The printer is another device that we connect to our computers. To install the printer, verify that you can print from the computer that has the printer attached. The remaining troubleshooting involves network connectivity. If the problem is that the printer’s output is not correct, skip to Check Printer Properties and begin troubleshooting from there. With this method, you should be able to isolate the problem to the application, the computer, or the printer.
Network Diagnostics scans an extensive range of stuff by default. So before doing inspection, it can be helpful to pare down the areas Network Diagnostics. If any of the items can’t be reached or if the response is irregular or blinking, it will be marked FAILED indicating that it’s the likely source of the problem.

Sometimes when no picture or image appears on the monitor, we feel like panicking. Well, we can’t assume our machines to be working all the time, so it’s best to check every now and then.
Find out if the monitor is plugged and its power is turned on. Look at indicator lights for clues. Confirm if the monitor cable is attached to the video port on the back of the CPU. If there is no problem with the connection, try adjusting the settings – brightness, contrast, horizontal, vertical views and so on. If all these don’t work, try connecting the monitor to another computer. For all you know, it might be your pc that is not working or is having trouble.