Black screen on Satellite A100-712 after Bios update

I bought a new Satellite A100-712 and i did a bios upgrade, everything went well in windows and when the laptop got restarted it is stuck on the black toshiba screen which is displayed when we switch on the lapto.
Any suggestions please, I would be very thankfull

> i doubt toshiba didnt verify the drivers properly for all models
Sorry but I do not agree with you. BIOS update is very sensitive part of notebook upgrade and exactly there Toshiba must be 100% sure that everything works well. As I said in my previous posting I have updated BIOS on two WXP delivered A100 notebooks. One with number PSAA9E and other one with number PSAA2E. BIOS update on both units was successfully finished and I can confirm that offered BIOS on Toshiba download page is the right one.
Which model is your A100 (PSAxxx)? I have made BIOS update on PSAA9E because of VISTA OS installation. What is your reason for BIOS update on your A100?

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Hi
I get exactly the same thing on my A100-200 PSAA8E running Windows XP Media Edition since upgrading the BIOS to 5.20 two day ago after receiving an e-mail from Tosh telling me to upgrade
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OK
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Hi buddy,
the only thing you could do is to bring your machine to an ASP (authorized service partner) for a hardware checkup or BIOS repair because you in your situation cannot do anything.
Please, contact a service partner and send your machine to them, its the only way to solve your problems.
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Message was edited by: enigmo

Hi enigmo,
I cant imagine that this happened due the BIOS update. Have you tried reinstalling Windows by using Toshiba recovery disk?
This BIOS downgrade can only be done from an authorized service provider. The technicians can install every version because they have such special tools to make a downgrade.
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Hello there..
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Hi dhaval2000in,
Unfortunately I think the case is clear: Something went wrong due BIOS update and now your notebook cant start anymore :(
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Message was edited: posting has been translated

Toshiba EU driver page provides only the latest BIOS version.
Furthermore the BIOS downgrade isnt possible using the win-bases BIOS update.
In order to downgrade the BIOS on Toshiba unit, you will need to use the traditional BIOS update method which requires special BIOS version. This is available only for authorized service provider.
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did this also happen when you just had the factory image (Vista) installed? There are some steps to follow when setting up a dual boot system. We need to know if the "os not detected" was present with only windows vista installed.
I work for HP.
Please click the White Kudos star on the left to say thanks.
Please mark Accept As Solution if this resolves your issue.

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> Satellite A100-590 PSAA9E freezes on Toshiba welcome screen after BIOS update
What to say Marc. It looks like you have used a wrong BIOS version or you have updated the BIOS in wrong way.
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Dont forget to save the settings if you will exit the BIOS.
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Good luck
Greetings

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Hi
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Black screen on Satellite A100-712 after Bios update

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