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Hi there! What is happening here is the computer is not posting up. Does it show you the windows logo? I believe not? Usually for this kind of problem you can try this steps . First unplug all the external devices connected to your computer like printer,scanner then unplug the power cable/Ac adapter connected to your computer from the power outlet or strip if your using one and make sure that you will take out the battery as well.. Try to press and hold the power button for like 20seconds (you have to do that to remove any flea power inside the system we called this "power cycle").After that plug in the Ac adapter and start the computer normally by pressing the power button again. If the system power on normally that would be great but if not there might be problem with the hardware so you have to contact Toshiba it will be better if the system is still in warranty (Take note of the keyboard lit lights as well cause Toshiba technical support might ask that ). Hope this help you. God Bless...
Test your PSU or replace it if your power supply units fan is not working your PSU is faulty
One bad lead can cause a computer to continue on a cycle or to shutdown or fail to boot
Test all leads that attach to your hard drive including electrical extensions,IDE,SATA
the leads from your motherboard to your hard drive make sure they have a secure connection and are not faulty or just replace them there probably old and faulty
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty or just replace them they are probably old and faulty ?
hope this helps
I think you have just about covered everything by testing the hardware out on a different system. The only vital thing that you haven't checked is the PSU (Power Supply Unit).
Get another power supply of the same type and try that in your system as faulty PSU's can cause these problems even though the motherboard is showing that power is being received, it could be showing a false positive.
Please let me know how you get on and if i can provide anymore assistance.
You don't want to hear this I know, but your symptoms are very much like those of a computer in which the motherboard or processor has died. It is defnitely not the hard drive as you would still get a display and be allowed to go into Bios even if the hard drive was totally out of the computer. And missing memory would result in bios beeps indicating a faulty bios configuration, but all of that requires that the motherboard and processor be good. If they are not, you have the situation you are speaking about.
it could be your power switch, veriy that it isnt the power supply by
1.) un-plug it from the main board
2.) look at the main board connector(one coming of the power supply)
3.) you should see green wire and next to it a black one
4.) using a paper clip bridge the too wires
5.) if it works proceed to net step if not get a new power supply
to check case switch and board switch
1.) plug in power supply to main board
2.) look at the pins where the power button connects to
3.) using a metal object (blade screw driver) bridge the pins
if the board should start up>
then its your power button on the case that is bad, you can try to repair it, chage it or buy a new case,
if it doesnt work.
1.) ensure that jcms(jumper to flash the bios) is set correctly
2.) unjack each drive one at a time to see if any is causing stalling
3.) get a new main board