Aspire 7720 / 7720G Service Guide
Page 83
... BIOS Update Code Mismatch 2. Incorrect password is dead - Thermal critical High In this situation BIOS will issue 4 short beeps then shut down system, not show . Keyboard error see "Keyboard or Auxiliary Input Device Check" on page 72. Shadow RAM Failed at offset... Settings" in Sequence Failure Fixed Disk Reconnect hard disk drive connector. System CMOS checksum bad - Battery critical LOW In this situation BIOS will shut down system, no message will be shown before "Equipment Configuration Error") Memory Error at offset: nnnn DIMM System board System battery is specified...
... BIOS Update Code Mismatch 2. Incorrect password is dead - Thermal critical High In this situation BIOS will issue 4 short beeps then shut down system, not show . Keyboard error see "Keyboard or Auxiliary Input Device Check" on page 72. Shadow RAM Failed at offset... Settings" in Sequence Failure Fixed Disk Reconnect hard disk drive connector. System CMOS checksum bad - Battery critical LOW In this situation BIOS will shut down system, no message will be shown before "Equipment Configuration Error") Memory Error at offset: nnnn DIMM System board System battery is specified...
Aspire 7720 / 7720G Service Guide
Page 86
... BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test CPU bus-clock frequency Initialize Phoenix Dispatch Manager Warm start shut down Shadow system BIOS ROM Autosize cache Advanced configuration of chipset registers Load alternate registers with CMOS values Initialize interrupt vectors POST device initialization Chapter...
... BIOS shadow RAM failure on data bits xxxx of high byte of memory bus Test CPU bus-clock frequency Initialize Phoenix Dispatch Manager Warm start shut down Shadow system BIOS ROM Autosize cache Advanced configuration of chipset registers Load alternate registers with CMOS values Initialize interrupt vectors POST device initialization Chapter...
Aspire 7720 / 7720G Service Guide
Page 90
... 4 The system doesn't power-off or on, but system runs correctly Reconnect the inverter board Inverter board System board Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn't power-on page 73.
... 4 The system doesn't power-off or on, but system runs correctly Reconnect the inverter board Inverter board System board Power-Related Symptoms Symptom / Error Power shuts down during operation The system doesn't power-on page 73.
Aspire 7720 Series User's Guide EN
Page 14
... • Do not expose the computer to take care of the following: • Use the Windows shutdown command Click on Start then click on Shut Down. • Use the power button You can also put the computer in should not exceed the fuse rating. If you cannot power off the...ºC (32 ºF) or above 50 ºC (122 ºF). • Do not subject the computer to magnetic fields. • Do not expose the computer to shut down the computer. Also, the total current rating of it . • Never place the computer on again, wait at least two seconds before powering up.
... • Do not expose the computer to take care of the following: • Use the Windows shutdown command Click on Start then click on Shut Down. • Use the power button You can also put the computer in should not exceed the fuse rating. If you cannot power off the...ºC (32 ºF) or above 50 ºC (122 ºF). • Do not subject the computer to magnetic fields. • Do not expose the computer to shut down the computer. Also, the total current rating of it . • Never place the computer on again, wait at least two seconds before powering up.
Aspire 7720 Series User's Guide EN
Page 68
..., the recommended course of action depends on the computer and resume work . You have no spare battery pack. 1. Close all applications. 3. Shut down the operating system to turn off the computer. 4. Turn off the computer. An extra fully charged battery pack is unavailable. Replace the... outlet is available. 1. Data will be lost if the battery to the mains power supply. 2. Resume work . Save all necessary files. 2. Shut down . English Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. Save all necessary files. 3. Turn on ...
..., the recommended course of action depends on the computer and resume work . You have no spare battery pack. 1. Close all applications. 3. Shut down the operating system to turn off the computer. 4. Turn off the computer. An extra fully charged battery pack is unavailable. Replace the... outlet is available. 1. Data will be lost if the battery to the mains power supply. 2. Resume work . Save all necessary files. 2. Shut down . English Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. Save all necessary files. 3. Turn on ...
Aspire 7720 Series User's Guide EN
Page 86
... in Sleep mode. To bring the computer out of Sleep mode, open files. 2 Remove any media, floppy disks or compact disks from the drive(s). 3 Shut down the computer: Click on Start, Turn Off Computer, then click on Turn Off (Windows XP). Or: You can now safely take the computer anywhere... you may choose to shut down the computer. 4 Close the display cover. 5 Disconnect the cord from your computer. Moving around or traveling with your office desk to a meeting room. ...
... in Sleep mode. To bring the computer out of Sleep mode, open files. 2 Remove any media, floppy disks or compact disks from the drive(s). 3 Shut down the computer: Click on Start, Turn Off Computer, then click on Turn Off (Windows XP). Or: You can now safely take the computer anywhere... you may choose to shut down the computer. 4 Close the display cover. 5 Disconnect the cord from your computer. Moving around or traveling with your office desk to a meeting room. ...
Aspire 7720 Series User's Guide EN
Page 91
... again and press . • When the User Password is set and the password on the computer again, and try again. You have three chances to shut down the computer. Then turn on boot parameter is enabled, a prompt appears at boot-up . • Type the User Password and press to enter the...
... again and press . • When the User Password is set and the password on the computer again, and try again. You have three chances to shut down the computer. Then turn on boot parameter is enabled, a prompt appears at boot-up . • Type the User Password and press to enter the...