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1.virus can cause.
2.power supply failure
3.connectios of the devices both internal and external devices,
3.bad configuration of the devices.
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∙ 15y ago
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What does it mean when post fails to load on a computer?
POST (in uppercase) refers to the power-on self-test; the message might indicate a failure with some of the computer's hardware.
Where would you find the post on your computer?
POST - in computing terms - stands for Power On Self Test. It's a series of diagnostic and analytical programs that auto-start when you switch on your computer.
What does no video during POST indicate?
POST means "Power On Self Test", and is a series of tests the computer will conduct before loading your operating system (i.e. Windows). Most desktop computers that pass POST will sound a single short beep. If POST fails with a "no video" error, that probably means the computer was unable to properly initialize the video device during POST. You will likely need your computer serviced, in this event.
What is the abbreviation for POST in OS?
POST Stands for Power On Self Test.This happens when you switch on your computer and system checks whether all hardware components are attached properly or not.
How do turn off the parking brake light in 1990 Chevy Astro?
When the brakelite switch fails it fails to on. Replace the brakelite switch. Located under the dash on the brake pedal arm. You will see a push switch that is released when the brake is pressed. Just replace that switch.
Write the steps to switch on a computer?
The steps to switch on a computer begin with making sure that the computer and its peripherals are plugged into an electrical outlet. Turn the power switch on the electrical outlet and press the power button on the computer tower. Turn on the computer monitor and wait for the computer system to start up.
What happens when the network fails on the computer?
Try it
When do you change an ac pressure switch (clk320)?
When it leaks or fails to work.
Why does my Lenovo laptop web cam light flash went i turn my computer on?
It's probably part of the Power On Self-Test (POST) function that computers do when the power switch is pressed. When you first switch on a computer, it performs a self-test (POST) to make sure the hardware is working, and the operating system software is started. As part of POST - it also checks things like cameras, disk-drives etc are also working.
You think your computer got a virus you cannot switch it on please help?
If you can't turn on the computer and it won't even go to the "POST", there is something more serious wrong. Even with a virus, the computer should hit the Power On Self Test.
How do know pressure switch is bad on power steering pump?
You would suspect the switch if when the steering is turned hard over the engine stalls or stumbles.To definitively diagnose:You will need a scanner that will real time read what the sensors are telling the engine computer. When the switch fails to operate it will be seen on the scanner. Even then this can lead to a false diagnoses as a wiring fault could disconnect the switch from the computer. So the wiring and connections should be checked before replacement.
What the difference between a no post and no boot?
No post, fails start up tests, No boot pass's POST tests but wont load os. (answer A on dell exam)
