Replaced power supply, no difference. During the past year, when my computer was shut down it increasingly took longer to boot up. Finally after a power outage, my computer will not boot up or tell the IDE to start. If I unplug the data cable to the IDE, the drive will start spinning. All voltages are good at the 20-pin connector.
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Thus far you did well however I believe since I had experienced the same issue with my computer shutting on and off as well. I went and bought some Heat Sink Paste and redid the CPU top and walla no more issue with computer shutting down. You may wish to give this a go. It worked for me. $4.00 fix. Thought I would suggest it. .John
Does it just shuts down or it reboots?
If it shuts down this type of problems can be resolved by scanning the computer for a virus or using the Windows Repair Disks. During boot if you can hit F8 and use safemode with command and prompt.
1 Type CHKDSK/F then hit enter
2 Press Y then hit Enter then reboot to see if this works.
If it reboots while booting up then.
Other things that might be preventing the computer to boot up most likely is the memory.
Take out the memory put it on a different slot or try a new memory.
Also make sure that the power supply fans are not dirty this prevents the computer to bootup.
start by removing everything, ram, any cards plugged in, drives etc. Then try and boot it. If the issue is still present, shut it down and remove the heatsink and cpu. I have known CPU's to be jolted out of their sockets after an impact. Take the heatsink off, lift the lever and remove the cpu. Check that all the pins are still aligned and straighten any bent pins then refit the cpu and lock the lever down. Refit the heatsink making sure that the heat transfer pad or heatsink paste is still present and lock it down. Plug the power cords and front panel wiring back in and try and boot it. If it boots, shut down and refit each item you removed one at a time, booting in between each item. If the issue arises again, the last item you fitted is the culprit. If you can refit everything and boot the system up, lady luck is with you. If you still cannot get it to boot after refitting the cpu, replace the mainboard.
Sorry but without special gear, locating a fault like this on a mainboard is a real pain..
what u may have done is wwhen u were installing the new board, gave a static shock to the system...that will cause only the fans to come on and nothing more...this is a bad problem bc u cannot fix it...if u figure out something else is wrong, and it gets fixed, let me know
Hi. the mother board seems to be having some initialization issues during boot up. this is common when the mother board is failing. i would check to make sure the battery on this board is working. if it is, the board my be ruined. power board seems to be fine. please rate and god bless.
Most likely your CPU is overheating. Download speedfan from this link. Speedfan monitors the temperature of your CPU. Note the temperature when the PC shuts off on its own. Let me know if this is helpful.
Your monitor is not receiving a signal from the computer.
First try the monitor on another computer and/or try a different monitor on this computer. If the monitor continues to have a problem, then either replace it or have it repaired. If a different monitor does not have the same problem when hooked up to this computer, then once again the monitor is bad.
If a different monitor has the same problem, then try the next few steps.
Turn off your computer, wait 5 minutes. Then remove your video card. Wait 5 more minutes (video cards take longer to drain residual charges than most other components) and then install the video card again.
Try borrowing another working video card and connect it to your sstem after removiing the current one. If you can see the text during the boot process when you turn on your computer, then your video card is bad and needs to be replaced.
If none of the above steps works, you may have a problem with a different component in your system. While off and unplugged, disconnect all expansion cards (RAM memory too) and drives with the exception of your video card and then attempt to boot your computer. if you are able to see the tex during the boot process, then some other component is bad; replace them one at a time after shutting down and unplugging your system until the problem comes back. That will be your bad part that needs to be replaced.