Can't access BIOS on Dell Dimension E521 after BIOS update

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If you can manage to boot a proper "Crisis Floppy" you may be able to save your original motherboard. Search for that term on google. I *BRICKED* my Compaq notebook after hex editing the bios and flashing it. I was able to *UNBRICK* it with the Crisis Floppy. The idea is there is just enough of the BIOS at the front end (16K?) that knows how to flash itself from a floppy. If you clobber the rest of the BIOS it doesn't care.
 
I had the same problem you did. Just reset the bios, but leave it for like a whole day, that's what I did, goes with the saying "good things come to those who wait."
 
had this problem and it bloody got on my goat. In my view it is a Bios issue, had tried everything else then downgraded my bios from ver 1.1.14 to 1.1.11 and it worked straight away. Question, Dell Support the purpose is. ??
 
Hi everyone unfortunately I have the same proplem with Dell Dimension E521 BIOS, so, please, can somebody who solved this problem succesfully share with expirience?
Thank you/