Acer Aspire M5802 Technical Information Seite 62
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54 Chapter 4
Error Symptoms List
NOTE: To diagnose a problem, first find the error symptom in the left column. If directed to a check procedure,
replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/
FRU listed in right column is the most likely cause.
Error Symptom Action/FRU
Processor / Processor Fan
NOTE: Normally, the processor fan should be operative, and the processor clock setting should be
exactly set to match its speed requirement before diagnosing any processor problems.
Processor fan does not run but power supply fan
runs.
1. Ensure the system is not in power saving
mode.See “Power Management”in chapter2.
2.With the system power on, measure the voltage of
processor fan connector. Its reading should be
+12Vdc. Its reading should be +12Vdc. If the reading
shows normal, but the fan still does not work, then
replace a good fan.3. Main board.
Processor test failed. 1.Processor.
2.Main board.
Main board and Memory
NOTE: Ensure the memory modules are installed properly and the contact leads are clean before
diagnosing any system problems.
Memory test failed. 1.See "Memory"
2.Main board
Incorrect memory size shown or repeated during
POST.
1.Insert the memory modules in the DIMM sockets
properly, then reboot the system.
2.Memory module.
3.Main board.
System works but fails to enter power saving mode
when the Power Management Mode is set to
Enabled.
1.Enter BIOS Setup and load default settings.In
Windows Systems, check settings in Power
Management Property of Control Panel.
2.Reload software from Recovery CD.
Blinking cursor only; system does not work. 1.Diskette/IDE drive connection/cables
2. Diskette/IDE disk drives
3.See “Undetermined Problems”.
4.Main board
Diskette Drive
NOTE: Ensure the diskette drive is auto-setting in BIOS Setup and its read/write head is clean before
diagnosing any diskette drive problems.(If only one drive is installed, please make sure the drive is
connected to master connector or the drive is set to master.)
Media and drive are mismatched. 1.Ensure the diskette drive is configured correctly in
the Disk Drives of BIOS Setup.
2.Ensure the diskette drive is correctly formatted.
3.Diskette drive connection/cable
4.Diskette drive
5.Main board
- Aspire M5802(G) 1
- Service Guide 1
- Revision History 2
- Copyright 3
- Disclaimer 4
- Conventions 5
- Service Guide Coverage 6
- FRU Information 6
- Table of Contents 7
- System Tour 9
- Block Diagram 12
- System Components 13
- Rear Panel 14
- Main Board Major Chips 15
- Processor 15
- IOS Hotkey List 15
- Memory Combinations 16
- System Memory 16
- Audio Interface 16
- SATA Interface 17
- USB Port 17
- Environmental Requirements 17
- Power Management 17
- Device Standby Mode 18
- Global Standby Mode 18
- Suspend Mode 18
- System Utilities 19
- Entering CMOS setup 20
- Setup Utility Menus 21
- Product Information 22
- Standard CMOS Features 23
- Advanced BIOS Feature 24
- Advanced Chipset Features 25
- Integrated Peripherals 26
- Power Management Setup 27
- PC Health Status 28
- Frequency/Voltage Control 29
- BIOS Security Features 30
- Load Default Settings 31
- Save & Exit Setup 32
- Exit Without Saving 32
- System Disassembly 33
- Pre-disassembly Procedure 34
- Removing the Side Panel 35
- Removing the Processor 37
- Removing the VGA Card 38
- Removing the TV Card 39
- Removing the Mode Card 39
- Removing the Hard Disk Drive 40
- Chapter 3 33 41
- 3. Remove the HDD module 41
- Removing the Front Bezel 42
- Removing the Optical Drive 43
- Removing Cables 44
- Remove System FAN 45
- Removing the Power Supply 46
- Removing the Memory Modules 47
- Removing the Mainboard 48
- System Troubleshooting 49
- Power-On Self-Test (POST) 50
- DIM Code Checkpoints 54
- ACPI Runtime Checkpoints 54
- POST Error Messages List 55
- Storage Device 56
- Message 57
- Displayed 57
- Description 57
- Virus Related 58
- System Configuration 58
- Miscellaneous 60
- USB eModule Error Messages 61
- SMBIOS eModule Error Messages 61
- CPU eModule Error Messages 61
- Error Symptoms List 62
- Undetermined Problems 67
- Chapter 5 68
- Jumper Setting 70
- Setting Jumper 70
- Connector pin definition 73
- Chapter 6 78
- Aspire M5802 Exploded Diagram 79
- Chapter 6 72 80
- Aspire M5802 FRU List 81
- Chapter 6 74 82
- 75 Chapter 6 83
- Chapter 6 76 84
- 77 Chapter 6 85
- Chapter 6 78 86
- 79 Chapter 6 87
- Chapter 6 80 88
- 81 Chapter 6 89
- Intel RAID SOP 90
- 83 Chapter 7 91
- 87 Chapter 7 95
- Chapter 7 90 98
- HDD Drive ’ 99
- Existing HDD Drive ’ 100
- 93 Chapter 7 101
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