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Max_Carnage Max_Carnage is offline
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Default Downgrade your Mini 10v BIOS to A04 (Requires Windows) - 09-03-2009, 11:03 PM

## Note: There are risks associated with BIOS updates. Follow this process at your own peril. ##

1. Create a DOS bootable USB stick on your Windows computer

1a] Download USBDOS tools from the end of this guide.
1b] Unzip and run HPUSBFW with...
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  #10  
Old 09-23-2009, 04:25 AM
Skiz Skiz is offline
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It appears that it worked and everything went OK. Now for the (seemingly) arduous task of installing OSX.

Thanks for the help.
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  #11  
Old 09-23-2009, 04:35 AM
Max_Carnage Max_Carnage is offline
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You are most welcome! OSX should not be an arduous install, especially if you're installing Snow Leopard.
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Dell Mini 10v | OSX 10.6.1 | 2GB RAM | 160GB HDD | 1510 Wifi | BIOS A04 | USB Legacy: OFF | USB Wake: ON | OEM BT 2.0: ON | NetbookInstaller 0.8.3 RC3

Status: A little slow to boot. Otherwise perfect!

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  #12  
Old 10-02-2009, 11:09 PM
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DarkRaven DarkRaven is offline
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Thanks for the guide Max-C.
It worked and was very helpful.
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  #13  
Old 10-03-2009, 08:29 PM
wfryer wfryer is offline
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I was nervous making this BIOS update with the warning about the mini10v becoming a doorstop, but I did it and it worked well. Thanks - I was looking for the modifiers which would force the file to execute and downgrade.
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Old 10-06-2009, 07:06 AM
umang26 umang26 is offline
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Im not able to go through the first step. I ran HPUSBFW then selected fat32 then selected create a DOS startup disk Using dos files located at...my flash drives location in which i put R225278.exe ...when i press start it says "There is no valid DOS system files at the specified locaton.

P.s.: I unzipped USBDOS on the desktop in a new folder..
I tried it with two flash drives..where am i going wrong?
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  #15  
Old 10-06-2009, 07:58 AM
Max_Carnage Max_Carnage is offline
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You need to set the "Using DOS files from" option to point to one of the sub-folders in the zipfile (now unzipped). From memory, they're called WINME and MSDOS or something.
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Dell Mini 10v | OSX 10.6.1 | 2GB RAM | 160GB HDD | 1510 Wifi | BIOS A04 | USB Legacy: OFF | USB Wake: ON | OEM BT 2.0: ON | NetbookInstaller 0.8.3 RC3

Status: A little slow to boot. Otherwise perfect!

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  #16  
Old 10-07-2009, 10:35 PM
vtdarkhorse vtdarkhorse is offline
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Default worked like a charm

I used this method step by step on my Mini 10v, which shipped with Bios A06. After following this method to revert back to A04, I used the windows bios update to A05.

Thanks Max_Carnage!
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  #17  
Old 10-11-2009, 11:38 PM
sravana sravana is offline
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Is this still the best method to downgrade one's bios? I know how quickly previous installation instructions become obsolete around here.

If it is, I'll be doing it tomorrow...
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  #18  
Old 10-12-2009, 03:11 AM
utDarkViper utDarkViper is offline
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I believe it is =) I am about to do it now, I'll update my status.

Also, given the fact that you can install Snow Leopard on the Mini 10v without downgrading the BIOS by connecting it externally to a MAC, I would assume you can safely upgrade your BIOS back to A06 after the install. However, I see no real reason for doing so. =)

---------- Post added at 11:11 PM ---------- Previous post was at 10:29 PM ----------

It completed successfully. It definitely beeps a lot, but I pressed F2 upon reboot and it lists A04 as the current BIOS.
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Dell Mini 10v: 2GB Ram - 160 GB Hard Drive - Bluetooth - Intel 1510 Wireless - A06=>A04 BIOS - Windows 7 Ultimate x86
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  #19  
Old 10-12-2009, 11:51 PM
sravana sravana is offline
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Okay, I'm sure this will seem like a *really* stupid question - but how do you boot from the USB? I followed the instructions to make the USB bootable, removed it from the Mini, then I shut down the Mini.

I put the USB stick in the port, then turned on the computer, and it booted to XP as usual. Do I need to hold down F2 or F8 or something?

This probably seems really dense to you guys, but I'm not a geek!

---------- Post added at 06:47 PM ---------- Previous post was at 06:30 PM ----------

Nevermind - I found that you need to hold F12, and my Mini is beeping away...

Just shut down!

is rebooting!

---------- Post added at 06:51 PM ---------- Previous post was at 06:47 PM ----------

A04 BIOS.

Wow. That was easy! Thanks for the extremely clear instructions, Max!

Onward to Snow Leopard...
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