Aspire 7520 / 7520G User's Guide EN
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.... The battery can be charged and Do not use it to dangerous voltage points or other risks. The full performance of a new battery is damaged, cut or frayed • liquid was spilled into contact with the leaked fluids, rinse thoroughly with the supplied power supply cord set , make sure that are covered by the operating instructions, since improper adjustment of other controls may...
.... The battery can be charged and Do not use it to dangerous voltage points or other risks. The full performance of a new battery is damaged, cut or frayed • liquid was spilled into contact with the leaked fluids, rinse thoroughly with the supplied power supply cord set , make sure that are covered by the operating instructions, since improper adjustment of other controls may...
Aspire 7520 / 7520G User's Guide EN
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... LCD screen beside the easy-launch buttons. Note: Viewing the file requires Adobe Reader. Follow the instructions on how your computer can help you use Adobe Reader, access the Help and Support menu. For more productive, please refer to thank you to complete the installation. If Adobe Reader is available in Portable Document Format (PDF) and comes preloaded on AcerSystem User's Guide will run the Adobe Reader setup...
... LCD screen beside the easy-launch buttons. Note: Viewing the file requires Adobe Reader. Follow the instructions on how your computer can help you use Adobe Reader, access the Help and Support menu. For more productive, please refer to thank you to complete the installation. If Adobe Reader is available in Portable Document Format (PDF) and comes preloaded on AcerSystem User's Guide will run the Adobe Reader setup...
Aspire 7520 / 7520G User's Guide EN
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... open Windows power options by clicking the appropriate tabs. View and adjust settings for configuring your computer to use. 5 Click "OK" to adjust system settings like LCD brightness and CPU speed. Using power plans Acer ePower Management comes with three predefined power plans: Balanced, High performance and Power saver. To switch between , edit, delete and restore power plans, as required. Empowering Technology 4 Acer ePower Management Acer ePower Management features a straightforward user interface for On Battery and Plugged In modes...
... open Windows power options by clicking the appropriate tabs. View and adjust settings for configuring your computer to use. 5 Click "OK" to adjust system settings like LCD brightness and CPU speed. Using power plans Acer ePower Management comes with three predefined power plans: Balanced, High performance and Power saver. To switch between , edit, delete and restore power plans, as required. Empowering Technology 4 Acer ePower Management Acer ePower Management features a straightforward user interface for On Battery and Plugged In modes...
Aspire 7520 / 7520G User's Guide EN
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...) key travel Seamless touchpad with 4-way scroll button 12 function keys, four cursor keys, two Windows® keys, hotkey controls, standard numeric keypad, international language support, independent US and Euro dollar sign keys, media control keys Empowering Key Easy-launch buttons: WLAN, Internet, email, Bluetooth, Acer Arcade™ Volume wheel ExpressCard™/54 slot 5-in-1 card reader (SD™, MMC, MS, MS PRO, xD) Four USB 2.0 ports DVI-D port with HDCP support (for selected models) IEEE 1394 port Consumer infrared (CIR) port External display (VGA) port S-video/TV...
...) key travel Seamless touchpad with 4-way scroll button 12 function keys, four cursor keys, two Windows® keys, hotkey controls, standard numeric keypad, international language support, independent US and Euro dollar sign keys, media control keys Empowering Key Easy-launch buttons: WLAN, Internet, email, Bluetooth, Acer Arcade™ Volume wheel ExpressCard™/54 slot 5-in-1 card reader (SD™, MMC, MS, MS PRO, xD) Four USB 2.0 ports DVI-D port with HDCP support (for selected models) IEEE 1394 port Consumer infrared (CIR) port External display (VGA) port S-video/TV...
Aspire 7520 / 7520G User's Guide EN
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... (non-system) disk in Sleep mode. Look at the volume control (speaker) icon on the icon and deselect the Mute all option. • The volume level may be low and unable to an external monitor. Nothing appears on the power, but the computer does not start or boot up. No audio is in the external USB floppy drive? If pressing a key does not turn the display back on page...
... (non-system) disk in Sleep mode. Look at the volume control (speaker) icon on the icon and deselect the Mute all option. • The volume level may be low and unable to an external monitor. Nothing appears on the power, but the computer does not start or boot up. No audio is in the external USB floppy drive? If pressing a key does not turn the display back on page...
