eMachines D520 Support Question
eMachines D520 Support Question
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Question posted by jxj397 on July 27th, 2011
D520 Would Not Accept My Password So That I Can Log On? Any Solutions
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Related eMachines D520 Manual Pages
eMachines D720/D520 Series Quick Guide - Page 2
... otherwise, without obligation to notify any person of Acer Incorporated. Acer Incorporated. eMachines D720/D520 Series Quick Guide Original Issue: 08/2008
Changes may be reproduced, stored in a retrieval...publication without the prior written permission of such revisions or changes. eMachines D720/D520 Series Notebook PC
Model number Serial number Date of purchase Place of purchase
...
eMachines D720/D520 Series Quick Guide - Page 7
External display (VGA) port
Connects to audio line-out devices (e.g.,
speaker/line-out jack speakers, headphones).
Line-in jack
Accepts audio line-in devices (e.g., audio CD player, stereo walkman, mp3 player)
Microphone-in jack Accepts input from external microphones.
Headphones/
Connects to a display device (e.g., external monitor, LCD projector).
USB 2.0 port
Connect to an...
eMachines D720/D520 Series Quick Guide - Page 8
... is active.
Insert the lock into the notch and turn the key to a Kensington-compatible computer security lock. Ejects the optical disk from the drive. accepts CDs or DVDs Lights up when the optical drive is turned off .
Note: Wrap the computer security lock cable around an immovable object such as...
eMachines D720/D520 Series Quick Guide - Page 10
...: Fast Ethernet; Wake-on-LAN ready
340.4 (W) x 247 (D) x 22.9/42.3 (H) mm (13.4 x 9.7 x 0.9/1.6 inches) 2.40 kg (5.29 lbs.) with 6-cell battery pack
BIOS user, supervisor, HDD passwords Kensington lock slot
ACPI 3.0 48.8 W 4400 mAh 3-pin 65 W AC adapter ENERGY STAR® 4.0*
88-/89-key keyboard Touchpad pointing device
eMachines D720/D520 Series Service Guide - Page 1
eMachines D720/D520 Series Service Guide
Service guide files and updates are available on the ACER/CSD web; for more information,
please refer to http://csd.acer.com.tw
PRINTED IN TAIWAN
eMachines D720/D520 Series Service Guide - Page 2
Revision History
Please refer to the table below for the updates made on eMachines D720/D520 Series service guide. Date
Chapter
Updates
II
eMachines D720/D520 Series Service Guide - Page 7
... 23 Advanced 24 Security 26 Power 29 Boot 31 Exit 32
BIOS Flash Utilities 33 DOS Flash Utility 34 WinFlash Utility 36
Remove HDD/BIOS Password Utilities 37 40
Machine Disassembly and Replacement
41
Disassembly Requirements 41 General Information 42
Pre-disassembly Instructions 42 Disassembly Process 42 External Module Disassembly Process...
eMachines D720/D520 Series Service Guide - Page 9
... point used in 80_PORT 128
Jumper and Connector Locations
129
Top View 129 Bottom View 130 Clearing Password Check and BIOS Recovery 131
Clearing Password Check 131 BIOS Recovery by Crisis Disk 132
FRU (Field Replaceable Unit) List
133
eMachines D720/D520 Exploded Diagrams 134 Main Assembly 134 LCD Panel 135 eMachines D720...
eMachines D720/D520 Series Service Guide - Page 12
Communication
• Integrated webcam* • WLAN: IEEE 802.11b/g • LAN: Fast Ethernet; Wake-on-LAN ready
Privacy control
• BIOS user, supervisor, HDD passwords • Kensington lock slot
Power subsystem
• ACPI 3.0 • 48.8 W 4400 mAh • 3-pin 65 W AC adapter • ENERGY STAR® 4.0*
Special keys and controls
&#...
eMachines D720/D520 Series Service Guide - Page 16
Connects to audio line-out devices (e.g.
Accepts audio line-in jack Headphones/ speaker/line-out jack
Description Connects to USB 2.0 devices (e.g. USB mouse... USB 2.0 ports
Line-in jack
Microphone-in devices (e.g., audio CD player, stereo walkman, mp3 player). Accepts input from external microphones. external monitor, LCD projector). Connect to an Ethernet 10/100-based network.
eMachines D720/D520 Series Service Guide - Page 17
Some keyless models are also available. Optical drive
Internal optical drive; accepts CDs or DVDs.
