Acer Aspire X1420G Support Question
Acer Aspire X1420G Support Question
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Question posted by coastieret on July 13th, 2020
Cmos Battery Location I Cannot Find The Battery For Above Computer!
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Related Acer Aspire X1420G Manual Pages
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 2
Revision History
Refer to the table below for changes made on this version of the Aspire AX1400 Desktop Computer Service Guide. Date
Chapter
Updates
ii
Aspire AX1400 Service Guide
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 7
... Physical Specifications 3 Environmental Requirements 3 System Tour 4
Front View 4 Rear View 5
System Utilities 7
CMOS Setup Utility 7 Accessing the Setup Utility 8 Navigating through the Setup Utility 9 Setup Utility Menus 9
... BIOS in DOS Mode 62 Updating the BIOS in Windows Mode 63 Clearing CMOS 66
System Architecture 67
Block Diagram 67 Mainboard Layout 68 Jumper Setting 69 ...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 15
POST uses these values to the BIOS settings.
Aspire AX1400 Service Guide
7 System Utilities
Chapter 2
CMOS Setup Utility
CMOS Setup Utility is detected by the system and you repeatedly receive "Run Setup" messages, the RTC battery located on the mainboard (BT1) may be simply referred to as "Setup" or "Setup Utility" in this Service Guide. IMPORTANT...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 17
...illustration only.
These include:
• Product Information
• PC Health Status
• Standard CMOS Features
• Frequency/Voltage Control
• Advanced BIOS Features
• BIOS Security Features
&#...bar on the legend bar. Press to the last page of a multipage menu. Aspire AX1400 Service Guide
9
Press these legend keys and their respective functions. The values...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 18
... Information menu displays basic information about the system.
Current system BIOS version Date when the CMOS setup utility was released. System serial number. Field Processor Type Processor Speed System Memory Product...Official model name of the computer. System asset tag number
10
Aspire AX1400 Service Guide These entries are for your reference only and are not user-configurable.
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 19
...61472; (month/day/year)
Sets the system time. All Errors No Errors All, But Keyboard
Aspire AX1400 Service Guide
11 Options include:
• All Errors -
Press Enter to be installed.
HH:MM:SS (...detected during the POST. BIOS will pause the system. Standard CMOS Features
Field System Date System Time SATA Port 1-2
Halt On
Description
Value
Sets the system date.
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 32
Put the side panel aside for reinstallation later.
24
Aspire AX1400 Service Guide Slide the panel back about 2.5 cm (1.0 in) to release it from the chassis notches, then detach the panel from the chassis.
3. Disassembly Procedures
Removing the Side Panel
1. Remove the two screws located on the rear edge of the side panel.
2.
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 52
Lift the board from the chassis.
3. Remove the RTC battery. 2. Please detach the RTC battery and follow local regulations for disposal.
44
Aspire AX1400 Service Guide
Note:RTC battery has been highlighted with the yellow circle as above image shows.
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 53
...which corrective action to take. Make sure that can not be powered on page 4 for the location and description of the LED behaviour.
2. If the cause of the failure is still can ...next page.
Proceed to "Front View" section on , skip this chapter are not blocked. 3. Aspire AX1400 Service Guide
45
Power System Check
If the system can give false errors and invalid system responses...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 54
... or technicians in debugging problems that checkpoints may appear on CPUID value in scratch CMOS.
Checkpoints may differ between different platforms based on a LED display. This display method... is available. If the cause of I /O initialization is enabled. Set stack.
46
Aspire AX1400 Service Guide
Checkpoint Before D1 D1 D0 D2 D3
D4
Description
Early chipset initialization is...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 56
...the system.
48
Aspire AX1400 Service Guide
Initialize CH-0 as mentioned in the Kernel Variable "wCMOSFlags." Traps INT1Ch vector to determine if battery power is OK and CMOS checksum is OK... DIM Code Checkpoints section for more information. Activate ADM module.
Displaying sign-on CMOS setup questions.
POST Code Checkpoints
The POST code checkpoints are initialized at this point...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 57
...any kind of runtime image preparation for user input at config display if needed . Updates CMOS memory size from base memory. Allocates memory for OS boot including final MTRR values. ...Int-13 and prepare for Int 19 boot. Deinitializes the ADM module. Passes control to OS.
Aspire AX1400 Service Guide
49 Fill the free area in CPU, ... Prepares the runtime language module. ...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 59
... B: drive during POST, but it was unable to a bad cable or faulty diskette drive.
Aspire AX1400 Service Guide
51 System halts after displaying this message.
This message is not configured as a... hole is set at 512K base memory or when CMOS is a generic message indicating the BIOS could not find a bootable device in the CMOS (offset 15h) mismatches with the mainboard. This may...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 63
... required to be resolved by using AMIBIOS Setup. User needs to unlock the keyboard to malfunction. The POST will load and use default CMOS settings. Aspire AX1400 Service Guide
55 CMOS battery is not detected. This error can be resolved by using AMIBIOS Setup. This error can be resolved by a program other than the...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 64
...Symptoms
Symptom/Error Processor fan does not run but fails to enter power
• Enter CMOS Setup and load the default settings. Its reading should be +12Vdc. If the reading ...modules are installed properly and the contact leads are clean before diagnosing any system problems.
56
Aspire AX1400 Service Guide
Find the error symptom in the check procedure.
the Control Panel.
•...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 66
...the telephone application is configured correctly for your modem and set correctly.
• RTC battery • Mainboard
Audio-related Symptoms
Symptom/Error Audio software program invoked but has no ... received normally;
For the PCI modem, make sure Power on By Ring in the Standard CMOS Feature of BIOS Setup is readable). • Mainboard • Monitor signal connection/cable •...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 67
... the system
Executing software shutdown from Recovery CD.
• Power supply • Mainboard
Aspire AX1400 Service Guide
59 Printer problems.
Action/FRU
• Ensure the printer driver is... CMOS Setup and load the default settings. • Reload software from Windows98 Start menu does not turn off . • Power switch cable assembly
• Ensure the power override switch (located at...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 74
...30 seconds. 9. Place the computer on the computer. 14. Remove the side panel. 6. Locate the JBIOS1 jumper on the mainboard. 8. Press F9 to the computer and all connected peripheral devices... Clearing CMOS
You may need to clear the Setup configuration values (CMOS) if the configuration has been corrupted, or if incorrect settings made and close the Setup Utility.
66
Aspire AX1400 ...
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 77
... CMOS, make sure to open or clear the jumper. When setting a jumper, ensure that the jumper caps are numbered.
Place the jumper cap on pins 2 and 3 to turn off the system. Place the jumper cap on the correct pins. Aspire AX1400... the jumper. The following table shows the settings of the 3-pin Clear CMOS (JBIOS1) jumper. The following illustration shows the location of the main board.
Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 102
..., see power supply unit 36
R
Return Merchandise Authorization 77 RMA, see Return Merchandise Authorization 77 RTC battery
BIOS error 7 RTC clock
troubleshooting 58
S
Save & Exit Setup 20 side panel
remove 24 software... power supply unit 91 processor 88 system BIOS 88 system chipsets 88 Standard CMOS Features menu 11 supervisor password 18 system architecture 67 system chipsets 88 system date 11...
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