My tower loses power and I can't seem to figure out why or what to do. I don't have to be using the computer. It can be turned on and not in use and and will suddenly turn off. The only way to get it working again is to unplug the three-pronged plug from the back and then plugging it and unplugging it until it comes back on. Sometimes this has to be done more than a dozen times. I tried the method on the power strip end, but that seems to have no effect on it. The only time it shuts down consistently is when I run a full Norton scan every Friday. Each time about 20 minutes into the scan it shuts down. I don't want to invest in any new cords, etc. until I'm pretty certain what the problem is. Thanks.
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The tower has a self contained power supply module that is the problem, it must be replaced for a new one, you need to bring the tower to a computer repair store for service, because they have to install the correct power supply for your model.
I strongly advise you to replace your old (VERY OLD!!) PC with new one. Do not worry, you will not lose any data from your old PC if you will take hard drive off your old PC and fix to new one.
Anyway, if you still want to keep your old PC (NOT RECOMMENDED) you will have to buy new Power Supply and clean up your PC inside.
If the system has the printer connected via USB, then go to the properties of the USB Root hubs in Device manager, power management tab, and uncheck the box to allow Windows to turn off the device (On by default) and repeat on all the USB hubs
It sounds as if your power supply is having issues, I would recommend replacing it. If your good with computers, you can test the power supply:
1. Open the computer tower.
2. Find the main plug which runs from the power supply to the motherboard.
3. There should be 16 wires.
4. Find the green wire, short it to the black wire with a paper clip.
5. If the computer seems to turn on, its your motherboard having issues and you will probably need a new computer. If it does not turn on, your power supply has failed, and you need to replace it.
I hope this helps!
Actually, it most likely is not the monitor which is in "power save mode", it is the computer itself.
When you cannot get a computer out of "power save mode" by any other means, typically the cause is that the button-cell-type battery of your computer, which is located on the motherboard, is empty.
Usually, this happens on a computer which is a few years old, since its batteries will have run out after such a long time. (The motherboard battery is used to store various settings when the computer power is off, such as date and time. When your computer detects this battery is empty, it goes into a low-power mode).
The solution is to replace the button-cell battery on the motherboard of your computer:
open the case of your computer;
visually locate the motherboard (the main electronic circuit board) of your computer;
visually scan the motherboard for a button-cell battery (it looks like a digital watch battery, but a bit larger);
remove this motherboard battery from your computer;
restart your computer: it should now power up normally (you may get some warning messages during the start-up sequence, but ignore them);
set the date and time of your computer using the "Date and Time" control panel;
you can now use your computer normally, but you will lose date and time settings when you disconnect the computer power cord, since there is no motherboard battery present to store them;
take the motherboard battery to an electronics store and get a replacement;
install the new battery in your computer;
restart your computer, and set the date and time again; the settings will now be saved using motherboard battery power.