Acer Aspire E1-421 Notebook Service Guide
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... Battery indicator 2 HDD/SSD/Card Reader activity indicator Communication indicator Description Accepts various media card formats (MS, MS PRO, SD3.0, MMC, xD). Indicates the hard driver or card reader's activity of read/write operations Indicates the computer's wireless (3G/Wi-Fi) connectivity device status. 1-12 Hardware Specifications and Configurations Figure 1-2. Note...
... Battery indicator 2 HDD/SSD/Card Reader activity indicator Communication indicator Description Accepts various media card formats (MS, MS PRO, SD3.0, MMC, xD). Indicates the hard driver or card reader's activity of read/write operations Indicates the computer's wireless (3G/Wi-Fi) connectivity device status. 1-12 Hardware Specifications and Configurations Figure 1-2. Note...
Acer Aspire E1-421 Notebook Service Guide
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... and Amplifier Item Audio Controller Features Amplifier Specification Conexant 20584 24-bit, 2 pairs of independent DACs and 3 pairs of independent ADCs ProCoustic headphone driver delivers 50 mW into 32 ohm load with no pop, eliminating the need for an external amplifier and DC-blocking capacitors Integrated 5 V to 3.3 V low...
... and Amplifier Item Audio Controller Features Amplifier Specification Conexant 20584 24-bit, 2 pairs of independent DACs and 3 pairs of independent ADCs ProCoustic headphone driver delivers 50 mW into 32 ohm load with no pop, eliminating the need for an external amplifier and DC-blocking capacitors Integrated 5 V to 3.3 V low...
Acer Aspire E1-421 Notebook Service Guide
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... Flash utility. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility is used . NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used . BIOS Flash Utilities 0 BIOS Flash memory updates are required for the following to finish loading BIOS Flash, do...
... Flash utility. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility is used . NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used . BIOS Flash Utilities 0 BIOS Flash memory updates are required for the following to finish loading BIOS Flash, do...
Acer Aspire E1-421 Notebook Service Guide
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.... 2. Remove the drives (refer to the previous version if updated. 5. Refer to Online Support Information. 4-6 Troubleshooting Roll back the video driver to External Module Disassembly Process). 11. Abnormal Video 0 If the video appears abnormal, perform the following: 1. Remove and reinstall the video... driver. 6. If the Issue is not running on the screen), the LCD is faulty and should be replaced. NOTE: NOTE: Make sure that...
.... 2. Remove the drives (refer to the previous version if updated. 5. Refer to Online Support Information. 4-6 Troubleshooting Roll back the video driver to External Module Disassembly Process). 11. Abnormal Video 0 If the video appears abnormal, perform the following: 1. Remove and reinstall the video... driver. 6. If the Issue is not running on the screen), the LCD is faulty and should be replaced. NOTE: NOTE: Make sure that...
Acer Aspire E1-421 Notebook Service Guide
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Boot the computer. 2. Navigate to the previous version. 4. If updated recently, roll back the audio driver to Start Control Panel System and Maintenance System Device Manager. Internal Speaker Failure Sound Problems 0 Perform the following : Figure 4-6. ...icon on the taskbar Drag the slider to 50. Confirm that the volume is listed under Other Devices 3. Remove and reinstall the audio driver. 5. Make sure that all volume controls are set to verify that : The device is properly installed There are no ...
Boot the computer. 2. Navigate to the previous version. 4. If updated recently, roll back the audio driver to Start Control Panel System and Maintenance System Device Manager. Internal Speaker Failure Sound Problems 0 Perform the following : Figure 4-6. ...icon on the taskbar Drag the slider to 50. Confirm that the volume is listed under Other Devices 3. Remove and reinstall the audio driver. 5. Make sure that all volume controls are set to verify that : The device is properly installed There are no ...
Acer Aspire E1-421 Notebook Service Guide
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...2F BDS 30 BDS 31 BDS 32 BDS_LEGACY_BOOT_EVENT BDS 33 Description USB host controller initialization USB BUS driver initialization USB device driver initialization Console device initial fail Display logo or system information IDE controller initialization SATA controller initialization SIO controller... initialization ISA BUS driver initialization Floppy device initialization Serial device initialization IDE device initialization AHCI device initialization Dispatch option ROMs Get...
...2F BDS 30 BDS 31 BDS 32 BDS_LEGACY_BOOT_EVENT BDS 33 Description USB host controller initialization USB BUS driver initialization USB device driver initialization Console device initial fail Display logo or system information IDE controller initialization SATA controller initialization SIO controller... initialization ISA BUS driver initialization Floppy device initialization Serial device initialization IDE device initialization AHCI device initialization Dispatch option ROMs Get...