Optical disk access Lights up when the optical drive is turned off . Note: Wrap the computer security lock cable around an immovable ...
eMachines D720/D520 Series Service Guide - Page 21
... off
Hold while using cursorcontrol keys.
Chapter 1
11 Lock key Caps Lock Num Lock +
Scroll Lock +
Description
When Caps Lock is in a normal manner. A better solution would be to do a lot of the keycaps. It is on the keys. Hold while using cursorcontrol keys.
Num Lock off .
When Num Lock is...
eMachines D720/D520 Series Service Guide - Page 26
OFF=78°C
•
BIOS
OS shut down at 90°C; Integrated VGA solution for CANTIGA GL40 REALTEK ALC268 for Giga LAN
Micro uPGA-478
CPU Fan True Value ...supported) ICH9-M ENE KB926 for BIOS serial number configurable/asset tag • Support PXE • Support Y2K solution • Support Win Flash Wake on LAN from S3 • Wake on LAN form S4 in AC mode • System...
eMachines D720/D520 Series Service Guide - Page 35
Express Card
PCI Express Root Port 1 to 6 configuration menus. Enter the PCI Port 1 to 6
Disable or Enable the Express Card solution for windows Standby and Hibernation. ACPI Table/
Enter the ACPI Table/Features Control
Features Control menu.
Submenu Items
• USB Driver Select • EHCI 1 and 2 &#...
eMachines D720/D520 Series Service Guide - Page 36
...Security Power
Supervisor Password Is: User Password Is: HDD Password Is:
Clear Clear Clear
Set Supervisor Password Set User Password Set Hdd Password Power on Boot
Description
Shows the setting of the Supervisor password
Shows the ...not either enter the Setup menu nor change the value of the hard disk password.
Option Clear or Set Clear or Set Clear or Set
Disabled or Enabled
NOTE...
eMachines D720/D520 Series Service Guide - Page 141
....
• Restart system. NOTE: The steps are only for enabling BIOS Recovery. eMachines D720/D520 provide one Hardware Open Gap on main board for clearing password check, and one Hotkey for clearing BIOS Password (Supervisor Password and User Password).
Clearing Password Check and BIOS Recovery
This section provide you the standard operating procedures of the HW...
eMachines D720/D520 Series Service Guide - Page 143
... (Field Replaceable Unit) listing in the FRU list of this chapter whenever ordering for parts to repair or for repair and service of eMachines D720/D520. Chapter 6
133 For whatever reasons a part number change is made, it will not be noted on how to
dispose it . Refer to order FRU parts...
eMachines D720/D520 Series Service Guide - Page 144
Description
1
Mini Door
2
HDD Door
3
Ram Door
4
Lower Case
5
Middle Cover
6
Keyboard
Acer P/N
No. 7 8 9 10 11
Description Power Board Upper Case Mainboard CPU Fan Heatsink
Acer P/N
134
Chapter 6
eMachines D720/D520 Exploded Diagrams
Main Assembly
5
1
6
7 2
8
3
9
10
11 4
No.
eMachines D720/D520 Series Service Guide - Page 150
... HYMP112S64CP6-Y5 RAM 2GB DDRII 667 HYNIX HYMP125S64CP8-Y5 RAM 2GB DDRII 667 SAMSUNG M470T5663QZ3-CE6
FAN
CPU THERMAL MODULE
MIC SET SPEAKER R&L
NAME PLATE-D520 NAME PLATE-D720 RUBBER FOOT-L RUBBER FOOT-S RUBBER FOOT-HDD DOOR
SCREW,M2.5X8(NL) SCREW,M2.5X5(NL) SCREW,M2X3(NL) SCREW,M2.5X4...
eMachines D720/D520 Series Service Guide - Page 163
Refer to the eMachines D720/D520 Series Compatibility Test Report released by Acer's internal testing department. Test Compatible Components
Appendix B
This computer's compatibility is tested and verified by the Acer Mobile ...
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