Acer Aspire S3-391 Support Question
Acer Aspire S3-391 Support Question
Find answers below for this question about Acer Aspire S3-391.Need a Acer Aspire S3-391 manual? We have 1 online manual for this item!
Question posted by BLUETEAM220 on January 12th, 2015
C-moss/ Bios Lock
My Kid Went In And While Playing Around On My Computer Created A C-moss/ Bios Password That I Am Unable To Get Past. How Do I Fix This Problem Sothat I Can Use My Computer Again?
Current Answers
Answer #1: Posted by TheWiz on January 12th, 2015 7:53 AM
TheWiz
Member since:
October 13th, 2011 Points: 25,383,434
Member since:
October 13th, 2011 Points: 25,383,434
Instructions on how to remove the BIOS password can be found here. Keep in mind that this requires disassembling your laptop so I don't recommend attempting this unless you have some computer/electronics repair experience.
Related Acer Aspire S3-391 Manual Pages
Acer Aspire S3-391 Notebook Service Guide - Page 2
... may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in the software.
Disclaimer
The information in this Aspire S3 MS2346 Service Guide.
Revision History
Refer to the table below for the updates made to the contents hereof and specifically disclaims any warranties of merchantability...
Acer Aspire S3-391 Notebook Service Guide - Page 5
Aspire S3 MS2346
CHAPTER 1 Hardware Specifications
Features 1-3 Operating System 1-3 Platform 1-3 System Memory 1-3 Display 1-3 Graphics 1-3 Storage Subsystem 1-4 Audio Subsystem 1-4 Communication ...1-13 Keyboard 1-14 D2D Recovery 1-18 System Block Diagram 1-18
Specification Tables 1-19
CHAPTER 2 System Utilities
BIOS Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS Menus 2-4
v
Acer Aspire S3-391 Notebook Service Guide - Page 6
... Flash Utilities 2-12 DOS Flash Utility 2-13 WinFlash Utility 2-13
Remove HDD/BIOS Password Utilities 2-14 Removing the HDD Password 2-14 Removing the BIOS Passwords 2-15
Using DMI Tools 2-16 LAN EEPROM Utility 2-16
CHAPTER 3 Machine Maintenance
Machine Disassembly and Replacement 3-5 Recommended Equipment 3-5 Replacement Requirements 3-5 Pre-disassembly Instructions 3-6
Disassembly...
Acer Aspire S3-391 Notebook Service Guide - Page 7
... Speaker Failure 4-10 Microphone Failure 4-12 USB Failure 4-13 WLAN Failure 4-14 Card Reader Failure 4-15 Thermal Unit Failure 4-16 Other Functions Failure 4-17
Intermittent Problems 4-18
Undetermined Problems 4-18
Error Codes 4-19
BIOS Beep Codes 4-20
POST Codes 4-25 Component Codes 4-25 Progress Codes 4-29
vii
Acer Aspire S3-391 Notebook Service Guide - Page 8
CHAPTER 5 Jumper and Connector Locations
Mainboard Layout 5-3 Clearing Password Check and BIOS Recovery 5-5
Clearing the BIOS Passwords 5-5 Performing a BIOS Recovery 5-6
CHAPTER 6 FRU List
Aspire S3 MS2346 Exploded Diagrams 6-4 Main Assembly 6-4
FRU List 6-6
CHAPTER 7 Test Compatible Components
Microsoft Windows 7 Environment Test 7-3
CHAPTER 8 Online Support Information
Online Support ...
Acer Aspire S3-391 Notebook Service Guide - Page 11
...;Huron River platform Supports the Second Generation Intel® Core™ Mobile Processor (Sandy Bridge) Chipset: Mobile Intel® HM77 (6MB BIOS ROM) Chipset
System Memory 0 On board, up to 8pcs DDRIIIL (4GB)
Display 0 13.3-inch High Definition WXGA LED LCD ...
Acer Aspire S3-391 Notebook Service Guide - Page 12
...™ 802.11b/g/n Wi-Fi CERTIFIED™
Supports Acer SignalUp™ wireless technology
WPAN: Bluetooth® 4.0+HS
Privacy Control 0 BIOS supervisor, user, and HDD passwords Strap slot
1-4
Hardware Specifications and Configurations
Acer Aspire S3-391 Notebook Service Guide - Page 13
...hours for 0-99% capacity 3.5 to 4 hours for 0-100% (charge-in-use) ACPI 3.0-compliant power management system ENERGY STAR compliant
Keyboard and Pointing... device, supporting two-finger scroll, pinch, rotate, and flip
Touchpad lock hotkey
Adjustable touchpad sensitivity function
I/O Ports 0
2-in-1 card...
Acer Aspire S3-391 Notebook Service Guide - Page 22
Figure 1-8.
