Jumper and Connector Locations
5-5
Clearing Password Check and BIOS Recovery
0
This section provides procedures for:
Clearing Password Check
BIOS Recovery
This Machine has one Hardware open gap on the mainboard for clearing password check and
one Hotkey for enabling BIOS Recovery.
Clearing Password Check
0
To clear a lost BIOS password (
User
or
Supervisor password
), you need to short the clear
password hardware gap (G2) located on the mainboard.
Figure 5-3.
G2 Hardware Gap
To clear the BIOS password check, perform the following:
1.
Turn off the computer and unplug all the peripherals connected to it.
2.
Complete the steps in
Removing the Battery Pack
.
3.
Complete the steps in
Removing the Base Door
.
4.
Complete the steps in
Removing the Keyboard
.
5.
Complete the steps in
Removing the Palmrest Module/Upper Cover
.
6.
Locate the G2 hardware gap.
7.
Use an electrical conductivity tool to short the two contacts on the hardware open gap
together.
8.
While resting the tool on the two contacts, plug one end of the AC adapter into the DC
power jack and plug one end to an electrical outlet.
Содержание Aspire 4743Z
Страница 1: ...Aspire 4743 4743G 4743Z 4743ZG SERVICEGUIDE...
Страница 10: ...10...
Страница 11: ...CHAPTER 1 Hardware Specifications...
Страница 14: ...1 4...
Страница 32: ...1 22 Hardware Specifications and Configurations System Block Diagram Figure 1 10 System Block Diagram...
Страница 50: ...1 40 Hardware Specifications and Configurations...
Страница 51: ...CHAPTER 2 System Utilities...
Страница 70: ...2 20 System Utilities...
Страница 71: ...CHAPTER 3 Machine Maintenance...
Страница 74: ...3 4...
Страница 82: ...3 12 Machine Maintenance 4 Lift the base door to remove Figure 3 9 Base Door...
Страница 85: ...Machine Maintenance 3 15 6 Detach the bracket from the HDD Figure 3 14 HDD Bracket...
Страница 87: ...Machine Maintenance 3 17 4 Pull the WLAN module out of the slot Figure 3 17 WLAN Module...
Страница 95: ...Machine Maintenance 3 25 8 Open the connector latch then detach cable to remove keyboard Figure 3 30 Keyboard...
Страница 100: ...3 30 Machine Maintenance 6 Lift the speakers from the upper cover Figure 3 40 Speaker Cable...
Страница 106: ...3 36 Machine Maintenance 4 Lift the USB board from the lower cover Figure 3 50 USB Board...
Страница 113: ...Machine Maintenance 3 43 4 Remove the thermal module from the mainboard Figure 3 62 Thermal Module Screws...
Страница 136: ...3 66 Machine Maintenance 3 Secure the bezel with the two 2 screw covers Figure 3 102 LCD Bezel Screw Covers...
Страница 151: ...Machine Maintenance 3 81 3 Connect and lock the touchpad cable to the touchpad board Figure 3 128 Touchpad Cable...
Страница 156: ...3 86 Machine Maintenance 5 Connect the speaker cable to the power button board Figure 3 137 Speaker Cable...
Страница 172: ...3 102 Machine Maintenance Remove the Dummy Card 0 1 Insert the dummy card into the slot until it clicks into place...
Страница 174: ...3 104 Machine Maintenance...
Страница 175: ...CHAPTER 4 Troubleshooting...
Страница 207: ...CHAPTER 5 Jumper and Connector Locations...
Страница 208: ...2 2 Clearing Password Check and BIOS Recovery 5 5 Clearing Password Check 5 5 Performing a BIOS recovery 5 6...
Страница 215: ...CHAPTER 6 FRU List...
Страница 216: ...6 2 Aspire 4743 4743G 4743Z 4743ZG Exploded Diagrams 6 4 Main Assembly 6 4 LCD Assembly 6 5...
Страница 234: ...6 20 FRU List...
Страница 235: ...CHAPTER 7 Model Definition and Configuration...
Страница 236: ...7 2 Aspire 4743 4743G 4743Z 4743ZG 7 3...
Страница 270: ...7 36 Model Definition and Configuration...
Страница 338: ...7 104 Model Definition and Configuration...
Страница 339: ...CHAPTER 8 Test Compatible Components...
Страница 340: ...8 2 Microsoft Windows 7 Environment Test 8 4...
Страница 351: ...CHAPTER 9 Online Support Information...
Страница 352: ...9 2 Introduction 9 3...
Страница 354: ...9 4 Online Support Information...