I can't get my pc to turn on. I have unplugged, waited, tried another outlet etc. This started approximately a week ago. After several tries, it did come on, and I was able to use it for about 4 days. I was able to turn it on/off without difficulty. Suddenly, when I went to power it up again, nothing happened. What might the problem be? It is approximately 6 years old.
I researched this a bit more. Apparently, changing out the power supply may not solve the problem. Approximately 70% of the time, with an E machine, when the power supply dies, it also takes the board with it. There is no way of knowing if the board is bad, unless the power supply is replaced ($125.00). Does this sound familiar to anyone else? Complete repair (including installing Windows on the new board) would run about 350.00. This is the Midwest...not sure what other parts of the country run.
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Need more info, Give as much detail as you can. What happens when you push the on/off button? Fan spin? LED's Blink? Any thing on the screen? Sound? Does the computer try to start and a second later shut down? Check the power cord, check the AC outlet? Is it on a UPS? Try AC outlet? Can you get to BIOS or Boot Menu? ETC.
Follow these steps to clear the password: NOTE: These steps also clear CMOS. 1. Shut down the computer.
If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery 5. Remove the real-time clock (RTC) battery 6. Wait approximately 30 minutes. 7. Replace the RTC battery and reassemble the computer. 8. Connect AC power to the computer. Do not reinsert any batteries at this time. 9. Turn on the computer. All passwords and all CMOS settings have been cleared.
Then unplug the power cord from the power outlet. Wait at least 10 seconds before re-plugging the power cord into the power outlet in the wall (bypass any power strip) and the power adapter into the printer. This will give enough time for the printer to reset itself. If printer won't automatically turn on, press the power button. If that doesn't help, please contact Lexmark Technical Support Center for additional assistance.
You can try unplugging the PC, removing the RAM and re-seating it. It could also be a power supply issue, either too much for it to handle or it's not functioning correctly. My first suggestion would be unplugging hardware that's not needed for a week or so and see if it keeps happening with only the HDD plugged in. If it doesn't continue plug one thing in at a time until you find the culprit... although because it does run for a bit when you have the so called culprit, unplug it and plug something in its place, if it continues then you may have over powered your power supply and need to get something a bit larger.
You may also have issues with the PC over heating or fans not running correctly, make sure to check these items while your PC is turned on. (please be careful).
If Nothing else changed in the last 2 weeks, such as a new router, or other hardware changes, AND it just started happening, I suggest you do a "system restore" to a date BEFORE the problem started.
This should correct the problem, and if you did any updates or other software installations, you will need to re install them.
Finally, one option prior to system restoring is to turn off the wireless router (unplug it) and then wait a minute. Plug back in. Then turn on your computer. You can try this first if you haven't already..
Make sure the power cord is securly plugged into the Power Supply Unit in the back of the PC and also in the wall outlet. Look for a switch by the cord plug on the pc that will have a straight line and a circle on it. Make sure it's switched to the ON position (straight line). Try and turn on your pc.
If this does not work still, try a different AC outlet on another wall or in another room. Also try a different power cord for the PC. If none of these work and your machine will still not start up or you don't hear any fans going when you press the button, it might be a bad Power Supply Unit (PSU). I have seen PSU's blow out just by plugging or unplugging the power cord because it can create a spark. If you have a bad PSU, you will need to contact someone local to replace it or you can take your unit to a Best Buy or local computer store and have them give you a price on a new PSU.
The green light is most likely your lan card/port. If the cord/outlet are sparking when you plug it in, I would say try plugging something else into that socket, if you get the same spark, I'd call an electrician. Also try plugging the pc into a different outlet. As far as the computer, if its not the outlet then it is the power supply, your motherboard may be fried in the process but if this isn't an issue with that outlet, then you should take it in to a shop.
This might work. Unplug the power cord connected to the back of the PC. Press & hold the start button on the PC case for ten seconds. Reconnect the power cord & try starting the PC. Still no power. Connect the power cord from the PC directly to a wall jack. (No power strips). Still no power? Possible the power supply went bad.