. The main thing to find in the list is a driver of the type "composite usb device", on xp and 7-k points can be missed. If the system does not fall out of the blue screen (the appearance of a blue screen is very rare, for example, when installing the driver from the drive for usb hub =)).

If issuedblue screenwithout disconnecting the phone from the computer, poking on the reser on the system, the PC will reboot, after giving the choice of loading the operating system, selectSafe mode. The system will boot into safe mode, then start-up control panel-dispatcher device-look for our phone (in my case, the phone had a name like .... LG USB ...), right-click to remove the driver. Reboot.

It is also possible to force the booting into safe mode during the next reboot before all manipulations (in win7 we launch start-in search, enter msconfig - the load tab - put a tick in the Safe mode - click on OK - the system will ask Restart or Logout without rebooting - select Exit without reboot).

ZZY. The method works on 7-ke exactly - checked on the stationary and on the beech (win7x32).

(!!!) P.S. Do not forget that problems with connecting the device to a PC via USB can be caused by:

features installed on a specific device, custom firmware;

third-party software installed on the device and / or PC, a conflict between them, etc .;

The problem may be in the "hardware" (technical malfunction of the memory card, USB-port, wires, etc.).

In the presence of these circumstances, universal methods, indicated anywhere else, may not be of help to you.

Other useful

Solving problems with driver MTP using USBDeview utility
The problem is when creating / deleting files by third-party FM, when using the firmware built into the firmware, MTP immediately updates the cache.
USBDeview - program for working with USB devices
Wiring, pinout connectors for PDAs Pinout USB, USB-OTG
USB HOST on snapdragon devices
Discussion flash drives
Chargers - compatibility
Replacing the standard connector on miniUSB - hp ipaq 2110/2190 / 2190b
Remaking American usb adapter

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Post has been editedMaks.hackdog - 30.05.20, 16:50

Reason for editing: Solving the problem with MTP connection on Windows

03.11.11, 13:26 | #82
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Hello. There is a device Samsung Galaxy S 9000. It is charged via USB and is determined without any problems. But here's the problem: flashing through Odin does not pass - the device screen is fully illuminated in one color (can be completely black, red, green ..). I tried to install different OSes - zero result. And one sees the device. Tried all usb ports on your computer, changed the cable - piercing passes. With all of this apparatus is fully home's my computer. I went to a neighbor: it has an old computer with a variety of viruses (he even ativir not worth it), set for his company only samsungovskie driver - ask for one and a half minutes. What is the reason? Why do I not want sewn?

03.11.11, 14:12 | #83
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Grave 53 @ 11/03/2011, 14:26

What is the reason?

And compare operating systems? What software is installed, which services are disabled, etc. There is plenty of room for comparative analysis.

Grave 53 @ 11/03/2011, 14:26

he doesnвЂ™t even have ativir

By the way, he can also interfere.

03.11.11, 19:32 | #84
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-Brief description of the problem:
USB flash / USB modem / USB devices do not work
-Device / Model:
7 'MID WM8650 (green light, black headphone jack) (If anyone knows how to determine the model more accurately, tell me)
adapter for 2 USB + 1 RJ45
-Operating system and firmware:
Android 2.2 generic-eng2.2 Froyo Ver1.5.3
-Even taken action:
Does not see any USB device, and the power is supplied to them that can be seen on the LEDs, tried 16/0.5 gig flash drives, formatted differently, external hard drive, megaphone modem, everything buzzes, but the tablet ignores them (the impression is that it does not detect new devices ), SD cards work as they should. All USB is connected via an adapter, RJ45 checked everything works, I assume that the problem is software and flash drives are not mounted

Please help with ideas and solutions.

03.11.11, 20:36 | #85
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Here everyone is sitting discussing that the computer does not see the bodies and so no one has said that they will go to the Service Center)) Shock))
__
Well, at one time I didnвЂ™t do my brain for a long time and decided to address this problem described in the beginning of the topic in the SC ... IвЂ™m still waiting ....
Unsubscribe if anything. Maybe someone will help)
My personal opinionwhat micro USB this sucks .... Before that, the nokia n86 8gb used the same socket to fly. It seems to me that the micro USB socket is not very reliable ...

05.11.11, 16:46 | #86
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Hello!
-Brief description of the problem: When you connect your phone to a computer, the device is recognized, but when you try to drop files on it, copying takes only a couple of minutes, after which it stops in one place and gives an error. Kies sees the phone at the beginning, but then there appears a message about resolving the connection problem, that is, the phone is visible to the computer, but it is impossible to perform any actions with it.
-Device / Model: Samsung Galaxy S2.
-Operating system and firmware: Android OS 2.3.3, firmware version I9100XXKE7.
- Actions were taken: plugged into another connector, reinstalled firewood through Kies. Nothing helped.

