Question about MSI 790XG45 AM3 AMD 790X ATX AMD Motherboard

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When I power up the PC, the fans run, including the CPU fan, the ActivePhaseSwitching LED lights up, but the boot sequence never starts. I'm usin an MSI 790x-g45 motherboard, AMD Phenom II processor, 4gb Patriot DDR3 memory Any Ideas?

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Could it be booting, is the keyboard lighting up? if so, it is likely a video card problem.

Posted on Aug 06, 2010

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Posted on Jan 02, 2017

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My HP G60-230us was shutt down during my son was playing game,no power at all(LED light under charger connector is on,Power light LED/Battery light/Hard disk light are off,Please help?


OverheatingWhen the CPU overheats then it will shut down (i.e. thermaloverload) and won't boot up again until it has cooled down. If this is theproblem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are cloggedwith dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make surethe vents are clear and dust free. Use a small brush and can of compressed airto do this.

Jul 10, 2012 | HP Computers & Internet

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Won't start but CPU fan vibrates but will not go full blast. Intermittant


It appears you have a faulty CPU fan and it is causing the CPU to overheat and shut down.
I suggest you replace the CPU fan. remove any dust from the heatsink and put new heatsink compound on the CPU/heatsink.

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Gateway gt4016 desktop, s/n gcm64 110 54982 unit will not boot up, pressing power button, fans starts, yellow light comes on, then shuts down. cleared cmos, pressed power button unit will boot up but...


the cpu could be over heating make sure its secure if you like get some thermal paste from your local pc world put a little on the top of the cpu under the cpu fan and replace fan securely might work be carefull....bonnell

Sep 17, 2011 | Gateway GT4016 Desktop PC

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Does not boot up, fans start, internet plugs light, clicks on and off.....seems this is a common problem for these machines, what is the fix?


Instructions
  1. When you press the Power button to start the boot process, the LED lights glow while the computer verifies that there is sufficient electrical power to activate the hardware.

    Effect & Solution: When you press the power button, the LED lights on the computer do not glow or the LEDs blink briefly and then stop. There is no sound of the fan or hard drive spinning, and the screen remains blank. The computer will not start if there is insufficient battery or AC adapter power.
  2. The BIOS queries various hardware components used for the startup boot process.

    Effect & Solution: When you press the power button, the LEDs glow but there is no fan or hard drive sound. The LEDs may glow briefly and then go out.

    Or

    The LED lights blink, stop, and then blink a second or third time, but there is no sound from the computer and the screen remains blank. The sequence of the blinking lights indicates a specific error code.

    Or

    A series of beeping tones is heard. The sequence of beeping tones indicate a specific error code.

    If a hardware component has recently been replaced, or if the PC has been jarred or shaken, there may be a loose connection to the memory chips or hard drive which prevents the computer from starting.
  3. The BIOS loads the basic input (keyboard) and output (advanced LEDs / display screen / boot drives) devices into memory.

    Effect & Solution: When you press the power button, the LEDs glow, the fan or hard drive sounds, are heard, but then the boot process stops and a black screen - with an error message - displays.

    The boot check has detected a communication error or conflict with a hardware component that must be corrected.
  4. The BIOS loads the Windows operating system and starts the services that allow low-level control of all of the background operations.

    Effect & Solution: When you press the power button, the LEDs glow, the fan or hard drive sounds, are heard, the HP or Compaq Logo displays on a black screen, but then the boot process stops and a blue screen - with an error message - displays.

    The boot check has detected a hardware driver error or a software conflict that must be corrected.
  5. Control is transferred to the Windows loader to initiate the display of the advanced settings in the Windows environment.

    The Windows logo displays during this step.

    Effect & Solution: When you press the power button, the computer performs all the steps in the boot process, but after the Windows Logo displays, the moving Windows progress bar or the rotating cursor stops moving and the boot process stops.

    An error message may display on a screen with the Windows logo. In some instances, there is no specific error message.

    Or

    A black screen appears and the computer attempts to restart.

    The Windows self-check has detected a software conflict that must be corrected.

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Power on but no display processor fan running power switch light off


Power light possible means nothing, maybe a burned out led.
No display: Try feeling the cpu heatsink to see if its getting warm. If it is cold after 15 minutes running, the CPU may have failed. If warm, move onto the graphics. If using onboard, try using an aGP card and see if you get a display then.

(I'm assuming that you get a beep on powering up? If you get no beeps at all, confirms CPU is at fault, if 8 beeps on start up, probably graphics. any other beep codes, post them and I (or somebody else will help)

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Fan is running, power button with blue light is off, cpu won't boot up


Your cpu might have died. As the computer is starting tap F8 and choose last known good configuration to see if you can get it started.

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Thinkcentre M55 8806 power on off problem


May be your computer motherboard wires connection get loose or getting moisture in wires. Or there may be some earthing problem in ur power switch. First, check the wires connection & tighten up properly. if problem persists, check the earthing by power tester. Check you RAM if it is properly tight in the jack.

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CPu fan turns for 1 second and then stops.


If all was working fine before, then, you have either not connected the cpu power cable, as is sometimes required other than being powered by the processor socket, or your power supply unit is not pentium 4 compatable and is unable to power the processor.

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