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Topic

Member
JB2579
Posts: 9
Registered: ‎09-06-2013

Acer Aspire M5-481PT BIOS update failed, won't boot

Tried to update using download from Acer and it shut down 80% of the way through the update for no apparent reason. Now it won't boot. Have keyboard lights and fan noise, but screen remains black, and nothing happens from there. I've seen some old posts especially regarding the Aspire One where you could put an .fd file (a BIOS file) on a flash drive and hold Fn + Esc and it would replace the BIOS that way so you could boot again. Tried that with my M5-481PT but no success. And I haven't found any instructions for the M5-481PT (or any other M5) anywhere. Anyone have any ideas? I'm totally stuck at this point.

Member
JB2579
Posts: 9
Registered: ‎09-06-2013

Re: Acer Aspire M5-481PT BIOS update failed, won't boot

Can anyone help? There must be someone somewhere who knows how to replace the BIOS from the flash drive for the M5. When I hold down Fn + Esc on power-up the flash drive lights up for a split second (the DVD drive does too) so I know it is being accessed. All I need to know is what files should be on there for it to succeed. I called Acer and they won't support it because it's a refurbished computer. They told me to go to "a local store such as Best Buy." I've had the computer a week and a half and it's a very expensive paperwieght at this point. Please help!

Member
JB2579
Posts: 9
Registered: ‎09-06-2013

Re: Acer Aspire M5-481PT BIOS update failed, won't boot

Still stuck here. Does anyone happen to know if the eRecovery DVD you can purchase from Acer includes a BIOS crisis recovery capability? As in, insert DVD, hold Fn + Esc, power on, and it will allow it to boot?

Occasional Contributor
mazen
Posts: 67
Registered: ‎12-20-2012

Re: Acer Aspire M5-481PT BIOS update failed, won't boot

try to shutdown laptop, then turn on and keep tapping F2 until u get Bios setting screen, set bios to Default and then f10 to save then reboot and see if it works.

Good luck

Regular Visitor
dhroopy
Posts: 4
Registered: ‎09-18-2013

Re: Acer Aspire M5-481PT BIOS update failed, won't boot

Hi JB2579

 

I am also facing the same problem; I updated Acer BIOS - UEFI for Windows 8 (Not for Upgrades); Version - 2.22; Dated - 2013/06/20 on my Aspire M5-481PT-6488 laptop. Now it wont boot up, the battery & the keyboard lights are on, but there is no screen display.

 

Were you able to get it resolved? Is there any way I can revert this change?

 

Thanks

Dhroopy

Member
JB2579
Posts: 9
Registered: ‎09-06-2013

Re: Acer Aspire M5-481PT BIOS update failed, won't boot

No, I was not able to resolve my problem. Mine was still under warranty and I dropped it off at UPS two days ago. Frustrating because as I understand it, all I need is the correct DOS BIOS file (in .fd format) on a flash drive, hold Fn + Esc and I am up and running, but Acer doesn't provide any DOS BIOS files, only the Windows-based .exe files. So much less efficient to mail it etc at Acer's expense and time -- they could just provide the files and save themselves time and money. Oh well. I'll update this post when I get mine back. Good luck.

Regular Visitor
dhroopy
Posts: 4
Registered: ‎09-18-2013

Re: Acer Aspire M5-481PT BIOS update failed, won't boot

Yeah if they could at least provide the correct file name we can download on a flash drive and give it a try ourselves.
I am in yet another problem, I bought it from USA and currently I am in India, and there are no service center close by :smileysad:, can't even ship it to the Acer center..
ACE Pioneer
padgett
Posts: 1,422
Registered: ‎12-08-2012

Re: Acer Aspire M5-481PT BIOS update failed, won't boot

I take it that you cannot even get into the BIOS setup.

 

If the BIOS is confused, you have what is known as a "brick". You need some code just to get started and there is no way I know to toggle in a bootstrap. The whole idea of updating a BIOS should be done under very controlled conditions with a UPS and the computer left completely alone until finished.

 

Once screwed up the only way to restore that I know is to replace the BIOS chip.

 

True, some computers maintain enough of a bootstrap to be able to reload the BIOS but only ACER knows if yours has that capability.

 

Bottom line: I only update a BIOS if there is no other choice.

Regular Visitor
dhroopy
Posts: 4
Registered: ‎09-18-2013

Re: Acer Aspire M5-481PT BIOS update failed, won't boot

Hi JB2579

 

Any luck with the issue? I am stuck with mine in India with no success.. :smileysad: ...

Member
king
Posts: 9
Registered: ‎11-09-2013

Re: Acer Aspire M5-481PT BIOS update failed, won't boot

im stuck with the same problem with my acer aspire 4752G. i tried wincris but it wasn't working.
in my service manual, .FD file should be place in a bootable flash drive, but in bios file from Acer it's .WPH and .ROM.

any successfull process sir?

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