Aspire 7520 / 7520G User's Guide EN
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... system configuration, or an application backup image to CD or DVD. 1 Press + or select Acer eRecovery Management from a previously created CD/DVD or reinstall applications and drivers. 4 Follow the instructions on screen to complete the process. You can also choose to recover the system from a factory default image, recover from the Empowering Technology toolbar to start Acer eRecovery Management. 2 Switch to the Burn Disc page by selecting the Burn Disc button...
... system configuration, or an application backup image to CD or DVD. 1 Press + or select Acer eRecovery Management from a previously created CD/DVD or reinstall applications and drivers. 4 Follow the instructions on screen to complete the process. You can also choose to recover the system from a factory default image, recover from the Empowering Technology toolbar to start Acer eRecovery Management. 2 Switch to the Burn Disc page by selecting the Burn Disc button...
Aspire 7520 / 7520G Service Guide
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... Description 1 Kensington lock slot Connects to a Kensington-compatible computer security lock. 2 External display (VGA) Connects to a display device (e.g., external port monitor, LCD projector). 3 DVI DVI-D port Supports digital video connections. 4 Ethernet (RJ-45) Connects to IEEE 1394 devices. 8 Volume control Increases and decreases the volume. 9 5-in 75x54mm and 75x34mm sizes. Formerly code named "NEWCARD," Express Cards are third generation of PC cards, hot-swapable and maller than previous PC Cards. Express Cards come in -1 card reader Accepts Secure Digital...
... Description 1 Kensington lock slot Connects to a Kensington-compatible computer security lock. 2 External display (VGA) Connects to a display device (e.g., external port monitor, LCD projector). 3 DVI DVI-D port Supports digital video connections. 4 Ethernet (RJ-45) Connects to IEEE 1394 devices. 8 Volume control Increases and decreases the volume. 9 5-in 75x54mm and 75x34mm sizes. Formerly code named "NEWCARD," Express Cards are third generation of PC cards, hot-swapable and maller than previous PC Cards. Express Cards come in -1 card reader Accepts Secure Digital...
Aspire 7520 / 7520G Service Guide
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... computer's controls like screen brightness, volume output, and the BIOS utility. Chapter 1 15 it opens the application's context menu. Hot Key + Icon Function Hot key help Description Displays help on hot keys. + Acer eSettings Launches the Acer eSettings in Acer eManager. + + Acer ePower Management Sleep Launches the Acer ePower Management in Sleep mode. To activate hot keys, press and hold the key before pressing the other keys to access most of function: + Activates next taskbar button. + Opens the My Computer window + Opens Help and Support. + Opens the Search...
... computer's controls like screen brightness, volume output, and the BIOS utility. Chapter 1 15 it opens the application's context menu. Hot Key + Icon Function Hot key help Description Displays help on hot keys. + Acer eSettings Launches the Acer eSettings in Acer eManager. + + Acer ePower Management Sleep Launches the Acer ePower Management in Sleep mode. To activate hot keys, press and hold the key before pressing the other keys to access most of function: + Activates next taskbar button. + Opens the My Computer window + Opens Help and Support. + Opens the Search...
Aspire 7520 / 7520G Service Guide
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... and/or bottom-right of the keyboard. Jumps to save power. To type: The Euro symbol 1. Please refer to www.microsoft.com/ typography/faq/faq12.htm for more information. 16 Chapter 1 Hot Key + + + Icon Function Display toggle Screen blank Touchpad toggle Description Switches display output between the display screen, external monitor (if connected) and both. Turns the internal touchpad on and off. + Speaker toggle Turns the speakers on and off...
... and/or bottom-right of the keyboard. Jumps to save power. To type: The Euro symbol 1. Please refer to www.microsoft.com/ typography/faq/faq12.htm for more information. 16 Chapter 1 Hot Key + + + Icon Function Display toggle Screen blank Touchpad toggle Description Switches display output between the display screen, external monitor (if connected) and both. Turns the internal touchpad on and off. + Speaker toggle Turns the speakers on and off...
Aspire 7520 / 7520G Service Guide
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... access. When set , this password protects the BIOS Setup Utility from unauthorized access. The user can not either enter the Setup menu nor change the value of parameters. If you forget your dealer to reset it. When user password is HDD Password Set Supervisor Password Set User Password Set HDD Password Password on Boot Description Shows the setting of the Supervisor password Shows the setting of parameters. Retype the password in the "Enter New Password" field. Press e. Press Enter to set the supervisor password. Press Enter to set the hard disk password...
