Acer Aspire 5742 Support Question
Acer Aspire 5742 Support Question
Find answers below for this question about Acer Aspire 5742.Need a Acer Aspire 5742 manual? We have 2 online manuals for this item!
Current Answers
Answer #1: Posted by SonuKumar on May 15th, 2023 10:07 AM
SonuKumar
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https://www.bing.com/videos/search?q=Acer+Aspire+5742+Bios+Password+reset&view=detail&mid=810C823E7AC597AB54A4810C823E7AC597AB54A4&FORM=VIRE
To reset the BIOS password on an Acer Aspire 5742, you can try the following steps:
Turn off the laptop and disconnect the power cable.
Remove the battery from the back of the laptop.
Locate the small coin cell battery on the motherboard. It is usually a round silver battery.
Carefully remove the coin cell battery from its socket. You may need a small flat-head screwdriver or a similar tool to gently pry it out.
Leave the coin cell battery out of the socket for about 5-10 minutes to ensure that the CMOS memory is completely cleared.
While the coin cell battery is removed, press and hold the power button for about 15-20 seconds to discharge any residual power.
After the waiting period, reinsert the coin cell battery back into its socket, making sure it is properly seated.
Reattach the laptop's battery and connect the power cable.
Turn on the laptop and enter the BIOS setup by pressing the appropriate key (usually Del, F2, or F10) during the boot process.
When you enter the BIOS setup, the password prompt should no longer appear, as the BIOS password has been reset.
In the BIOS setup, you can set a new password if desired or leave it blank for no password.
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
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Related Acer Aspire 5742 Manual Pages
Quick Start Guide - Page 4
All Rights Reserved. Aspire Notebook Series Quick Guide Original Issue: 07/2010
Model number Serial number Date of purchase Place of purchase © 2010.
Quick Start Guide - Page 5
...Start > All Programs > AcerSystem.
2 Click on the screen to complete the installation. The Aspire Generic User Guide contains useful information applying to be more on such subjects as "only for ... User Guide will occasionally refer to functions or features which are marked in the Aspire product series. Follow these steps to access it contains warranty information and the general...
Quick Start Guide - Page 135
Aspire Notebook sorozat
Rövid útmutató
Quick Start Guide - Page 205
Aspire seeria sülearvutid
Lühijuhend
Quick Start Guide - Page 267
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AcerSystem PDF (Portable Document Format
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Start All Programs AcerSystem
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Adobe Reader Adobe Reader AcerSystem Adobe Reader Adobe Reader Help and Support
Service Guide - Page 1
for more information,
please refer to http://csd.acer.com.tw
PRINTED IN TAIWAN Aspire 5742/5742G/5742Z/5742ZG Series Service Guide
Service guide files and updates are available on the ACER/CSD web;
Service Guide - Page 2
Revision History
Please refer to the table below for the updates made on Aspire 5741/5741G service guides. Date
Chapter
Updates
II
Service Guide - Page 7
... 18 Hardware Specifications and Configurations 19
System Utilities
31
BIOS Setup Utility 31 Navigating the BIOS Utility 31
Aspire 5742/5742G/5742Z/5742ZG BIOS 32 Information 32 Main 33 Security 34 Boot 37 Exit 38
BIOS Flash Utilities 39 DOS Flash Utility 40 WinFlash Utility 41
Remove HDD/BIOS Password Utilities 42
Machine Disassembly and Replacement
47
Disassembly...
Service Guide - Page 9
... of BIOS Settings 162...Password Check and BIOS Recovery 195 Clearing Password Check 195 Clear CMOS Jumper 195 BIOS Recovery by Crisis Disk 197
FRU (Field Replaceable Unit) List
199
Aspire Exploded Diagrams 200 Main Assembly 200 Lower Cover 202 LCD Assembly 203 LED Assembly 204
Aspire FRU List 205 Screw List 229
Model Definition and Configuration
231
Aspire 5742/5742G 231 Aspire...
