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Released in 2012, the Toshiba Satellite C850 is a 15.6-inch notebook with a choice of either AMD or Intel processors. It has USB 3.0 and can be configured with up to a 1TB HDD for storage and discrete graphics.

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My Toshiba satellite c850 is totally stay black screen when I press on

My Toshiba satellite c850 is totally stay black screen when I press power on. It sounds like machine is running but after few minutes it just silent with black screen. It also looks like the battery life is gone... Please advice me some solution for it. I can't afford to get a new one I need to fix it anyhow for my work. Advise me please...

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Have you tried removing the battery and just plugging in the charger? If it then works then you know that your battery is dead and needs replacement.


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First unplug the charger and remove the main battery.

Reset the BIOS by removing CMOS coin battery.

Click link here

Download the maintenance manual and go to page 4-14 for the CMOS battery disconnect.

This will reset the BIOS to the factory defaults. Reassemble.

Anything now?

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Hi, thanks for the reply. I tried

, machine runs but nothing on the screen. I tried it connecting to the external monitor, still same story. Feeling like to throw it out. It's almost new laptop, I couldn't even use it 3 months. The screen Suddenly stopped. What's the last option you know. Please advise me something. Thanks


Update (11/04/23)

Hi,,, morning. Sorry I fall asleep. Thanks for the reply again. I'll try with it asap and let you know.

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Arafat Zr sera éternellement reconnaissant.
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