Acer Aspire 4250 Notebook Service Manual
Page 70
... Flash Utilities 0 BIOS Flash memory updates are required for the following to update the system BIOS Flash ROM. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used .
... Flash Utilities 0 BIOS Flash memory updates are required for the following to update the system BIOS Flash ROM. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used .
Acer Aspire 4250 Notebook Service Manual
Page 134
... not normal, right-click on the screen), the LCD is discovered. 9. Click and drag the Resolution slider to Disassembly Process. Remove and reinstall the video driver. 6. If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Readjust if necessary. 4. Connect an external... Picture Failure. 7. If desktop display resolution is properly installed. 4. Check the display resolution is present (different colored spots in the application. Roll back the video driver to Online Support Information. 8.
... not normal, right-click on the screen), the LCD is discovered. 9. Click and drag the Resolution slider to Disassembly Process. Remove and reinstall the video driver. 6. If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Readjust if necessary. 4. Connect an external... Picture Failure. 7. If desktop display resolution is properly installed. 4. Check the display resolution is present (different colored spots in the application. Roll back the video driver to Online Support Information. 8.
Acer Aspire 4250 Notebook Service Manual
Page 139
Navigate to Start´ Control Panel´ Hardware and Sound´ Sound. Remove and reinstall the audio driver. 5. Confirm that Troubleshooting 4-11 Navigate to Start´ Control Panel´ System and Maintenance´ System´ Device Manager. Internal Speaker ... the following , one at a time. 1. Internal Speaker Failure Sound Problems 0 Perform the following : Figure 4-6. If updated recently, roll back the audio driver to 50. Confirm that the volume is listed under Other Devices 3. Click Mixer to verify that all volume controls are set to 50 and not...
Navigate to Start´ Control Panel´ Hardware and Sound´ Sound. Remove and reinstall the audio driver. 5. Confirm that Troubleshooting 4-11 Navigate to Start´ Control Panel´ System and Maintenance´ System´ Device Manager. Internal Speaker ... the following , one at a time. 1. Internal Speaker Failure Sound Problems 0 Perform the following : Figure 4-6. If updated recently, roll back the audio driver to 50. Confirm that the volume is listed under Other Devices 3. Click Mixer to verify that all volume controls are set to 50 and not...
Acer Aspire 4250 Notebook Service Manual
Page 147
... initial Variable Service DXE_MTC_INIT DXE 4D MTC Initial DXE_CPU_INIT DXE 4E CPU Middle Initialization DXE_MP_CPU_INIT DXE 4F Multi-processor Middle Initialization DXE_SMBUS_INIT DXE 50 SMBUS Driver Initialization DXE_SMART_TIMER_INIT DXE 51 8259 Initialization DXE_PCRTC_INIT DXE 52 RTC Initialization Troubleshooting 4-19
... initial Variable Service DXE_MTC_INIT DXE 4D MTC Initial DXE_CPU_INIT DXE 4E CPU Middle Initialization DXE_MP_CPU_INIT DXE 4F Multi-processor Middle Initialization DXE_SMBUS_INIT DXE 50 SMBUS Driver Initialization DXE_SMART_TIMER_INIT DXE 51 8259 Initialization DXE_PCRTC_INIT DXE 52 RTC Initialization Troubleshooting 4-19
Acer Aspire 4250 Notebook Service Manual
Page 149
...BDS_CONNECT_USB_HC BDS 19 USB host controller initialization BDS_CONNECT_USB_BUS BDS 1A USB BUS driver initialization BDS_CONNECT_USB_DEVICE BDS 1B USB device driver initialization BDS_NO_CONSOLE_ACTION BDS 1C Console device initial fail BDS_DISPLAY_LOGO_SYSTEM_INFO BDS 1D Display... SATA controller initialization BDS_START_ISA_ACPI_CONTROLLER BDS 20 SIO controller initialization BDS_START_ISA_BUS BDS 21 ISA BUS driver initialization BDS_START_ISA_FDD BDS 22 Floppy device initialization BDS_START_ISA_SEIRAL BDS 23 Serial device initialization BDS_START_IDE_BUS...
...BDS_CONNECT_USB_HC BDS 19 USB host controller initialization BDS_CONNECT_USB_BUS BDS 1A USB BUS driver initialization BDS_CONNECT_USB_DEVICE BDS 1B USB device driver initialization BDS_NO_CONSOLE_ACTION BDS 1C Console device initial fail BDS_DISPLAY_LOGO_SYSTEM_INFO BDS 1D Display... SATA controller initialization BDS_START_ISA_ACPI_CONTROLLER BDS 20 SIO controller initialization BDS_START_ISA_BUS BDS 21 ISA BUS driver initialization BDS_START_ISA_FDD BDS 22 Floppy device initialization BDS_START_ISA_SEIRAL BDS 23 Serial device initialization BDS_START_IDE_BUS...