Service Guide - Page 11
...; Genuine Windows® 7 Home Premium 64-bit2 • Genuine Windows® 7 Home Basic 64-bit2
CPU and chipset
• Mobile Intel® HM55 Express Chipset
5742, 5742G
• Intel® Core™ i5-450M/i5-460M/i5-540M/i5-560M/i5-580M processor (3 MB L3 cache, 2.40/2.53/ 2.53/2.67/2.67...
Service Guide - Page 12
...; MPEG-2/DVD decoding • WMV9 (VC-1) and H.264 (AVC) decoding • HDMI™ (High-Definition Multimedia Interface) with HDCP (High-bandwidth Digital Content Protection) support 5742, 5742Z • Intel® HD Graphics with 128 MB of dedicated system memory, supporting Microsoft® DirectX® 10 5742G, 5742ZG • NVIDIA® GeForce...
Service Guide - Page 13
... Wake-on-LAN ready
Privacy control
• BIOS user, supervisor, HDD passwords • Kensington lock slot
Power adapter and ...battery
• ACPI 3.0 CPU power management standard: supports Stand-by and Hibernation power-saving modes
Battery • 48.8 W 4400 mAh 6-cell Li-ion standard battery pack • ENERGY STAR® • 5742...
Service Guide - Page 42
.... This field displays the serial number of the Distributed Computing Environment (DCE).
32
Chapter 2 Universally Unique Identifier (UUID) is for your reference only. Aspire 5742/5742G/5742Z/5742ZG BIOS
Information
The Information screen displays a summary of the system. The table below describes the parameters in software construction, standardized by the Open Software Foundation...
Service Guide - Page 44
... must be grayed out if the user password was used to your password.
Press Enter to set , this password protects the BIOS Setup Utility from unauthorized use. InsydeH20 Setup Utility Information Main Security Boot Exit
Supervisor Password Is : User Password Is : HDD Password Is :
Set Supervisor Password Set User Password Set HDD Password
Clear Clear Clear
Rev. 3.5
Item Specific Help...
Service Guide - Page 45
... the Enter key. After setting the password, the computer sets the User Password parameter to save the changes and exit the BIOS Setup Utility. Chapter 2
35 The
Set Supervisor Password box appears:
Set Supervisor Password
Enter New Password [
]
Confirm New Password [
]
2. Retype the password in the Enter New Password and Confirm New Password fields. When you are done, press...
Service Guide - Page 46
... save the changes and exit the BIOS Setup Utility. Setup Notice
Changes have been saved.
[Continue]
The password setting is OK, the screen will display as following message.
Type the current password in the Enter New Password field. When you are done, press F10 to "Set". 5. Setup Warning
Passwords do not match, the screen will...
Service Guide - Page 52
... code in DOS Mode using the format UnlockHD [Encode code] with details about removing HDD/BIOS password: Remove HDD Password: If you key in the previous step, as shown.
42
Chapter 2 Note down this key.
3. The command generates a password which can be used for unlocking utilities. After the error is generated for unlocking the...
Service Guide - Page 53
... whether the function is successful or not. From a DOS prompt, execute clnpwd.exe 2. Press 1 or 2 to short the RTC_RST point. Cleaning BIOS Passwords To clean the User or Supervisor passwords, perform the following steps: 1.
Removing BIOS Passwords:
To clear the User or Supervisor passwords, open the DIMM door and use a metal instrument to clean the desired...
Service Guide - Page 205
...UMA
Item R127/R130
Description Clear CMOS Jumper
Chapter 1
195 Clearing Password Check
Steps for Clearing BIOS Password Check
If users set BIOS Password (Supervisor Password and/or User Password) for enabling BIOS Recovery. NOTE: These steps are only for the Aspire 5741/5741G. Clearing Password Check and BIOS Recovery
This section provides you with the standard operating procedures of the...
Service Guide - Page 289
...offer, accompanied by a list of telephone, fax and email
contacts for all models • Bios updates • Software utilities • Spare parts lists • TABs (Technical Announcement Bulletin...i.d. We are : • Detailed information on all of our technical material. and password. Acer's Website offers you convenient and valuable support resources whenever you have included an ...
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