... access. When set , this password protects the BIOS Setup Utility from unauthorized access. The user can not either enter the Setup menu nor change the value of parameters. If you forget your dealer to reset it. When user password is HDD Password Set Supervisor Password Set User Password Set HDD Password Password on Boot Description Shows the setting of the Supervisor password Shows the setting of parameters. Retype the password in the "Enter New Password" field. Press e. Press Enter to set the supervisor password. Press Enter to set the hard disk password...
Aspire 7520 / 7520G Service Guide
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... Set Supervisor Password box appears: 2. Type the current password in the Enter New Password and Confirm New Password fields. If the verification is complete after the user presses u. When you have changed the settings, press u to save the changes and exit the BIOS Setup Utility. Retype the password in the Confirm New Password field. 4. Removing a Password Follow these steps: 1. Press e. Use the w and y keys to "Clear". 4. The password setting is OK, the screen will show you can enable...
... Set Supervisor Password box appears: 2. Type the current password in the Enter New Password and Confirm New Password fields. If the verification is complete after the user presses u. When you have changed the settings, press u to save the changes and exit the BIOS Setup Utility. Retype the password in the Confirm New Password field. 4. Removing a Password Follow these steps: 1. Press e. Use the w and y keys to "Clear". 4. The password setting is OK, the screen will show you can enable...
Aspire 7520 / 7520G Service Guide
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... from unauthorized use. Parameter Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Description Exit System Setup and save your changes to CMOS. F9 Setup Defaults F10 Save and Exit 50 Chapter 2 F1 Help Esc Exit Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu The table below describes the parameters in this screen. Information Main InsydeH20 Setup Utility Security Advanced Boot Exit...
... from unauthorized use. Parameter Exit Saving Changes Exit Discarding Changes Load Setup Defaults Discard Changes Save Changes Description Exit System Setup and save your changes to CMOS. F9 Setup Defaults F10 Save and Exit 50 Chapter 2 F1 Help Esc Exit Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu The table below describes the parameters in this screen. Information Main InsydeH20 Setup Utility Security Advanced Boot Exit...
Aspire 7520 / 7520G Service Guide
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Remove the Disassembling the ODD Module 1. Then remove the optical bracket from the optical disk drive. 70 Chapter 3 Turn over the HDD module and remove the three screws fastening the HDD board. 2. Disassembling the External Modules Disassembling the HDD Module 1. Turn over the HDD module and remove the eight screws fastening the HDD bracket. 4. Remove the three screws holding the optical bracket. 2. Remove the HDD board. 3.
Remove the Disassembling the ODD Module 1. Then remove the optical bracket from the optical disk drive. 70 Chapter 3 Turn over the HDD module and remove the three screws fastening the HDD board. 2. Disassembling the External Modules Disassembling the HDD Module 1. Turn over the HDD module and remove the eight screws fastening the HDD bracket. 4. Remove the three screws holding the optical bracket. 2. Remove the HDD board. 3.
Aspire 7520 / 7520G Service Guide
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... RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. CPU BIOS Update Code Mismatch 2. Unlock key switch Unlock external keyboard Monitor type does not match CMOS - Keyboard Controller Failed see "Keyboard or Auxiliary Input Device Check" on page 72. Battery critical LOW In this situation BIOS will shut down system, no message will show message. Hard disk drive System board Stuck Key see "Keyboard or Auxiliary Input Device Check" on page 72. Run Setup Run "Load Default Settings" in BIOS Setup Utility. Keyboard locked - Error Message List Error...
... RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system. CPU BIOS Update Code Mismatch 2. Unlock key switch Unlock external keyboard Monitor type does not match CMOS - Keyboard Controller Failed see "Keyboard or Auxiliary Input Device Check" on page 72. Battery critical LOW In this situation BIOS will shut down system, no message will show message. Hard disk drive System board Stuck Key see "Keyboard or Auxiliary Input Device Check" on page 72. Run Setup Run "Load Default Settings" in BIOS Setup Utility. Keyboard locked - Error Message List Error...
Aspire 7520 / 7520G Service Guide
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... reboot system. Error Message List Error Messages Real time clock error Previous boot incomplete - Cache disabled CPU ID: DMA Test Failed Software NMI Failed Fail-Safe Timer NMI Failed Device Address Conflict Allocation Error for device Failing Bits: nnnn Fixed Disk n Invalid System Configuration Data I/O device IRQ conflict Operating system not found by POST differed from CMOS Diskette drive A error Incorrect Drive A type - RTC battery System board DIMM BIOS ROM System board None BIOS ROM System board Run "Load Default Settings" in BIOS Setup Utility. run SETUP...
