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DeLL Vostro 3700 A12 Bios FuLL Unlock


DoZe
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CMOS reset & Recovery Procedure :

 

  1. Disconnect the system from external power source, remove main battery on a laptop.
  2. Remove the computer cover and locate the CMOS coin cell battery
  3. Disconnect the coin cell battery
  4. Press the power button for at least 10 seconds to drain all residual power from the system
  5. Re-connect the coin cell battery
  6. Assemble the unit and verify functionality
  7. Of course, set date and time, etc... and option you need
  8. i repeat : certain bios option can hang at boot, or do a blackscreen. (need to re-do the cmos reset)


IF and ONLY this steps not work, Go for bios recovery procedure, here it is :

1. Download the file attached with this post
2. Format an Usb key (if this one have a led, it's convenient to see the process during recovery) in FAT32 format without any file (no boot,etc...)
3. Unzip the file on the Usb key without changing the name, it's very important !
4. Remove the battery AND Unplug the AC adapter
5. Plug the USB key on your laptop
5. Hold the "END" key and plug the AC adapter
6. The computer start by itself and normally, must read the usb key (this is why a led on usb is cool)
7. The computer ask if he can flash the bios (allow it, but i suppose you're not mad,lol)
8. Normally at the end, the computer restart and you stop to hate me 😅

PS : the MD5 of Winery70.hdr : ca14e2bf276cb50746901bec41d73c73 and for FinaLA12FuLL.rom : 795b2296fef7f86674d1da098dfee505

 

V3700recoBiosA12.zip

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DeLL OriginaL Changelog :

 

A12
- Removed "resume bypass" item in BIOS setup menu.
- Enhanced Security for BIOS bypass function

A10
1.Update Intel VBIOS to V2056
2.Update Intel ME version 6.1.0.1052
3.Update MRC to V1.4 support i3 CPU.
4.Enhance SSD Security function.

A09
1.Update PXE ROM for Novell Zenwork connection
2.Correct L2 Cache info at BIOS SETUP when Celeron CPU installed

A08
Update BIOS relative table for OS

A07
1.Update bios microcode for new Intel CPU i3/i5/i7
2.Fixed Intel vbios fix SG uninstall black screen issue
3.Support INT2 (Pin-11) FFS

A05
1. Boot order can now be changed
2. Admin Password and BIOS Setup Lock can now be cleared by Master Password
3. Intel UMA LCD brightness unstable issue fixed
4. Fn+F6 (TouchPad enable/disable) now works under Windows XP

A04
1. Workaround to keep brightness under Windows XP.
2. Fixed some wording error in BIOS Setup.
3. Update Intel/ Nvidia VBIOS
4. Update Intel ME code
5. Implement DELL consumer IPCC Spec for Power/battery life saving
 

 

 

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Windows 10 :

Working fine, but when it goes to sleep mode, sometimes when you wake up, you can have a beautiful BSOD with the famous : PAGE_FAULT_IN_NONPAGED_AREA

i search a lot and found who causing this :

Go to the Bios. Got to "Advanced" > "ACPI Settings" and set the "Enable ACPI Auto Configuration" to ENABLED.

Voilà :O)

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  • DoZe changed the title to DeLL Vostro 3700 A12 Bios FuLL Unlock

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