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Toshiba Satellite C55-A5100 Laptop de 15.6in Intel ® Core™ i3 - 312 0M Procesador 2.5GHz 6GB 750GB DVDRW

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Toshiba Laptop no signs of life ( CMOS Battery )

Hello! I made little scraches under cmos battery by mistake and after i put back cmos battery Toshiba Satellite laptop doesn’t start. There is no power ( its connected to power ), doesn’t show battery or no other light. Totally no signs of life. I want to ask the problem is on motherboard or another thing? How can i check and proceed? Please help me, thanks!

Update (08/09/2021)


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If the laptop worked fine BEFORE you scratched (?) the CMOS battery then just replace the battery. The CMOS battery is how the laptop keeps all the settings for the BIOS/UEFI - how the computer knows what to do.

Let us know how it goes. These “CR2032” batteries are cheap and can be purchased just about anywhere.

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I understand but pins under the cmos battery doesn’t hold battery itself.. I search in google and CMOS battery cannot cause no booting ot no power, but thanks anyway i will try!

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A corrupted BIOS can cause no booting and no lights. I've dealt with that problem at least 4 or 5 times but with the CMOS battery removed usually something will happen as that will cause the BIOS to reset factory default.

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Can you provide photos of the affected area?

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Looks like damaged trace(s), which can be repaired using solder or jumper wire. Here's a video illustrating the basic idea:

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