Aspire 7720 / 7720G Service Guide
Page 77
.... 3. Use the following procedure as possible. 2. LCD display problems or others). Obtain the failing symptoms in as much detail as a guide for computer problems. NOTE: The diagnostic tests are indicated. Symptoms cannot be re-created (intermittent problems). Go To "Power System Check" on page 73 "... page 87 "Undetermined Problems" on page 88 Chapter 4 71 POST does not complete. No beep or error codes are intended to go on or stay on screen. POST detects an error and displayed messages on ). Non-Acer products, prototype cards, or modified options can give false errors ...
.... 3. Use the following procedure as possible. 2. LCD display problems or others). Obtain the failing symptoms in as much detail as a guide for computer problems. NOTE: The diagnostic tests are indicated. Symptoms cannot be re-created (intermittent problems). Go To "Power System Check" on page 73 "... page 87 "Undetermined Problems" on page 88 Chapter 4 71 POST does not complete. No beep or error codes are intended to go on or stay on screen. POST detects an error and displayed messages on ). Non-Acer products, prototype cards, or modified options can give false errors ...
Aspire 7720 / 7720G Service Guide
Page 82
..., such as the way it has been configured. The most likely cause is not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. Some of them display information about a hardware device, e.g., the amount of the error messages occur during POST. NOTE: Perform the... FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part ...
..., such as the way it has been configured. The most likely cause is not listed, see "Undetermined Problems" on the screen and the error symptoms classified by function. Some of them display information about a hardware device, e.g., the amount of the error messages occur during POST. NOTE: Perform the... FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU replacement does not solve the problem, put the original part ...
Aspire 7720 / 7720G Service Guide
Page 92
... not work correctly Print problems. Serial or parallel port device problems. Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings", then reboot system. Press Fn+F5, LCD/CRT/Both display switching System board System board Ensure the "Parallel Port" in the Devices ...Keyboard System board Reconnect touchpad cable. Touchpad board System board Modem-Related Symptoms Symptom / Error Action in this list and the problem remains, see "Undetermined Problems" on page 88. 86 Chapter 4 Touchpad does not work. Modem phone port modem combo board System board NOTE: If you...
... not work correctly Print problems. Serial or parallel port device problems. Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings", then reboot system. Press Fn+F5, LCD/CRT/Both display switching System board System board Ensure the "Parallel Port" in the Devices ...Keyboard System board Reconnect touchpad cable. Touchpad board System board Modem-Related Symptoms Symptom / Error Action in this list and the problem remains, see "Undetermined Problems" on page 88. 86 Chapter 4 Touchpad does not work. Modem phone port modem combo board System board NOTE: If you...
Aspire 7720 Series User's Guide EN
Page 100
... the screen. while the notebook PC logo is a hardware configuration program built into your computer's BIOS. English 79 BIOS utility The BIOS utility is being displayed. Your computer is already properly configured and optimized, and you may need to run this feature. Password To set a password on boot: and use the... from the categories listed at the bottom of the screen. Boot sequence To set this value to enable this utility. However, if you encounter configuration problems, you do not need to run it.
... the screen. while the notebook PC logo is a hardware configuration program built into your computer's BIOS. English 79 BIOS utility The BIOS utility is being displayed. Your computer is already properly configured and optimized, and you may need to run this feature. Password To set a password on boot: and use the... from the categories listed at the bottom of the screen. Boot sequence To set this value to enable this utility. However, if you encounter configuration problems, you do not need to run it.
Aspire 7720 Series User's Guide EN
Page 120
... Notebook Manager hotkey 31 num lock 29 on indicator 25 numeric keypad embedded 30 P password 69 types 69 ports 71 printer troubleshooting 41 problems 40 CD-ROM 41 display 40 keyboard 41 printer 41 startup 40 troubleshooting 84 Q questions setting location for modem use 41 S safety CD or DVD 90 modem notices...
... Notebook Manager hotkey 31 num lock 29 on indicator 25 numeric keypad embedded 30 P password 69 types 69 ports 71 printer troubleshooting 41 problems 40 CD-ROM 41 display 40 keyboard 41 printer 41 startup 40 troubleshooting 84 Q questions setting location for modem use 41 S safety CD or DVD 90 modem notices...