If the printer begins to print the queued documents, wait for it to complete before proceeding. Switch the printer off by pressing the Power button until the indicator turns off. Try restarting the printer by powering it on.
If this does not work, try restarting your router to reset the network. Remember to close all network tasks. To restart, simply unplug the router from the power source and plug it again.
Wait for the router to connect to the internet. When you notice the indicator turned on, you can proceed to the next step. Reboot your Mac.
As soon as it restarts, click the Apple logo and select System Preferences. If the printer shows up on the list of connected printers, it means that you can start printing wirelessly again. Otherwise, the network may be having issues that prevent the system from printing. Switch the printer on and unplug the cable completely, both the USB connection on the device and the plug to the power socket.
Wait for at least a minute. If multiple printers of the same name are listed as a connected device on Mac, remove all the unnecessary ones extra printer entries of the same printer except the one that shows Idle. This is usually indicated with a green button below its name. Remove the extra entries multiple entries of the same printer on the list by selecting and deleting one by one.
Remove by clicking the minus button as shown in the image. Go to Printers and Scanners and open the list of connected printers. Delete the current printer by clicking on the minus button at the bottom right of the screen. Re-add it by clicking the plus button, select the device from the list that turns up and choose Add.
On the list of printers found in Printers and Scanners , right-click on the space of the printers list and select the Reset printing system. The list will then be refreshed and emptied. Add a printer by clicking the plus button at the bottom left of the screen. Printers are essential in everyday lives, and fixing an issue such as printer offline or not connected might necessitate advanced troubleshooting.
Having a professional check your printer will be better for a fast and efficient resolution of the issue. Figure : Eject feature in Windows 7. Wait for the light on the memory card reader to turn off or stop flashing. Then remove the memory card from its slot. If your computer received this update, use the following steps to roll the controller driver back to the previous version:. Click Start , enter device manager into the search field, and then click Device Manager from the results. Stop here , and try another suggested solution in this document.
Click the Driver tab, and then click Roll back driver. Click Yes on the confirmation window to go back to the previous driver. Click Close , and then restart your computer. The USB ports should work again. The computer might need to be serviced to connect the USB board wires to the motherboard connectors.
The front USB ports do not work on your desktop PC If your desktop computer came with USB ports on the front of the computer and they do not work, a cable inside the computer may have become unplugged. If the device is not recognized in the rear port, then use the other sections in this document to resolve the problem. Use the following steps to see if the front USB ports have become disconnected from the motherboard:.
To reduce the chance of ESD damage, work over a non-carpeted floor, use a static dissipative work surface such as a conductive foam pad , and wear an ESD wrist strap connected to a grounded surface. Turn off the computer, unplug the power cable, and position the computer so that you can easily work on it. If necessary, unplug cables and move it to a table over a non-carpeted floor.
Remove the side panel. If needed, you can find instructions that specifically match your computer by searching HP Customer Care at the top of this page using the model number of your computer and the term "opening the case". Figure : Removal of side panel your PC may look different but is similar. Look inside the computer. Check to see if this connection is secure. If the wires are not connected or are partially connected, secure the wires to the proper USB connection on the motherboard.
Also, you can refer to the motherboard specification that matches your specific model of computer. Figure : An example of front USB wires connecting to the motherboard. Plug in the power cable and the mouse and keyboard if they were previously disconnected. You can use the front ports after Windows has installed drivers for the USB ports. This can occur when the computer has speakers connected to the audio-out port, and the new USB audio device is connected after clicking Stop in Windows Media Player 11, and before you click Play.
For example, you would hear audio only from the originally attached speakers, not from the newly connected headphones. To resolve this problem, close Windows Media Player 11, and then open it again. This forces the player to recognize the new audio device. You hear no audio playback after you unplug a USB audio device When a USB audio device is unplugged, such as headphones or a microphone, no audio playback from the speakers is heard.
This might occur because Windows 7 did not detect that the USB audio device was removed and is still trying to send audio to the unplugged device.
To resolve this problem, close the media player, and then open it, or restart the computer after you unplug a USB audio device. This forces Windows to rebuild its playback graph and recognize that the removed device is unplugged.
This setting may not be available on your computer model. When the first screen displays, press F10 repeatedly until the setup screen displays. Use the Left and Right arrow keys to select the Advanced tab. Select a location. Europe, Middle East, Africa. Asia Pacific and Oceania. Select a language. Confirm Back. Search all support. Search help. Tips for better search results Ensure correct spelling and spacing - Examples: "paper jam" Use product model name: - Examples: laserjet pro p, DeskJet For HP products a product number.
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