Re: Desktop shutdown. will not come back on. Green light...
This sounds like it might be a power supply problem. If you are tech savvy enough you can do this. 1st try unplugging it, let all the lights go out and then plug it back in. Try to turn it on. It might work. If not, unplug the pc and hit the power button to discharge all voltages. Open the side panel and watch where all the cables go. Label if needed. Unplug all cables carefully. The ones on the motherboard have a clasp that holds them. You simply sqweeze the clasp and it should pull free. After all cords are removed, remove the screws from that hold the power supply itself in. These are usually on the back. Pull the power supply out carefully. Take the unit to your local computer store. They should have a tester to test a make sure that it works ok. Replace if necessary. If it is not the power supply you might try only plugging in the motherboard and HDD. Remove and boards using a static strap between you and a grounded (plain metal) on the case. after that, plug the unit in and see if it powers up. If it doesn't, it could be the motherboard or a video board you needed to keep plugged in.
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Try disconnecting the computer from the printer and shutting it down by removing the power cord and then also shut down the computer for a minute or so and then reboot it and check in "Printers" and see if it has anything waiting to be printed and if so clear out the queue. Flashing green light indicates that the printer is receiving data from the computer and/or printing so you shut it all down and cold reboot to clear out the computer confusion in both the computer and the printer.
First, create a shortcut on your desktop by right-clicking on the desktop, choosing New, and then choosing Shortcut. The Create Shortcut Wizard appears. In the box asking for the location of the shortcut, type shutdown. After you create the shortcut, double-clicking on it will shut down your PC.
But you can do much more with a shutdown shortcut than merely shut down your PC. You can add any combination of several switches to do extra duty, like this:
shutdown -r -t 01 -c "Rebooting your PC"
Double-clicking on that shortcut will reboot your PC after a one-second delay and display the message "Rebooting your PC." The shutdown command includes a variety of switches you can use to customize it. Table 1-3 lists all of them and describes their use.
I use this technique to create two shutdown shortcuts on my desktop—one for turning off my PC, and one for rebooting. Here are the ones I use:
shutdown -s -t 03 -c "Bye Bye m8!"
shutdown -r -t 03 -c "Ill be back m8 ;)!"
What it does
Shuts down the PC.
Logs off the current user.
Indicates the duration of delay, in seconds, before performing the action.
Displays a message in the System Shutdown window. A maximum of 127 characters can be used. The message must be enclosed in quotation marks.
Forces any running applications to shut down.
Reboots the PC.
Please check if you can access the "error code operational check" to narrow down where the fault came from. How to enter to error code operational check. Note : The TV must be in shutdown and not have been switched off. When the TV is switched off, the error code automatically resets to 12 (no error). Press the buttons on the front panel "Input/Device" and "Menu" at the same time and hold it for 5 sec, activate the error code mode. The LED light will flashes denoting a two digit error code. Example : if the error code is 22, the led will flash two times pause and then flash two times and will repeat the error code for five times.
If you can't access the error code operational check , please let me know the exact pattern of the flashes of the led light and its color. Check if it will continually flashes green to give you the caused of the symptoms and best solution.
This suggestion is a real long shot but at least it something you can try. It sounds like you've alreadyruled out all the other stuff I was going to suggest. Try replacing the CMOS battery on the mother board. It's one of those large flat batteries about the size of a nickel.
Phillip you have a problem in the main power supply or in the High voltage shutdown circuit. Now the longer you wait to have this fixed the more its gonna cost ya Unless your a tech then get a schematic and measure the voltage on the hv shutdown pin on the video junglke ic when the set shuts down If the voltage at the time of the shutdown sodent spike up then you know your problem is in the power supply. Good luck