Video answer: How to fix all printer printing issues in windows pc (easy)
Top best answers to the question «Printer shows up as unknown device»
There might be an issue with the USB connection between the printer and the computer… When you connect the USB cable to the printer and to the computer, Windows might automatically try to detect and install your printer with an in-OS driver. If an in-OS driver is not available for your printer, an error might display.
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In the Devices and Printers windows look for your HP printer. If you see it listed right-click on it and choose 'Delete' or 'Remove Device' 6.) Open up the run command with the "Windows key + R" key combo.
Open the [Devices and Printers] window and delete the unknown device. (See " How to open the Devices and Printers window ".) Run the Printer Driver Uninstaller to delete all printer driver information from your computer.
Flag Post. Product: Officejet Pro 8620. Operating System: Microsoft Windows 10 (64-bit) Hello, I am not having any problems that I'm aware of other than Windows alerting me to a missing driver for an unknown device. A little hunting turned up the below.
The system is Win XP SP3 and a user plugged in a new USB printer before loading the drivers for it and the printer was recognized and installed as an 'Unknown Device' under the Universal Serial Bus controllers section of Device Manager.
Press “Windows key + X” to click on “Control Panel”. Click on “Troubleshooting” and click on “View all”. Click on “Printer” to run the troubleshooter. Once this is done, restart the computer and check if this helps.
1) Power up the printer, if wired unplug it's USB cable from PC. 2) Go to Settings>Apps>Apps and Features to find and Uninstall any printer software. 3) Go into Device Manager reached by right clicking the Start button, from View tab Show Hidden Devices, open Printer, on Driver tab if present Uninstall the driver.
If the error message, Unknown device appears, this can indicate that there is not adequate power and the PC can not identify the printer correctly. Verify that there are no extension cables and that the power cable is no longer than five meters. Reseat the power cables. Is the USB cable connection (between the printer and the PC) secure?
If you do not see your printer or a yellow exclamation mark in the list, skip to the next step to uninstall the driver. Right-click the HP device/Unknown device entry or the entry with the symbol, and then click Update Driver Software. The Update Driver Software - Unknown Device wizard opens. Click Search automatically for updated driver software.
If a printer is connected via USB before the ZebraDesigner driver is installed just once, the Microsoft operating system creates an “Unspecified” or "Unknown printer in Devices and Printers. The “Unspecified” driver that the Windows OS associates the Zebra printer with is a USB port that it automatically chooses.