L505-13T bios problem

[soltaan]

Dear sirs ..
I Had a problem in my laptop after updating bios to 2.1-win .. the laptop turns to black screen with a dash in the up left corner and not booting from HD or CD
is there any way to revert to the old version of bios

the lap top is Toshiba L505-13t
Main board : NSWAA LA5322P rev:1.0

could you help me please how to repair it ??
please send me to my email
soltaanalmilaah@gmail.com

because I'm using my friend laptop for 3 days searching for solve
thanks for your concern

[SMDFlea]

Re: L505-13T bios problem

Make a crisis recovery drive and try to flash bios.If it doesn`t work you need to clear the cmos.Remove the battery and dismantle the laptop ,remove the top case.Desolder plus side of the cmos bios battery and lift the leg or put a piece of card under it, then place the top case on,but don`t clip it down.Attatch the power button ribbon cable, with no adapter or battery press and hold the power button for 1 minute. Resolder the cmos battery, connect power button cable again and also the keyboard, and try to start with adapter , tapping f2 to enter bios. If it doesn`t enter bios or start you will have to flash the bios with a hardware bios programmer .

[soltaan]

Re: L505-13T bios problem

thank you very much for your help

programming finished my problem

THANKS THANKS THANKS