Aspire 7520 / 7520G User's Guide EN
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.... Read it before calling a technician if a problem occurs. Equipment configuration error Press (during POST) to enter the BIOS utility, then press Exit in the BIOS utility to reboot. See "Requesting service" on page 43. CMOS checksum error Contact your dealer or an authorized service ...no Contact your dealer or an authorized service center. contact your dealer or an authorized service center. Error messages Corrective action CMOS battery bad Contact your dealer or authorized service center for assistance. Do not attempt to more serious problems require opening up the computer....
.... Read it before calling a technician if a problem occurs. Equipment configuration error Press (during POST) to enter the BIOS utility, then press Exit in the BIOS utility to reboot. See "Requesting service" on page 43. CMOS checksum error Contact your dealer or an authorized service ...no Contact your dealer or an authorized service center. contact your dealer or an authorized service center. Error messages Corrective action CMOS battery bad Contact your dealer or authorized service center for assistance. Do not attempt to more serious problems require opening up the computer....
Aspire 7520 / 7520G User's Guide EN
Page 120
... 34 adjusting the volume 34 troubleshooting 40 B battery pack battery-low warning 47 caring for xvii characteristics 44 charging 46 checking charge level 46 installing 45 low conditions 47 maximizing life 44 optimizing 46 removing 46 using the first time 44 BIOS utility 79 brightness hotkeys 31 C caps lock ...29 on indicator 25 care AC adapter xvi battery pack xvii computer xvi CD-ROM ejecting manually 41 troubleshooting 41 charging checking level 46 cleaning...
... 34 adjusting the volume 34 troubleshooting 40 B battery pack battery-low warning 47 caring for xvii characteristics 44 charging 46 checking charge level 46 installing 45 low conditions 47 maximizing life 44 optimizing 46 removing 46 using the first time 44 BIOS utility 79 brightness hotkeys 31 C caps lock ...29 on indicator 25 care AC adapter xvi battery pack xvii computer xvi CD-ROM ejecting manually 41 troubleshooting 41 charging checking level 46 cleaning...
Aspire 7520 / 7520G Service Guide
Page 57
... required for the following conditions: T New versions of system programs T New features or options T Restore a BIOS when it becomes corrupted. The flash utility has auto-execution function. If the battery pack does not contain enough power to run the Phlash utility. Chapter 2 51 NOTE: If you do not have a crisis recovery diskette...
... required for the following conditions: T New versions of system programs T New features or options T Restore a BIOS when it becomes corrupted. The flash utility has auto-execution function. If the battery pack does not contain enough power to run the Phlash utility. Chapter 2 51 NOTE: If you do not have a crisis recovery diskette...
Aspire 7520 / 7520G Service Guide
Page 83
... will be shown before "Equipment Configuration Error") Memory Error at offset: nnnn DIMM System board System battery is specified. Battery critical LOW In this situation BIOS will show message. Unlock key switch Unlock external keyboard Monitor type does not match CMOS - System board... Fixed Disk Reconnect hard disk drive connector. System timer error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Keyboard locked - Default configuration used RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Keyboard error...
... will be shown before "Equipment Configuration Error") Memory Error at offset: nnnn DIMM System board System battery is specified. Battery critical LOW In this situation BIOS will show message. Unlock key switch Unlock external keyboard Monitor type does not match CMOS - System board... Fixed Disk Reconnect hard disk drive connector. System timer error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Keyboard locked - Default configuration used RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Keyboard error...
Aspire 7520 / 7520G Service Guide
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... Chapter 4 System board Run "Load Default Settings" in BIOS Setup Utility. RTC battery System board Run "Load Default Settings" in BIOS Setup Utility. run SETUP System cache error - RTC battery System board Run "Load Default Settings" in BIOS Setup Utility. Cache disabled CPU ID: DMA Test Failed ... A type - DIMM System board Check the drive is defined with the proper diskette type in Sequence RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery System board Enter Setup and see if fixed disk and drive A: are properly identified. RTC...
... Chapter 4 System board Run "Load Default Settings" in BIOS Setup Utility. RTC battery System board Run "Load Default Settings" in BIOS Setup Utility. run SETUP System cache error - RTC battery System board Run "Load Default Settings" in BIOS Setup Utility. Cache disabled CPU ID: DMA Test Failed ... A type - DIMM System board Check the drive is defined with the proper diskette type in Sequence RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. RTC battery System board Enter Setup and see if fixed disk and drive A: are properly identified. RTC...
Aspire 7520 / 7520G Service Guide
Page 90
... Error Action in characters Abnormal screen Wrong color displayed LCD has extra horizontal or vertical lines displayed. Battery pack Power adapter Hard drive & battery connection board System board Power source (battery pack and power adapter). See "Power System Check" on . Hold and press the power switch ...board Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn't power-on page 73. Action in Sequence Enter BIOS Utility to -FRU Error Message LCD-Related Symptoms Symptom / Error LCD backlight doesn't work ). Index of Symptom-to execute "Load ...
... Error Action in characters Abnormal screen Wrong color displayed LCD has extra horizontal or vertical lines displayed. Battery pack Power adapter Hard drive & battery connection board System board Power source (battery pack and power adapter). See "Power System Check" on . Hold and press the power switch ...board Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn't power-on page 73. Action in Sequence Enter BIOS Utility to -FRU Error Message LCD-Related Symptoms Symptom / Error LCD backlight doesn't work ). Index of Symptom-to execute "Load ...
Aspire 7520 / 7520G Service Guide
Page 91
... Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to Disk (S4)" on page 45. Keyboard (if control is damaged. Action in Sequence See "Save to Disk (S4)" on page 45. Battery pack System board PCMCIA-Related Symptoms Symptom / Error System cannot...System board See "Save to execute "Load Default Settings, then reboot system. Power-Related Symptoms Symptom / Error Battery can't be charged Action in Sequence See "Check the Battery Pack" on page 45. Action in Sequence Power Management-Related Symptoms Symptom / Error The system will not enter...
... Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to Disk (S4)" on page 45. Keyboard (if control is damaged. Action in Sequence See "Save to Disk (S4)" on page 45. Battery pack System board PCMCIA-Related Symptoms Symptom / Error System cannot...System board See "Save to execute "Load Default Settings, then reboot system. Power-Related Symptoms Symptom / Error Battery can't be charged Action in Sequence See "Check the Battery Pack" on page 45. Action in Sequence Power Management-Related Symptoms Symptom / Error The system will not enter...
Aspire 7520 / 7520G Service Guide
Page 92
... Settings", then reboot system. Touchpad board System board Modem-Related Symptoms Symptom / Error Action in the Devices Configuration" of BIOS Setup Utility is set to Enabled. Remove battery pack and let it cool for 2 hours. Keyboard System board Reconnect touchpad cable. External display does not work correctly. ...and the problem remains, see "Undetermined Problems" on page 88. 86 Chapter 4 Power Management-Related Symptoms Symptom / Error Action in Sequence Battery fuel gauge in the "Onboard Devices Configuration" of BIOS Setup Utility is set to Enabled.
... Settings", then reboot system. Touchpad board System board Modem-Related Symptoms Symptom / Error Action in the Devices Configuration" of BIOS Setup Utility is set to Enabled. Remove battery pack and let it cool for 2 hours. Keyboard System board Reconnect touchpad cable. External display does not work correctly. ...and the problem remains, see "Undetermined Problems" on page 88. 86 Chapter 4 Power Management-Related Symptoms Symptom / Error Action in Sequence Battery fuel gauge in the "Onboard Devices Configuration" of BIOS Setup Utility is set to Enabled.