Acer Aspire 4750Z Support Question
Acer Aspire 4750Z Support Question
Find answers below for this question about Acer Aspire 4750Z.Need a Acer Aspire 4750Z manual? We have 1 online manual for this item!
Question posted by farianton on August 20th, 2014
How To Reset Bios Password On Acer 4750z
The person who posted this question about this Acer product did not include a detailed explanation. Please use the "Request More Information" button to the right if more details would help you to answer this question.
Current Answers
Related Acer Aspire 4750Z Manual Pages
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 1
for more information,
please refer to http://csd.acer.com.tw
PRINTED IN TAIWAN Aspire 4750 and 4750G Series Service Guide
Service guide files and updates are available on the ACER/CSD web;
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 3
... programs prove defective following their respective holders. Other brand and product names are trademarks and/or registered trademarks of their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 7
... Diagram 4 Your Acer Notebook tour 5
Top view 5 Hotkeys 6 Closed front view 7 Rear view 7 Left view 7 Right view 9 Base view 9 Hardware Specifications and Configurations 11 BIOS Setup Utility 19
System Utilities 19
Navigating the BIOS Utility 20 Information 21 Main 22 Security 24 Boot 28 Exit 29 BIOS Flash Utility 30 Remove HDD Password 31 Disassembly...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 8
... Codes 85 Index of Symptom-to-FRU Error Message 89 Intermittent Problems 92 Undetermined Problems 92 Main Board 93
Connector Locations 93
Clearing Password Check and BIOS Recovery 96 Clearing Password Check 96 BIOS Recovery by Crisis Disk 97
FRU (Field Replaceable Unit) List 99
Exploded Diagram 100 113
Model Definition and Configuration 113...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 10
...; HDMI™ port with HDCP support • External display (VGA) port • Headphones/speaker/line-out jack with two built-in microphones
Communication
• Integrated Acer Crystal Eye webcam* • WLAN: IEEE 802.11b/g/n • LAN: Gigabit Ethernet; Storage subsystem
• 2.5" hard disk drive • Optical drive options:
• Blu-ray...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 19
... 33 38 40 40
Throttling 50%: On= 99 ° C; H/W shot down at 110 ° .C BIOS
Item BIOS vendor BIOS Version Supported protocol
Specification
Phoenix
1.0
ACPI 1.0b/2.0/3.0 compliance, PCI 2.2, System/HDD Password Security Control, INT 13H Extenstions, PnP BIOS 1.0a SMBIOS 2.4, BIOS Boot Specification, Simple Boot Flag 1.0, Boot Block, PCI Bus Power Management Interface Specification, USB...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 27
....XX XXXXXXXXXXXXXXXXXXXXXXX Base Board Asset Tag Aspire 4750 Acer XXXxXxXX-xXxX-XXxx-xXXx-xXXxXXxXxxXX
F1 Help Esc Exit
Select Item -/+ Change Values
F9 Setup Defaults
Select Menu Enter Select Sub-Menu F10 Save and Exit
Chapter 2
19 If you want to change boot device without entering BIOS Setup Utility, please set to "disabled...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 29
...: ATAPI Model Name: System BIOS Version: VGA BIOS Version: KBC Version: Serial Number...: Asset Tag Number: Product Name: Manufacturer Name: UUID:
Intel (R) Core (TM) i7-2720QM CPU @ 2.20 GHz 2.20GHz XXXXXXXXXXX-(XX) XXXXXXXX XXXXXXXXXXX-XXX XX-XXXX-(XX) VX.XX XX-XXX XXXXXX.XXX.XXX.XXX.XXXXXX XX.XX XXXXXXXXXXXXXXXXXXXXXXX Base Board Asset Tag Aspire 4750 Acer...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 32
... Values
F9 Setup Defaults
Select Menu Enter Select Sub-Menu F10 Save and Exit
NOTE: Please refer to "Remove HDD/BIOS Password" section if you need to know how to remove HDD/BIOS Password.
24
Chapter 2 Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized use.
