You have two kidneys, each about the size of a fist, located on either side of the spine at the bottom of the rib cage. Each kidney contains about one million functioning units called nephrons. A nephron consists of a filtering unit of tiny blood vessels, called a glomerulus, which is attached to a tubule. When blood enters the glomerulus, it is filtered and the remaining fluid then passes through the tubule.
In the first case, each time the computer starts up, the question mark appears and flashes for a few seconds, then disappears. The cause of this symptom is that there is no hard drive selected in the Startup control panel. Remember that selected on the Macintosh means that an icon is darker than the other.
Fix Screen flashing issue in Windows 10. 2. Click on âServicesâ tab, find two services named âProblem Reports and Solution Control Panel âand âWindows Error Reporting Service â (check the screenshot below), uncheck them to disable, if Windows prompts you for a restart, do it.3. have the same problem with the flashing desktop screen. Ctrl-Alt-Delete brings up the task manager but the flashing screen prevents me from typing in msconfig!!! My laptop is useless now.