The good news is that they are easy to resolve. In fact, you can troubleshoot most no memory problems in a matter of minutes, you can learn a lot from here.
Process Explorer is a system tool from Microsoft and works on Windows 7, an advanced tool which can show processes name, program data, description, image, processer name, etc. Have a try with Process Explorer; for example, use it to kill a program process.
1.Download Process Explorer.
2.Open process explorer, the main window looks like below, there are 2 parts, left side is processes list, and the details are listed on right side.
3.You can check system information by clicking View > System Information.
4.You can kill process by right click on related process name, select Kill Process.
Check Scanner Connection
1.Press Winkey, type scanner in the search panel, click on View scanners and cameras.
2.On the new opened window, your scanner will be listed if everything is ok, if scanner can be seen, then the connection is abnormal.
3.If no scanner shown, please check the cable connection between scanner and computer. Check if the scanner is powered on.