Advise what actions you can take in this situation.

05.11.11, 21:55 | #87
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Dmeentor @ 11/05/2011, 15:46

There seems to be just one item "removable disk". Help please.

This means that the functionality of the wireless modem is not implemented in the firmware. Either sew such where it is, or put the appropriate software.

Celtic Man, To begin to report the text of the error.

06.11.11, 10:43 | #88
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Bodtek @ 11/05/2011, 21:55

To begin to report the text of the error

"Copying a file * file name * is stopped and there are 2 options:" skip "and" cancel copying. "When you click on a pass, the error repeats with another file, as a result you have to stop copying. as when you enter My Computer and select a device, there are already no folders in it.

06.11.11, 14:22 | #89
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Celtic Man, What errors associated with this copying are in the Windows event log?

06.11.11, 15:12 | #90
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Bodtak

This is the error when copying files.
The magazine seems to have no errors with copying ...

Interestingly, just threw a file larger than 700 mb onto the phone, and already when copying to the Android folder an error occurs. Maybe this will lead to some thoughts.

Here I sorted out some mistake, maybe she did.

Post has been editedCeltic man - 06.11.11, 15:20

06.11.11, 20:39 | #91
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-Brief description of the problem: When the usb is connected to the phone and computer / outlet, the screen periodically refuses to respond to touch. Hardkey buttons work well, the phone does not slow down.
-Device / Model: LG Optimus One
-Operating system and firmware: First official 2.3.3, then Cyanogenmod 7.1.0
- Actions were taken: I thought that the problems in the firmware, reinstalled, the problems remained.

06.11.11, 21:35 | #92
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Celtic Man @ 11/06/2011, 16:12

Interestingly, just threw a file larger than 700 mb onto the phone, and already when copying to the Android folder an error occurs. Maybe this will lead to some thoughts.

It will tell, if you describe in more detail, how is it different to "throw on the phone" from "copy to the Android folder"? And second, do errors occur when copying any files or when copying large files?

Posted on 11/06/2011 21:35:

walkm2n try a different cable.

06.11.11, 23:26 | #93
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Bodtek @ 11/06/2011, 21:35

Throwing on the phone is to simply open the device on the computer and drop the file in any folder. And in the second version, specifically in the Android folder.
Well, I tried to throw a file weighing more than 700 mb - everything is fine, but then I tried to throw a cache of just over 300 mb in size - that's all, an error. That is, it is suspected that the error occurs when copying to the system folder (Android).
Tomorrow I will try to throw different files into different folders and describe the results.

Post has been editedCeltic man - 06.11.11, 23:27

07.11.11, 12:00 | #94
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The error actually occurs when copying files to the Android folder. Files are copied perfectly to all other device folders.

07.11.11, 12:29 | #95
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Celtic Man @ 11.11.2011, 13:00

The error really happens when copying files to the Android folder

is the folder called "/ android"?

07.11.11, 13:09 | #96
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Bodtak
Yes, the path / sdcard / Android, well, and accordingly there is a Data folder into which most of the game and program caches are copied, copying cannot be done there either ... In short, the large files cannot be copied to the system folder.
In general, if so, then there are no special difficulties. Copied the cache from the computer to any other folder, and then on the phone copied into this very folder Android. Therefore, I think that it makes no sense to look for the cause, if there are any problems, I will write. For now, I think, there is a reason to stop here. Thanks for the help: thank_you:

07.11.11, 23:49 | #97
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How to install firewood from the cap? Can someone describe the thread in detail?

08.11.11, 21:54 | #98
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zorgiuszorg download, unzip. When prompted to install the driver, click "Install from disk" and specify the file android_winusb.inf. It seems like everything.

09.11.11, 21:49 | #99
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when connected there is no request, it just charges the body

09.11.11, 22:03 | #100
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zorgiuszorg I did not claim that the request must necessarily be connected. Check the device manager and update the drivers manually.

Post has been editedBodtek - 09.11.11, 22:03

10.11.11, 10:30 | #101
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Good day! Tell me what could be the problem when connecting the device to the PC, only charging is going on, and what window the phone doesnвЂ™t get out (charging, pass-through connection, drive, etc.)
On the computer, the "USB device is not recognized" window crawls out.
Before that, water spilled on the phone, the phone was immediately removed and dried.

HTC Incredible s
OS and firmware: Android 2.3.3 Official

tried to connect on different computers, with different wires, nothing helps, it is only charging.
drivers also tried to install, also to no avail

Post has been editedmaruska_818 - 10.11.11, 10:31

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