Toshiba L645 satellite won't boot [Closed]

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Hello,
My laptop Toshiba L645 satellite won't boot but the startup light is on,I have tried to power off the machine but not working. Even removing the battery but no change.
Any help I will really appreciate.
Thanks


2 replies

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Try this

1. Remove the battery and cable.

2. Press and hold the power button for 58 seconds.

3. Replug and start.

Good luck
@Ambusias
I have tried this but it doesn't work,the screen is black out,but when I push the power button, it blinks like its trying to boot but fails to pick up. Any other option.
The problem started when I upgraded its BIOS then upon restarting, it failed to boot again. I hope I didn't crash it coz I was using Toshiba BIOS from their official website. Any other way out possibly?
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It could be a power supply or a failed hard disk, only a hands on technician can tell.
>
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Thank you Ambucias.