Keyboard 0 The keyboard contains an overlay numeric keys, inverted "T" cursor key, Windows® key, Application key, function lock keys, and hotkeys controlling various computer features. Keyboard Lock Keys
Lock Key Caps Lock Num Lock Fn+F11
Description
When On, all typed alphabetic characters appears in uppercase. Off by default. Internal keyboard overlay numeric keys are...
Acer Aspire S3-391 Notebook Service Guide - Page 23
.... It can be used with other keys to the desktop +F1: Show the Help window + E: Open Windows Explorer +F: Search for a file or folder + D: Display the desktop Ctrl+ +F: Search for the cursor movement by the numeric keys.
The state of the Num Lock is NOT required for...
Acer Aspire S3-391 Notebook Service Guide - Page 40
BIOS Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS Menus 2-4
BIOS Flash Utilities 2-12 DOS Flash Utility 2-13 WinFlash Utility 2-13
Remove HDD/BIOS Password Utilities 2-14 Removing the HDD Password 2-14 Removing the BIOS Passwords 2-15
Using DMI Tools 2-16 LAN EEPROM Utility 2-16
2-2
Acer Aspire S3-391 Notebook Service Guide - Page 45
... before system halts.
Enabled or Disabled
NOTE: NOTE:
When prompted to enable password requirement during system boot
Option Clear or Set Clear or Set Clear or Set - - - Security
0
Use this tab to its dealer. Figure 2-3. BIOS Security
Table 2-3. Resetting the BIOS password may require the user to return the computer to safeguard and protect the...
Acer Aspire S3-391 Notebook Service Guide - Page 46
...press Enter.
+ IMPORTANT:
Use care when typing a password. Passwords are not case sensitive and the length must not exceed eight alphanumeric characters (A-Z, a-z, 0-9).
3.
The Set _______ Password dialog box appears. The Set _______ Password dialog box appears. NOTE: NOTE:
Users can choose to save changes and exit from the BIOS Setup Utility. Removing a Password
0
Perform the following...
Acer Aspire S3-391 Notebook Service Guide - Page 51
... enter Setup Menu. 2. Insert the USB HDD and reboot computer. 4. Double click the WinFlash executable file. 2. DOS Flash Utility 0
Perform the following to use the DOS Flash Utility: 1. Click OK to update BIOS. System Utilities
0
2-13 Figure 2-10. Execute to begin the update. BIOS Boot 3. Select Boot Menu to modify boot priority order.
Acer Aspire S3-391 Notebook Service Guide - Page 52
...
NOTE: NOTE:
If the incorrect HDD password is generated. (Figure 2-11)
Password Error Status
HDD password error code
Figure 2-11. Reboot the computer. 6. Unlock Key Code
NOTE: NOTE:
XXXXXXXX = HDD Password Error Code
3.
Remove HDD/BIOS Password Utilities 0 This section explains how to generate a new password. Write down the generated master password. 5. Press Enter to remove the HDD...
Acer Aspire S3-391 Notebook Service Guide - Page 53
Removing the BIOS Passwords 0 To clear a lost BIOS password (user or supervisor password), you need to the "Clearing the BIOS Passwords" on the mainboard. G2201 Hardware Gap
System Utilities
2-15 Figure 2-14. Refer to short the clear password hardware gap (G2201) located on page 5-5 section for detailed instructions.
Acer Aspire S3-391 Notebook Service Guide - Page 153
...
A2h
Check key lock
A4h
Initialize Typematic rate
A8h
Erase F2 prompt
AAh
Scan for F2 key stroke
ACh
Enter SETUP
AEh
Clear Boot flag
B0h
Check for errors
B2h
POST done- prepare to boot operating system
B4h
1
One short beep before boot
B5h
Terminate QuietBoot (optional)
B6h
Check password (optional)
B9h...
Acer Aspire S3-391 Notebook Service Guide - Page 162
Mainboard Layout 5-3 Clearing Password Check and BIOS Recovery 5-5
Clearing the BIOS Passwords 5-5 Performing a BIOS Recovery 5-6
5-2
Acer Aspire S3-391 Notebook Service Guide - Page 165
... the "Replacing the Thermal Module" procedure described on page 3-73. 10. Clearing Password Check and BIOS Recovery 0
This section provides procedures for: Clearing the BIOS passwords Performing a BIOS recovery
Clearing the BIOS Passwords 0
To clear a lost BIOS password (user or supervisor password), you made and close the Setup Utility. G2201 Hardware Gap
1.
Acer Aspire S3-391 Notebook Service Guide - Page 171
... ORDERING FRU PARTS, check the most up-to dispose it .
Users MUST use the local FRU list provided by the regional Acer office on how to -date information available on the printed Service Guide.
Refer to repair or for the Aspire S3 MS2346. FRU (Field Replaceable Unit) List
This chapter provides users with...
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