Aspire 5320/5715/5715Z/5720/5720G/5720Z Service Guide
Page 78
... than one at a time to a controller, driver, or diskette. If the tests detect a keyboard problem, do the following one label attached to select the test device: 1. Replace the keyboard. 3. Replace the main board. If the keyboard cable connection is required. Do not replace a non-defective FRU: 1. System Check Procedures External Diskette Drive Check Do the following...
... than one at a time to a controller, driver, or diskette. If the tests detect a keyboard problem, do the following one label attached to select the test device: 1. Replace the keyboard. 3. Replace the main board. If the keyboard cable connection is required. Do not replace a non-defective FRU: 1. System Check Procedures External Diskette Drive Check Do the following...
Aspire 5320/5715/5715Z/5720/5720G/5720Z Service Guide
Page 83
...will show message. 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. System board Chapter 4 77 Index of Error Messages Error Code List Error Codes... in BIOS Setup Utility. Unlock key switch Unlock external keyboard Monitor type does not match CMOS - System timer error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system ...
...will show message. 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. System board Chapter 4 77 Index of Error Messages Error Code List Error Codes... in BIOS Setup Utility. Unlock key switch Unlock external keyboard Monitor type does not match CMOS - System timer error RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system ...