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Popular Acer Aspire 4750Z Manual Pages
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 8
...-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
Aspire 4750/4750G Series 114
Test Compatible Components 135
Hardware Device Tests...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 20
...Module
Item LAN Chipset Supports LAN protocol LAN connector type LAN connector location Features
Specification Broadcom BCM 57785 10/100/1000 Mbps RJ45 Left side Integrated 10/100 BASE-T transceiver Wake on LAN support compliant with various capacities to form other combinations.
Memory Combinations
0MB 0MB 1024MB 1024MB 1024MB 2048MB 2048MB 2048MB
Slot 1
1024MB 2048MB 0MB 1024MB 2048MB...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 24
...Keyboard Item
Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously
Battery Item
Vendor Battery Type Pack capacity Number of battery cell Package configuration
LCD 14" inch Item
Vendor & model name Screen...29mm*29mm GB1-128 package 1 GB DDR3
Specification NPCE781B 86-key keyboard Yes Plug USB keyboard to +60
Chapter 1 Vertical Stripe Normally...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 25
...)
Specification DELTA, LITEON, HIPRO 100-240V~ 1.5A, 50-60Hz/ 19V, 65W/90W, 2-pin
Power Management All devices in this state. CPU set power down VGA Suspend PCMCIA Suspend Audio Power Down Hard Disk Power Down CD-ROM Power Down Super I/O Low Power mode Also called Hibernation Mode. Off (G3) Soft Off (G2/S5) Working (G0/S0) Suspend to RAM (S3)
Save to power...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 33
... changes and exit the BIOS Setup Utility. After setting the password, the computer sets the User Password parameter to set , this password protects the BIOS Setup Utility from unauthorized access. Settings in this screen. Parameter Supervisor Password Is User Password Is HDD Password Is Set Supervisor Password
Set User Password
Set HDD Password Password on the screen.
3.
Press Enter to...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 37
...
Item Specific Help
Exit System Setup and save your changes to CMOS.
Chapter 2
29 Exit utility without saving setup data to CMOS.
F1 Help Esc Exit
Select Item -/+ Change Values
F9 Setup Defaults
Select Menu Enter Select Sub-Menu F10 Save and Exit
The table below describes the parameters in the BIOS Setup Utility.
Exit
The Exit screen contains...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 38
NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Flash utility. Make sure the AC adapter is required for
BIOS Recovery by Crisis Disk" on the system from the USB device and perform crisis recovery action.
30
Chapter 2 Rename the BIOS file as "XXXXXXX.FD" 2. Insert the USB device containing the renamed BIOS file and Crisis...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 39
... you how to remove HDD password: Remove HDD Password:
• If you can run unlock6. 1. is the HDD password error code.
2. Key in one of master password will appear on the screen.
• If you need to solve HDD password locked problem, you key in "unlock6 XXXXXX 0". Chapter 2
31 Key in the wrong HDD password thrice, "HDD password error code" will be diplayed.
3.
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 88
...to correct the problem. No service actions are correct. 3. Do not replace a non-defective FRU. To check the battery charge operation, use the touchpad, the pointer drifts on recharging or discharging.
This self-acting pointer movement can also help you make changes 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 90
... Failed Keyboard locked - Replace and run SETUP System cache error - run Setup System CMOS checksum bad - Cache disabled CPU ID: DMA Test Failed
Software NMI Failed
FRU/Action in BIOS Setup Utility. see "Keyboard or Auxiliary Input Device Check" on page 78. RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. System board Run "Load Default Settings" in...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 96
... error display function Initialize system error handler PnPnd dual CMOS (optional) Initialize notebook docking (optional) Initialize notebook docking late Force check (optional) Extended checksum (optional) Unknown interrupt Initialize the chipset Initialize the bridge Initialize the CPU Initialize the system timer Initialize system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 98
... page 17. Hold and press the power switch for more than 4 seconds.
Power-Related Symptoms Symptom / Error
The system doesn't power-off.
Battery can't be charged
Action in Sequence
Power source (battery pack and power adapter). Enter BIOS Setup Utility to Disk (S4)" on page 17.
Internal speakers make noise or emit no sound comes from the keyboard)
Hard disk drive
System board...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 100
...identify which adapter or device failed, which installed devices are found, replace the FRU. 3. Power-off the computer. 2. Remove or disconnect all attached devices are no error is operating correctly. (See "Power
System Check" on page 79.): 1.
When analyzing an intermittent problem, do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. Run...
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 101
...
USB board cable connector
5
SW_R1
Touchpad button
6
SW_L1
Touchpad button
7
PWR_LED1 Power indicator
Item 8 9 10
11
12
13
14
Code CARD1 RTC1 CHARGER_ LED1 MEDIA_ LED1 COM_ LED1 PWRCN1
LCD1
Component Memory card reader Battery Battery charge indicator
Hard drive activity indicator
Bluetooth/Wireless network indicator Power button board cable connector LCD cable connector
Chapter 5
93
Acer Aspire 4350, 4750, 4750G, 4750Z Service Guide - Page 104
...the main board for clearing the password check and one Hotkey for clearing the BIOS password (Supervisor Password and User Password).
96
Chapter 5 G2201
Steps for Clearing BIOS Password Check
If the user sets the BIOS Password (Supervisor Password and/or User Password) for a security reason, the BIOS will ask for Aspire 4750/4750G Series. Clearing Password Check
Hardware Open Gap Description...
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