Information
Phoenix...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 33
... or not while the events defined in this password protects the BIOS Setup Utility from unauthorized access. Defines whether a password is set the user or the supervisor password: 1. Enter HDD Password. Use the up/down keys to "Set".
4.
Removing a Password
Follow these steps as you have right to reset it. The user can enter Setup menu only...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 34
..., the screen will show you can enable the Password on boot parameter. 6. Type a password in the Enter Current Password field and press Enter. 3. Type the current password in the Enter Current Password field and press Enter. 3. Use the up /down keys to save the changes and exit the BIOS Setup Utility. When you have changed the...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 88
...acting pointer movement can also help you use a discharged battery pack or a battery pack that the BIOS displays on page 92. NOTE: Most of memory installed. Remove the battery pack and measure the... stops in a short period of the total power remaining when installed in the BIOS Setup Utility menus, reset the computer, enter Setup and install Setup defaults or correct the error.
80
...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 89
Incorrect password is specified. Thermal critical High In this situation BIOS will issue 4 short beeps then shut down system, not show . CPU BIOS Update Code Mismatch 2. Battery critical LOW In this situation BIOS will be shown before "Equipment Configuration Error")
Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh)
Real Time Clock Error
CMOS Battery Bad...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 93
...Initialize PCI Bus Mastering devices Initialize keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset Programmable Interrupt Controller Test DRAM refresh Test 8742... on data bits xxxx of low byte of memory bus Enable cache before system BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test ...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 95
...to boot operating system One short beep before boot Terminate QuietBoot (optional) Check password (optional)
87 prepare to UserPatch2 Build MPTABLE for multi-processor boards Install CD... I/O ports Configure Motherboard Configurable Devices (optional) Initialize BIOS Area Enable Non-Maskable Interrupts (NMIs) Initialize Extended BIOS Data Area Test and initialize PS/2 mouse Initialize floppy...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 104
... is finished.
NOTE: The steps are only for Aspire 4750/4750G Series.
Clearing Password Check and BIOS Recovery
This section provides the standard operating procedures for clearing the password and BIOS recovery for clearing the BIOS password (Supervisor Password and User Password).
96
Chapter 5
Clearing Password Check
Hardware Open Gap Description
Hardware Gap
Default...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 107
... the FRU (Field Replaceable Unit) listing in the FRU list of Aspire 4750/4750G Series. For ACER AUTHORIZED SERVICE PROVIDERS, your regional Acer office to repair or for repair and service of customer machines. NOTE...or regulations on how to
dispose it properly, or follow the rules set by your Acer office may have a DIFFERENT part number code from those given in global configurations of ...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 147
...or comments, please do not hesitate to communicate these to your local Acer branch office. and password. We are always looking for ways to optimize and improve our services...8226; Bios updates • Software utilities • Spare parts lists • TABs (Technical Announcement Bulletin) For these purposes, we offer, accompanied by a list of our technical material. Appendix C
139 Acer's ...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 149
... cover
removing 38
battery pack
removing 36 BIOS 11
vendor 11 Version 11 BIOS Recovery 96 BIOS Recovery Boot Block 97 BIOS Recovery by Crisis Disk 97 steps 97 BIOS Recovery Hotkey 97 BIOS Utility 19-30 Navigating 20 System Security 29
brightness
hotkeys 6
C
Clearing BIOS Password
steps 96 Clearing Password 96
CPU
removing 60 CPU Fan True Value...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 150
...29 Information 21 Security 24 Model Definition 113
N
notebook tour 5
O
Online Support Information 139
P
password
changing 26 removing 25 setting 25 Power Adapter Check 79 Power System Check 79 Battery Pack 80 ...removing 47 Touchpad Check 80 Troubleshooting 77
U
Undetermined Problems 92
utility
BIOS 19-30
V
142
view
bottom 9 front 7 left 7 rear 7 right 9 view front 5
W
Windows 2000 Environment Test ...
Similar Questions
How To Remove Bios Password On Acer Aspire 4750z Notebook Bios Chip
(Posted by chocchamic 9 years ago)
Reset Bios Password Acer Aspire 4738z System Will Halt
(Posted by mastmix 10 years ago)