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Model Number: M305D-S4829. Processor: AMD Turion™ X2 Dual-Core. Installed Memory: 4GB (PC6400 DDR2 800MHz SDRAM). Hard Drive: 250GB HDD. Display Size: 14.1" widescreen.

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Corrupted bios, need way to access and reflash

Hello, product of a failed bios flash the machine no longer boots: no Toshiba screen or bios access. All that it will do is have the dvd reader look for files, screen is dark with no discernible video.

Is there any method available which would let me go and reflash the bios.

Thanks in advance!

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Use the Toshiba Satellite M305D-S4829 CD/DVD Drive Replacement disassembly guide below:

Toshiba Satellite M305D-S4829 CD/DVD Drive Replacement

Yes I know but just read it first. You don’t actually take the DVD out but the panel just gives you access to the CMOS battery terminals.

Remove the back panel by removing the three labeled screws with a Phillips #0 screwdriver. Disconnect the CMOS battery to clear the BIOS. You will see it in the Step 4 photo just above the RAM modules. It has a two slot connector with a red and a black wire. Once disconnected press the power button for 15 seconds. Reconnect CMOS battery and put the back panel on. Don’t bother putting the main power battery back in - just connect power supply and press power button. Anything happen? Lights, beeps, fans, anything appear on screen, etc?

If that didn’t fix things then you could try this possible fix. Toshiba’s laptop business has been sold to Dynabook so good luck finding files.

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Luis Rincon sera éternellement reconnaissant.
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