Satellite Pro S300-120 does not start after replacing the CMOS battery

Hello

My friends laptop - a S300-120 - was having a few problems.

I replaced some parts about this before, including a screen crack with no problems.

However, he began to refuse to start saying "out of battery CMOS, Press F1 to enter setup". Of course you would have to do this, set the date and time, except & restart only to get the same message. We have replaced the CMOS battery with a with the same serial number and now the laptop will not boot.

It does one of two things.

It is one) seems to turn, turn to the top disk & CD player, cooling fan is 100%, then flashes the POWER ON led once, twice by orange, and then green to 1/2 second intervals, with no response from the keyboard or LCD.

Or (b) turns on, turntable, does not turn up to cooling fan, POWER ON witness remains stable, no response from the keyboard or LCD.

I re-assembled the laptop several times & can not find all the missing fittings or obvious signs of damage.

The only thing I can think is that the motherboard has been damaged - somehow find replacements is delicate.

Any ideas?

Hello

(> It is a) appears to turn on, turn the disk & CD player, cooling fan goes to 100% and then flashes him

POWER ON led once, twice by orange, and then green to 1/2 second intervals, with no response from the keyboard or LCD.
Usually, if the voltage in abnormal feeding malfunctions when IN DC will be blinking orange.

In my opinion, it looks like a problem with the motherboard :(
Eventually, you will need to replace the mobo ;(

Tags: Toshiba

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