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Windows 7: Black screen after update bios

05 Mar 2010   #1

windows 7
Black screen after update bios

i just update my bios then my laptop dont start just black screen
i tried f2,f8,f12 nothin happen
i think i dont have my bios anymore
hope anyone can help thx

My System SpecsSystem Spec
05 Mar 2010   #2


Sounds like a bad flash.

Unfortunately 'laptop' doesn't really give us anything really to work with.

Brand, model and flash method may help.
My System SpecsSystem Spec
05 Mar 2010   #3

Windows 7 Ultimate (64)

smarteyeball is correct as it sounds like a bad flash... If so, back to the manufacturer it goes.
My System SpecsSystem Spec

05 Mar 2010   #4

windows 7

toshiba satellite a205-s7459
the bios i have was ver 1.9 and i tried to update it to 2.5 then this happen
My System SpecsSystem Spec
05 Mar 2010   #5

Windows 7 Ultimate 32 Bit and 64 bit

im never updating my bios lol
My System SpecsSystem Spec
05 Mar 2010   #6

windows 8.1 pro

maybe this might help, is this the black screen that indicates your windows is not genuine? if yes, some oem, are tied to the bios, for instance dell has a universal windows activation code, but it will only work on a dell bios.
therefore if the bios was changed it would cause the above problem.
My System SpecsSystem Spec
05 Mar 2010   #7


If the laptop is not even POSTing - complete blank screen, I'm sorry to say but you will most likely have to take it somewhere to be repaired since the BIOS is corrupted beyond easy recovery.

You could try a local PC store or contact Toshiba directly.

Depending on the mainboard of that laptop, you will need an a specialized tool to 'erase' and 're-flash' the EPROM/EEPROM chip or a replacement EPROM/EEPROM chip if it's detachable.
My System SpecsSystem Spec
05 Mar 2010   #8

Windows 7 Ultimate 64bit

you more then lucky installed it wrong. Reinstall it.
My System SpecsSystem Spec
05 Mar 2010   #9

XP, Vista, 7, CentOS

Have you tried this method yet... (slightly different model, but still should the same basic process...)

How to reset bios with cmos battery on toshiba satellite a135 - Operating Systems
My System SpecsSystem Spec
05 Mar 2010   #10

Windows 7 Ultimate 32-Bit (x86)

Quote   Quote: Originally Posted by StealthyBoss View Post
im never updating my bios lol
Updating your BIOS is very important. The updates patch things that were wrong with system. Like some updates may give you better battery life and better system stability or performance.
My System SpecsSystem Spec

 Black screen after update bios

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