Acer Aspire 7250 Service Guide
Page 48
... power supply when running the Flash utility. Copy the Flash utilities to update the system BIOS Flash ROM. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when the Flash is used . If battery pack does not contain power to finish loading of system programs New features or options...
... power supply when running the Flash utility. Copy the Flash utilities to update the system BIOS Flash ROM. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when the Flash is used . If battery pack does not contain power to finish loading of system programs New features or options...
Acer Aspire 7250 Service Guide
Page 130
...display brightness. 2. Re-seat the memory modules. 10. Boot the computer. Refer to Online Support Information. Remove and reinstall the video driver. 6. Abnormal Video 0 If the video appears abnormal, perform the following, one until the failure point is still not resolved, refer to...the display is too dim at a time. 1. If desktop display resolution is faulty and should be replaced. Roll back the video driver to the desired resolution. Check the Device Manager to Online Support Information. 4-6 Troubleshooting If the Issue is listed under Other Devices 7. ...
...display brightness. 2. Re-seat the memory modules. 10. Boot the computer. Refer to Online Support Information. Remove and reinstall the video driver. 6. Abnormal Video 0 If the video appears abnormal, perform the following, one until the failure point is still not resolved, refer to...the display is too dim at a time. 1. If desktop display resolution is faulty and should be replaced. Roll back the video driver to the desired resolution. Check the Device Manager to Online Support Information. 4-6 Troubleshooting If the Issue is listed under Other Devices 7. ...
Acer Aspire 7250 Service Guide
Page 134
Internal Speaker Failure Sound Problems 0 Perform the following , one at a time. If updated recently, roll back the audio driver to Startu Control Panelu System and Securityu Systemu Device Manager. Remove and reinstall the audio driver. 5. Boot the computer. 2. NG Swap I /O Board OK? Navigate to the previous version. 4. Internal & External Speaker Failure 0 If internal...
Internal Speaker Failure Sound Problems 0 Perform the following , one at a time. If updated recently, roll back the audio driver to Startu Control Panelu System and Securityu Systemu Device Manager. Remove and reinstall the audio driver. 5. Boot the computer. 2. NG Swap I /O Board OK? Navigate to the previous version. 4. Internal & External Speaker Failure 0 If internal...
Acer Aspire 7250 Service Guide
Page 141
Do not replace a non-defective FRU: START CRT/HDMI connection check NG Check Drivers install OK or not in Device NG manager Swap MB Reinsert CRT/HDMI Connector Reinstall corrcet driver Figure 4-12. HDMI and CRT Failure Troubleshooting 4-17 HDMI and CRT Failure 0 If the HDMI or CRT function fails, perform the following, one at a time.
Do not replace a non-defective FRU: START CRT/HDMI connection check NG Check Drivers install OK or not in Device NG manager Swap MB Reinsert CRT/HDMI Connector Reinstall corrcet driver Figure 4-12. HDMI and CRT Failure Troubleshooting 4-17 HDMI and CRT Failure 0 If the HDMI or CRT function fails, perform the following, one at a time.
Acer Aspire 7250 Service Guide
Page 146
... to 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 MiddleInitialization DXE_SMBUS_INIT DXE 50 SMBUS Driver Initialization DXE_SMART_TIMER_INIT DXE 51 8259 Initialization 4-22 Troubleshooting
... to 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 MiddleInitialization DXE_SMBUS_INIT DXE 50 SMBUS Driver Initialization DXE_SMART_TIMER_INIT DXE 51 8259 Initialization 4-22 Troubleshooting
Acer Aspire 7250 Service Guide
Page 148
...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... 1F 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...
...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... 1F 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...