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Monitor is not plugged in or monitor is not plugged in to computer
Try looking up your zip code or see if you can update the computer.
What net snmp does in a command line is monitor the condition and health of network equipment such as routers, computer equipment and devices like USPs.
how is the first computer monitor
A computer monitor is hardware. It only provides for display.
To start the System Monitor from the terminal or run window, you can type "gnome-system-monitor" (without quotation marks, of course).
Assuming there is power to the monitor (the 'on' indicator is illuminated)... Check the cable from the monitor to the CPU is connected... (try another cable to be sure). If that's okay - the next thing to check would be the graphics card inside the computer (best done by a competent technician).
With the top command.
Your tower is your computer. If you are asking if the monitor and computer have to match the answer is no. You can use any monitor with any computer.
displaying the picture. The actual computer is the big rectangle beside the monitor. on a laptop the monitor and the monitor are connected into a compact shape.
The monitor is the screen of the computer which displays the interaction the user is having with the computer. It is important that the monitor is kept clean, and know the proper way to clean it.
The monitor.