If one of your USB devices isn’t working on Windows 7, whether it’s a USB keyboard, pen drive, printer or some other USB device altogether, this guide should resolve your problem.
Note that there are 5 possible methods here. You may not have to try them all. Just start at the top of the list and work your way down.
FTDI USB Serial Port driver is the software that helps your operating system to communicate with USB Serial Port devices. Get the latest driver Please enter your product details to view the latest driver information for your system. The Dell Bluetooth USB adapter software driver also communicates with the host computer system to ensure that enough power is sent to the device to allow it to function properly. Both Basic Imaging and File Transfer Profiles are supported by the software driver which are also made available to the applications that require or support the.
Method 1: Hold down power button
Method 2: Check your power supply
Method 3: Check your power management settings
Method 4: Check your device drivers
The easiest way that may resolve the problem is hold down the power button for 30 seconds or so. This will discharge the capacitor. After that, reboot PC and check to see if the problem is resolved.
Power supply powers most USB devices. If, for some reason, your power supply is not able to provide adequate power to all the USB devices, they may stop working. Sometimes, this can be fixed quite simply:
1) Unplug the power supply and charger plug from your laptop
2) Restart your laptop
3) Connect your USB device to the PC again
4) Plug the power supply back in
IMPORTANT: You’ll need to use a keyboard or a mouse to try any of below solutions. . If your usb keyboard or mouse stops working, use a PS2 keyboard instead.
In order to save power, by default, Windows swtiches your USB controllers off when they’re not in use, and switches back on again when they’re needed. Unfortunately, sometimes this approach doesn’t work as intended, and Windows fails to switch your USB controllers on again.controller or the devices.
To rule this out as the cause of your USB woes, just stop Windows from ‘managing’ power to your USB controllers and devices:
1) Open Device Manager.
2) Expand the Universal Serial Bus controllers branch.
3) Double-click the first USB Root Hub device in the list, and click the Power Management tab. (If you see only one USB Root Hub device, that’s fine)
4) Un-check the Allow the computer to turn off this device to save power checkbox, and click OK.
5) Repeat steps 3-4 for each USB Root Hub device in your list of Universal Serial Bus controllers
Your USB ports not working problem is probably being caused by driver issues. The steps above may resolve it, but if they don’t, or you’re not confident playing around with drivers manually, you can do it automatically with Driver Easy.
Driver Easy will automatically recognize your system and find the correct drivers for it. You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing.
You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks (and you get full support and a 30-day money back guarantee):
1)Downloadand install Driver Easy.
2) Run Driver Easy and clickScan Nowbutton. Driver Easy will then scan your computer and detect any problem drivers.
3) Click theUpdate button next to a flagged USB driver to automatically download and install the correct version of this driver (you can do this with the FREE version). Or clickUpdate All to automatically download and install the correct version ofallthe drivers that are missing or out of date on your system (this requires the Pro version – you’ll be prompted to upgrade when you click Update All).
Here take Intel USB 3.0 driverf for example:
[2020 Updated] Download USB Drivers for Any Android (Samsung/ Motorola /Sony/ LG/ HTC/ ASUS/ Huawei and others): .Here we are sharing all the latest Android USB Drivers for Windows and Mac. You can download them from the download section below and install them on your PC or Mac
USB Drivers are one of the must-have tools to be installed on your PC or Mac. Because of that, your mobile device interacts with your PC.These work as Bridge between your Phone and your computer. The USB drivers help us to connect our phone to the computer and perform tasks like transferring data, syncing your device with a PC. They help us to connect our Android devices to tools like Odin, Sony Flash tool, and SuperOneClick.
Below, we are sharing the links to USB drivers for most of the popular Android device manufacturers like Samsung, LG, Sony, Google, HTC, Motorola, Dell, etc. These USB drivers are safe to use as they are from their respective manufacturers. All the links are valid and official. We recommend you to download the latest USB drivers[note type=”important”]It is highly recommended to Enable USB debugging on android smartphones before performing any task in the fastboot mode. [/note]
|Latest Samsung Drivers||Download|
|Download Latest Samsung Kies||Download|
|Samsung Android ADB Interface Driver v2.9.510.0||Download|
|Latest OnePlus USB Drivers (Windows and Mac)||Download|
|MediaTek VCOM MTK Drivers (Updated)||Download|
|Latest Motorola USB Drivers (Win & Mac)||Download|
|Latest Google USB Drivers||Download|
|Latest HTC USB Drivers 4.17.0.001||Download|
|HTC Sync Manager||Download|
|Latest Sony USB Drivers||Download|
|Sony PC Companion||Download|
|Sony Bridge for Mac||Download|
|Latest LG USB Drivers||Download|
|LG Flash and LG UP Tool||Download|
|LG UpperCut Tool||Download|
|Latest Dell USB Drivers||Download|
Go to the link and choose your mobile device or tablet to download the specific version USB drivers.
|Latest Intell Android USB Drivers||Download|
|Latest ZTE USB Drivers||Download|
|Latest LeEco USB Drivers||Download|
|Download Asus PC suite PC Link (drivers included)||Download|
|Latest Huawei USB Drivers||Download (Check below)|
|Latest Acer USB Drivers||Download|
|Latest Amazon USB Drivers||Download|
|Latest Pantech USB Drivers (PC Suit)||Download|
|Latest Lenovo USB Drivers||Download|
|Latest Micromax USB Drivers||Download|
In case the above drivers do not work for you, do as described below:
If you have any question, feel free to ask in the comment below.
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