Acer Aspire X3400, X3400G Desktop Service Guide
Page 5
NOTE Gives additional information related to the accomplishment of procedures. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to any physical risk or system damage that appear on screen. v WARNING CAUTION IMPORTANT Alerts you to do specific actions relevant to the current topic. Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions.
NOTE Gives additional information related to the accomplishment of procedures. Gives precautionary measures to avoid possible hardware or software problems. Reminds you to any physical risk or system damage that appear on screen. v WARNING CAUTION IMPORTANT Alerts you to do specific actions relevant to the current topic. Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that might result from doing or not doing specific actions.
Acer Aspire X3400, X3400G Desktop Service Guide
Page 59
...the symptoms by attempting to recreate the failure by running the diagnostic tests or repeating the same operation. 3. Chapter 4 51 Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Refer to "Power System Check" ...on page 52 and "Beep Codes" on how to troubleshoot system hardware problems. Hardware Diagnostic Procedure IMPORTANT:The diagnostic tests described in as much detail as possible. 2. Chapter 4 System Troubleshooting This chapter provides instructions...
...the symptoms by attempting to recreate the failure by running the diagnostic tests or repeating the same operation. 3. Chapter 4 51 Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. Refer to "Power System Check" ...on page 52 and "Beep Codes" on how to troubleshoot system hardware problems. Hardware Diagnostic Procedure IMPORTANT:The diagnostic tests described in as much detail as possible. 2. Chapter 4 System Troubleshooting This chapter provides instructions...
Acer Aspire X3400, X3400G Desktop Service Guide
Page 60
Turn off the system and all components are Acer-qualified and supported. 10. Place the system unit on the system. 12. Verify that air flow is not blocked...power cord from the system. 4. Remove the system covers. For the LED locations and description of their appropriate connectors. 9. If the problem is not evident, continue with the system is making contact that all peripheral cables from the system. 5. Unplug the power cord from... try viewing the POST messages and BIOS event logs during the system startup. 52 Chapter 4 If the problem with System Internal Inspection.
Turn off the system and all components are Acer-qualified and supported. 10. Place the system unit on the system. 12. Verify that air flow is not blocked...power cord from the system. 4. Remove the system covers. For the LED locations and description of their appropriate connectors. 9. If the problem is not evident, continue with the system is making contact that all peripheral cables from the system. 5. Unplug the power cord from... try viewing the POST messages and BIOS event logs during the system startup. 52 Chapter 4 If the problem with System Internal Inspection.
Acer Aspire X3400, X3400G Desktop Service Guide
Page 61
... the screen during the preboot process. Copying Main BIOS into memory. Set stack. These are very useful in aiding software developers or technicians in debugging problems that may differ between different platforms based on a LED display. The following table describes the type of checkpoints that occur during POST. Do additional chipset...
... the screen during the preboot process. Copying Main BIOS into memory. Set stack. These are very useful in aiding software developers or technicians in debugging problems that may differ between different platforms based on a LED display. The following table describes the type of checkpoints that occur during POST. Do additional chipset...
Acer Aspire X3400, X3400G Desktop Service Guide
Page 67
... cards are absent, consult your system manufacturer. Chapter 4 59 Before declaring the motherboard beyond all other expansion cards are absent, one at a time until the problem happens again. If the video adapter is causing the malfunction. This will reveal the malfunctioning card. 8 If the system video adapter is an add-in... are not generated when all hope, eliminate the possibility of Beeps Description 1,3 Reseat the memory, or replace with known good modules. 6,7 Fatal error indicating a serious problem with the system.
... cards are absent, consult your system manufacturer. Chapter 4 59 Before declaring the motherboard beyond all other expansion cards are absent, one at a time until the problem happens again. If the video adapter is causing the malfunction. This will reveal the malfunctioning card. 8 If the system video adapter is an add-in... are not generated when all hope, eliminate the possibility of Beeps Description 1,3 Reseat the memory, or replace with known good modules. 6,7 Fatal error indicating a serious problem with the system.
Acer Aspire X3400, X3400G Desktop Service Guide
Page 68
This may indicate a problem with a detailed description of the error. A multiple bit corruption of memory over 1 MB. This may appear during POST. System halts after displaying this message. This ...
This may indicate a problem with a detailed description of the error. A multiple bit corruption of memory over 1 MB. This may appear during POST. System halts after displaying this message. This ...
Acer Aspire X3400, X3400G Desktop Service Guide
Page 71
...Interrupt Controller. BIOS POST (DIM code) found that the refresh timer hardware failed to clear the NVRAM data. This may indicate a problem with system hardware. More than one system device is causing by an incomplete description of the PCI Interrupt Routing of the 8254 timer...primary DMA controller. This message appears when the FLASH part is write-protected or if there is a fatal error, often indication a problem with system hardware. Error initializing secondary DMA controller. This message only applies to initialize the DMA controller. POST error while trying to ...
...Interrupt Controller. BIOS POST (DIM code) found that the refresh timer hardware failed to clear the NVRAM data. This may indicate a problem with system hardware. More than one system device is causing by an incomplete description of the PCI Interrupt Routing of the 8254 timer...primary DMA controller. This message appears when the FLASH part is write-protected or if there is a fatal error, often indication a problem with system hardware. Error initializing secondary DMA controller. This message only applies to initialize the DMA controller. POST error while trying to ...
Acer Aspire X3400, X3400G Desktop Service Guide
Page 72
...PS2 Mouse not found Keyboard/Interface Error Unlock Keyboard System Halted Pressed Password check failed Unknown BIOS error. This may indicate a problem with keyboard controller initialization. This message appears after a fatal error has been detected. It could also appear when the user...can be replaced. PS2 Keyboard support is enabled in AMIBIOS Setup. PS2 keyboard is not detected. This condition may indicate a problem with system hardware. Keyboard Controller failure. CMOS settings are invalid. CMOS Message Displayed CMOS Date/Time Not Set CMOS Battery Low...
...PS2 Mouse not found Keyboard/Interface Error Unlock Keyboard System Halted Pressed Password check failed Unknown BIOS error. This may indicate a problem with keyboard controller initialization. This message appears after a fatal error has been detected. It could also appear when the user...can be replaced. PS2 Keyboard support is enabled in AMIBIOS Setup. PS2 keyboard is not detected. This condition may indicate a problem with system hardware. Keyboard Controller failure. CMOS settings are invalid. CMOS Message Displayed CMOS Date/Time Not Set CMOS Battery Low...
Acer Aspire X3400, X3400G Desktop Service Guide
Page 76
...Verify that the power supply being used at a time until you find the failed FRU. 7. If the problem persists, replace the FRU one at the time of the following devices: Non-Acer devices Printer, mouse, and other external devices Hard disk drive DIMM ...61553; CD/DVD-ROM drive Adapter cards 4. NOTE: Verify that all of the failure is inoperative. If any problems are incorrect, whether a short circuit ...
...Verify that the power supply being used at a time until you find the failed FRU. 7. If the problem persists, replace the FRU one at the time of the following devices: Non-Acer devices Printer, mouse, and other external devices Hard disk drive DIMM ...61553; CD/DVD-ROM drive Adapter cards 4. NOTE: Verify that all of the failure is inoperative. If any problems are incorrect, whether a short circuit ...