Toshiba A105 with WinXP will not boot. Press the ON button and nothing happens(suspect button not making good contact with ON Switch. After pressing ON button several times in different places the ON LED will light, the splash screen will appear for a moment then the sreen goes black. The power, battery, and ON indicator LEDs stay lit. The ON button LED stays lit while the system continually starts and turns off every 3-1/2 seconds without another splash screen.
Holding down the F8, F10, or F2 key gives no results. Depressing the ON button for 4+ seconds will not turn the system off. I Can not boot from the HD or DVDROM. The only way to stop the "restarting" is remove the battery. I have tried removing the HD in case it was causing an overload that might contribute to the restarting; no difference.
Do you know of anything that might help short of removing or replacing the motherboard? Your input is appreciated.
Walter
Maybe the power input is error
the uncorrect power input will result bad
or,
it's your mobo broken
The computer starts but, when you press a key, nothing happens.
You are probably in Standby mode and have a software or
resource conflict. When this happens, turning the power on
returns you to the problem instead of restarting the system.
To clear the condition, press Ctrl, Alt, and Del simultaneously
then select Shutdown, then Restart to restart the computer.
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Finally resolved the problem. The daughter-board micro switches all worked so I checked the buttons above the switches. The ON button was damaged and stays depressed causing the reboots. Filed the rough edge off the ON button and put a spot of airplane glue under the button directly above the micro switch. Problem solved
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