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eMachines EL1852 Service Guide - Page 2
Revision History
Refer to the table below for changes made on this version of the EL1852 Desktop Computer Service Guide. Date Chapter Updates
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EL1852 Service Guide
eMachines EL1852 Service Guide - Page 3
... and specifically disclaims any warranties of merchantability or fitness for any particular purpose. Any Acer Incorporated software described in this guide is sold or licensed "as is". Should the programs prove defective following ..., and any incidental or consequential damages resulting from any defect in the software.
Acer is a registered trademark of Acer Incorporated.
eMachines EL1852 Service Guide - Page 4
Conventions
The following textual conventions are used in this service guide. SCREEN MESSAGES NOTE WARNING CAUTION IMPORTANT Denotes actual messages that appear on screen. ... from doing or not doing specific actions. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures.
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EL1852 Service Guide
eMachines EL1852 Service Guide - Page 7
...26 Removing the Processor ...27 Removing the HDD-ODD Bracket ...28 Removing the Expansion Boards ...33 Removing the Memory Modules ...35 Removing the Power Supply Unit ...35 Removing the Front I/O and CardReader Assembly ...37 Removing the Mainboard ...40 Hardware ...42 POST Error Indicators ...46 BIOS Recovery ...58 BIOS Update ...59 Clearning CMOS ...63
System Architecture ...65
Block...
eMachines EL1852 Service Guide - Page 9
... supported by each hardware component.
System Features
Component
Operating system support
Description
Microsoft Windows 7 Home Premium ×64 Microsoft Windows 7 Home Basic ×32 Microsoft ... x16 slot One PCI Express x1 slot Wired LAN: Realtek RTL8111DL Gigabit Ethernet Controller WLAN option: 802.11 b/g/n wirelessnetwork adapter One HDD bay suppporting 3.5-inch 25.4 mm SATA HDDs Support ...
eMachines EL1852 Service Guide - Page 10
...
Description
• • Multi-in-1 cardreader The following memorycards are supported: - Memory Stick (MS) - xD-Picture Card (xD) - Secure Digital (SD), MultiMediaCard (... I and II - Memory Stick PRO (MS PRO)
Power supply Antivirus software System BIOS
220 W power supply unit (non...8226; Front panel - USB ports (two) - Headphone jack - Microphone jack - Cardreader Rear panel - ...
eMachines EL1852 Service Guide - Page 13
...Fan aperture PS/2 keyboard connector PS/2 mouse connector Monitor port
USB 2.0 ports Microphone jack
Line-out jack Expansion slots The I/O ports on the upper chassis area are additional items made possible with the installation of an expansion card option.
EL1852 Service Guide
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eMachines EL1852 Service Guide - Page 17
...
+ and -
Esc
If you press this key
F1 F9 F10
To bring up the General Help window. The General Help window describes other Setup navigation keys that are not displayed on the ... Health Status • Frequency/Voltage Control • BIOS Security Features • Load Default Settings • Save & Exit Setup • Exit Without Saving
• The screenshots ...
eMachines EL1852 Service Guide - Page 18
....
Parameter Processor Type Processor Speed System Memory Product Name System Serial Number System BIOS Version BIOS Release Date ... Type of processor installed on the system Speed of the processor installed on the system Size of system memory detected during boot-up Official model name of the computer. System serial number. Current system BIOS version Date when the CMOS setup utility was released. ...
eMachines EL1852 Service Guide - Page 20
... order: • Hard disk • Optical drive (CD/DVD) • Removable device • Network boot (LAN) Press Enter to specify the boot device priority sequence for the installed hard drive(s). Press Enter to specify the boot device priority sequence for the installedoptical drive. Press Enter to specify the boot device priority sequence for removable ...
eMachines EL1852 Service Guide - Page 21
... reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the computer or network. Select whether to enable the Intel Virtualization ... and 32-bit operating systems that causes a computer to appear to have less memory available than is physically installed.
Value
Enabled
Disabled
Intel XD Bit
Enabled
...
eMachines EL1852 Service Guide - Page 52
.... Detects and initializes the video adapter installed in the system that have optional ROMs. Initializes all the output devices. Allocate memory for ADM module and uncompress it..... Detect different devices (Parallel ports, serial ports, and coprocessor in CPU, ...etc.) successfully installed in the system and update the BDA, EBDA...etc. Programming the memory hole or any kind of implementation that...
eMachines EL1852 Service Guide - Page 53
Checkpoint 52
Description Updates CMOS memory size from memory found in memory test. Allocates memory for Extended BIOS... for error. Execute BIOS setup if needed / requested. Check boot password if installed. Late POST initialization of ...1 initializes all static devices that include manual configured onboard peripherals, memory and I/O decode windows in PCI-PCI bridges, and noncompliant PCI devices....
eMachines EL1852 Service Guide - Page 60
... to enter power saving mode when the Power Management Mode is set to Enabled. • Enter CMOS Setup and load the default settings. In Windows systems, check settings in Power Management Property of the Control Panel. • Reload software from Recovery CD. Blinking cursor only; system does not work. • IDE drive ...
eMachines EL1852 Service Guide - Page 61
...• Enter CMOS Setup and load the default settings. • Hard disk drive cable • Hard disk drive ...8226; Enter CMOS Setup and load the default settings. • Hard disk drive cable • ... Setup and load the default settings. • DIMM • Mainboard • CD/DVD-ROM may have... good disc. • Ensure the CD/DVD-ROMdriver is installed properly. • CD/DVD-ROM ...
eMachines EL1852 Service Guide - Page 62
...correctly for your modem and set to receive messages and/or fax. Data/fax modem software program invoked but cannot ... normally.) • Ensure the modem card is installed properly. • Ensure the modem voice-in cable from modem adapter card is ...; Mainboard 54 EL1852 Service Guide Action/FRU • Remove all non-factory-installedcards. • Load default settings (if screen is readable). ...
eMachines EL1852 Service Guide - Page 63
... Action/FRU • Ensure the printer driver is properly installed. Refer to the printer service manual. • Printer • Printer ...for the power cable) is not set to OFF. • Power switch cable assembly. Executing software shutdown from Windows98 Start... running. • Enter CMOS Setup and load the default settings. • Reload software from Recovery CD.
• Power supply •...
eMachines EL1852 Service Guide - Page 68 Updating the BIOS in Windows Mode
This BIOS updating procedure is for a computer running a 32- or 64-bit Windows OS. 1. 2. Press the power button to turn on the computer. Click Start | Command Prompt | Run as administrator.
3.
Perform the steps below if your computer is running 32-bit Windows. a. Key in 'cd wintool\32'. (Go to BIOS path like "D:\WinTool\32")
b.
Key ...
eMachines EL1852 Service Guide - Page 99
... Interface checkpoints 46 specifications 2 antivirus software 2 asset tag number 10 audio headphone jack 4 ...
DIM checkpoints 45 disassembly procedures cardreader assembly 37 expansion board 33 front I/O assembly 37 hard disk drive ...87 update, DOS mode 59 update, Windows mode 60 BIOS version system 10 block ... slots expansion board, remove 33 specifications 1 exploded view 74
C
cardreader multi-in-1...
eMachines EL1852 Service Guide - Page 101
S
Save & Exit Setup 20 serial number system 10 SettingsLoad Default 20 side panel remove 24 slots expansion 5 software specifications antivirus 2 operating system 1 specifications audio 89 cardreader 89 Ethernet 89 hard disk drive 88 memory 87 optical disc drive 88 power management 90 power supply unit 89 processor 86 system BIOS 87 system chipsets 87 speed processor 10 ...