Acer Aspire 7540 Service Guide

Chapter 5103
Main Board 
Aspire 7736/7736Z/7336 and 7540  Top View  
No.CodeConnector
1LCD1 LCD cable connector
2SPKR_L1 Left speaker cable connector
3MIC1 Microphone cable connector
4SPKR_R1 Right speaker cable connector
5USBCN1 USB cable connector
6CN1 Keyboard cable connector
7TP1CN1 Touchpad cable connector
8FPCN1 Fingerprint or button connector
9MDC1 Modem board connector
10BT1 Bluetooth cable connector
11RTC1 RTC battery socket
Connector Locations
Chapter 5 

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Aspire  7736/7736Z/7336 and 7540 Bottom View  
No.CodeConnector
1 BAT1 Battery connector
2 CPU1 CPU socket
3 FAN1 Heatsink fan cable connector
4 DCIN1 DC-in connector
5 RJ45 Ethernet port
6 CRT1 External display (VGA) port
7 HDMI1 HDMI port
8 USB1~3 USB 2.0 Ports
9 LIN1 Line-in jack
10 MICIN1 Microphone in jack
11 LOUT1 Headphones/speaker/line-out jack with S/PDIF support
12 CARD1 SD card slot
13 DM1 and 2 DIMM slots 1 and 2
14 ODD1  Optical disk drive connector  
15 SATA1 HDD connector  

Chapter 5105
Clearing Password Check and BIOS Recovery
This section provides the standard operating procedures for clearing the password and BIOS recovery for 
Aspire 7736/7736Z/7336 and Aspire 7540 Series. There is one Hardware Open Gap on the main board for 
clearing the password check and one Hotkey for enabling BIOS Recovery.
Clearing Password Check
Hardware Open Gap Description
HW Gap position on the main board:
Gap name in 7736/7736Z/7336 Series is G78.  
Hardware Default Setting Operation...

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.   Gap name in Aspire 7540 Series is G106.  
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 the password during system POST or when the system enters into the BIOS Setup menu.  If 
it is necessary to bypass the password check, the user needs to short the hardware gap to clear the password 
by following these steps:
• Power off the system, and remove the HDD, AC adapter and...

Chapter 5107
BIOS Recovery by Crisis Disk
BIOS Recovery Boot Block:
BIOS Recovery Boot Block is a special block of the BIOS. It is used to boot up the system with minimum BIOS 
initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous 
BIOS flashing process failed.
BIOS Recovery Hotkey
The system provides a function hotkey: Fn+Esc, for enabling the BIOS Recovery process at system power-on 
during BIOS POST. To use this function, the AC adapter and...

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3.Decompress the Crisis Package Source.  Select WINCRIS.EXE  and then select Run as administrator 
under Vista.   
4.Keep the default settings and then click on the Start button.
5.When the pop-up warning dialog box appears, press OK to continue creating the Crisis Disk.    

Chapter 5109
6.The Crisis Disk will be created after a few seconds. 
7.Press No if you do not want to create another Crisis Disk.  

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8.Reconnect the USB removable storage device and check if it contains the 3 files shown in the following 
figure.  

Chapter 6111
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 7736/7736Z/
7336 and Aspire 7540 Series. Refer to this chapter whenever ordering for parts to repair or for RMA (Return 
Merchandise Authorization).
Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date information available 
on your regional web or channel. For whatever reasons a part number change is made, it will not be noted on 
the printed Service Guide. For ACER...

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Aspire 7736/7736Z/7336 Series and Aspire 7540 Series 
Exploded Diagram