Aspire 7720 / 7720G Service Guide
Page 83
... disabled. System CMOS checksum bad - CPU BIOS Update Code Mismatch 2. Thermal critical High In this situation BIOS will issue 4 short beeps then shut down system, not show . Hard disk drive System board Stuck Key see "Keyboard or Auxiliary Input Device Check" on page 72. Run Setup...System timer error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. 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 ...
... disabled. System CMOS checksum bad - CPU BIOS Update Code Mismatch 2. Thermal critical High In this situation BIOS will issue 4 short beeps then shut down system, not show . Hard disk drive System board Stuck Key see "Keyboard or Auxiliary Input Device Check" on page 72. Run Setup...System timer error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. 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 ...
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
.... 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. Index of Symptom-to execute "Load Setup Default Settings", then reboot system. Action in Sequence...
.... 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. Index of Symptom-to execute "Load Setup Default Settings", then reboot system. Action in Sequence...
Aspire 7720 Series User's Guide EN
Page 14
... water or any liquid on the computer. • Do not subject the computer to heavy shock or vibration. • Do not expose the computer to shut down the computer. Carefully route the power cord and any cables away from foot traffic. • When unplugging the power cord, do any other device... AC adapter: • Do not connect the adapter to any 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. xiv To turn the power off...
... water or any liquid on the computer. • Do not subject the computer to heavy shock or vibration. • Do not expose the computer to shut down the computer. Carefully route the power cord and any cables away from foot traffic. • When unplugging the power cord, do any other device... AC adapter: • Do not connect the adapter to any 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. xiv To turn the power off...
Aspire 7720 Series User's Guide EN
Page 68
... necessary files. 2. Turn off the computer if you want to turn off the computer. Close all applications. 3. Replace the battery pack. 5. Shut down . English Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. Data will be lost if the battery ...to turn off the computer. 4. Shut down the operating system to become fully depleted and the computer shuts down the operating system to recharge the battery rapidly. Turn on your situation: Situation Recommended Action The ...
... necessary files. 2. Turn off the computer if you want to turn off the computer. Close all applications. 3. Replace the battery pack. 5. Shut down . English Warning: Connect the AC adapter as soon as possible after the battery-low warning appears. Data will be lost if the battery ...to turn off the computer. 4. Shut down the operating system to become fully depleted and the computer shuts down the operating system to recharge the battery rapidly. Turn on your situation: Situation Recommended Action The ...
Aspire 7720 Series User's Guide EN
Page 86
... any open the display; 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). then press and release the power button. Disconnecting from...
... any open the display; 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). then press and release the power button. Disconnecting from...
Aspire 7720 Series User's Guide EN
Page 91
...-up . • Type the User Password and press to use the computer. Then turn on boot parameter is set, a prompt appears when you fail to shut down the computer. You have three chances to access the BIOS utility. Try again and press . • When the User Password is set passwords using...
...-up . • Type the User Password and press to use the computer. Then turn on boot parameter is set, a prompt appears when you fail to shut down the computer. You have three chances to access the BIOS utility. Try again and press . • When the User Password is set passwords using...