Step 2. Step 3. Go to the Power Management tab, uncheck "Allow the computer to turn off this device to save power" and click "OK". Step 5. Then the USB port will appear. If it still not working, relax and follow Method 3 to get your issue solved. Click "Additional power settings", click "Change plan settings" next to your current plan option. In the Edit Plan Settings window, click "Change advanced power settings". After finishing the process, you should be able to use your USB drive or external hard drive to save or transfer data to your PC again.
If the storage devices are still inaccessible and you cannot read any saved data, don't worry. This USB data recovery software enables you to:. Connect USB flash drive to your computer. Click "Scan" button to start looking for lost files on PC. When the scan completes, you can apply the "Filter" feature or the click the search box to quickly find the lost files from USB. Preview the files you want to recover. Click the "Recover" button to restore files. Check video tutorial here.
After this, you can reformat the portable storage devices into NTFS or FAT32 so to make them reusable for storing or transferring data again. On this page, we explained why is the USB port not working on your computer.
And we offered a complete guide to help you diagnose if the problem exists on the USB port. If it's the USB port not working, don't worry. After fixing the issue, your computer will be able to detect and use your external storage devices again. Stay calm if your USB port is not working. The USB ports not working might be a temporary issue. Restart your system and see if the problem is resolved. You need to rule out the possibility of your USB port becoming defective before you proceed further.
You can also try connecting to a USB device to another computer. Hold down the power button for 30 seconds or a little more. This will discharge capacitors. Now restart the computer and see if the issue is resolved. USB ports need adequate power for functioning. If the power supply is not providing adequate power to the motherboard, such problem can arise.
Windows have a power management feature where it stops supplying power to USB ports that are not in use. 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.
If your usb keyboard or mouse stops working, use a PS2 keyboard instead.
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