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No display

  • Acer
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  • Aspire
  • Shutdown
  • Displays
Last response: in Laptop Tech Support
July 5, 2012 4:01:53 AM


I have Acel aspire 4745 laptop and yesterday, at the time of updating BIOS, mistakenly i shutdown it. Due to which now there no display. Please help me the steps, how i can solve this.

More about : display

a c 571 D Laptop
July 5, 2012 1:21:32 PM

You've 'bricked' your BIOS. It will need a new BIOS chip or removed to be reprogrammed outside the laptop.

Your next step is to find a laptop repair shop that can fix that serious problem for you.
July 7, 2012 9:48:54 AM

no actually i need steps to update bios using USB Flash drive and the URL to download correct bios for acer aspire 4745 and the guidence on file rename
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July 7, 2012 10:12:38 AM

I got below setting for my acer aspire 4745, but i want correct bios download link for acer aspire 4745 ?

BIOS Recovery Hotkey:
The system provides a function hotkey: Fn+Esc, for enable BIOS Recovery process when system is powered
on during BIOS POST. To use this function, it is strongly recommended to have the AC adapter and Battery
present. If this function is enabled, the system will force the BIOS to enter a special BIOS block, called Boot
Steps for BIOS Recovery from USB Storage:
Before doing this, prepare the Crisis USB key. The Crisis USB key could be made by executing the Crisis Disk
program in another system with Windows XP OS.
Follow the steps below:
1. Format the USB storage disk using the Fast Format option.
2. Save ROM file (file name: JAL90x64.fd) to the root directory of USB storage. Make sure that there is no
other BIOS file saved in the same directory.
3. Plug USB storage into USB port.
4. Press Fn + ESC button then plug in AC power.
The Power button flashes once.
5. Press Power button to initiate system CRISIS mode.
When CRISIS is complete, the system auto restarts with a workable BIOS.
6. Update the latest version BIOS for this machine by regular BIOS flashing process.