... reboot system. Error Message List Error Messages Real time clock error Previous boot incomplete - Cache disabled CPU ID: DMA Test Failed Software NMI Failed Fail-Safe Timer NMI Failed Device Address Conflict Allocation Error for device Failing Bits: nnnn Fixed Disk n Invalid System Configuration Data I/O device IRQ conflict Operating system not found by POST differed from CMOS Diskette drive A error Incorrect Drive A type - RTC battery System board DIMM BIOS ROM System board None BIOS ROM System board Run "Load Default Settings" in BIOS Setup Utility. run SETUP...
Aspire 7520 / 7520G Service Guide
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... devices Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled Test for unexpected interrupts Initialize POST display service Display prompt "Press F2 to enter SETUP" Disable CPU cache Test RAM between 512 and 640 KB Test extended memory Test extended memory address lines Jump to User Patch1 Configure advanced cache registers Initialize Multi Processor APIC Enable external and CPU caches Setup...
... devices Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled Test for unexpected interrupts Initialize POST display service Display prompt "Press F2 to enter SETUP" Disable CPU cache Test RAM between 512 and 640 KB Test extended memory Test extended memory address lines Jump to User Patch1 Configure advanced cache registers Initialize Multi Processor APIC Enable external and CPU caches Setup...
Aspire 7520 / 7520G Service Guide
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... the CPU Initialize the system timer Initialize system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type Initialize Memory size Shadow Boot Block System memory test Initialize interrupt vectors Initialize Run Time Clock Initialize video Initialize System Management Mode Output one beep before boot Boot to Mini DOS Clear Huge Segment Boot...
... the CPU Initialize the system timer Initialize system I/O Check force recovery boot Checksum BIOS ROM Go to BIOS Set Huge Segment Initialize Multi Processor Initialize OEM special code Initialize PIC and DMA Initialize Memory type Initialize Memory size Shadow Boot Block System memory test Initialize interrupt vectors Initialize Run Time Clock Initialize video Initialize System Management Mode Output one beep before boot Boot to Mini DOS Clear Huge Segment Boot...
Aspire 7520 / 7520G Service Guide
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...the LCD connectors. LCD inverter ID LCD cable LCD inverter LCD System board Reconnect the LCD connector LCD inverter ID LCD cable LCD inverter LCD System board LCD inverter ID LCD inverter LCD cable LCD System board Indicator-Related Symptoms Symptom / Error Action in Sequence Power source (battery pack and power adapter). Keyboard (if contrast and brightness function key doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in Sequence Enter BIOS Utility to execute "Load Setup Default Settings", then reboot...
...the LCD connectors. LCD inverter ID LCD cable LCD inverter LCD System board Reconnect the LCD connector LCD inverter ID LCD cable LCD inverter LCD System board LCD inverter ID LCD inverter LCD cable LCD System board Indicator-Related Symptoms Symptom / Error Action in Sequence Power source (battery pack and power adapter). Keyboard (if contrast and brightness function key doesn't work LCD is too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Unreadable LCD screen Missing pels in Sequence Enter BIOS Utility to execute "Load Setup Default Settings", then reboot...
Aspire 7520 / 7520G Service Guide
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... Battery Pack" on page 75. LCD cover switch System board See "Save to execute "Load Default Settings, then reboot system. The system doesn't resume from standby mode after closing the LCD The system doesn't resume from the keyboard) Hard disk drive System board Press Fn+oand see if the computer enters hibernation mode. Power-Related Symptoms Symptom / Error Battery can't be charged Action in Sequence Enter BIOS Setup Utility to Disk (S4)" on page 45. Touchpad Keyboard Hard disk connection board Hard disk drive System board...
... Battery Pack" on page 75. LCD cover switch System board See "Save to execute "Load Default Settings, then reboot system. The system doesn't resume from standby mode after closing the LCD The system doesn't resume from the keyboard) Hard disk drive System board Press Fn+oand see if the computer enters hibernation mode. Power-Related Symptoms Symptom / Error Battery can't be charged Action in Sequence Enter BIOS Setup Utility to Disk (S4)" on page 45. Touchpad Keyboard Hard disk connection board Hard disk drive System board...
Aspire 7520 / 7520G Service Guide
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... no error is detected, replace the FRU. Rerun the test to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. If any error is detected, do the following: 1. Run the advanced diagnostic test for the system board in loop mode at least 10 times. 2. Chapter 4 87 If no more errors. Intermittent Problems Intermittent system hang problems can...
... no error is detected, replace the FRU. Rerun the test to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. If any error is detected, do the following: 1. Run the advanced diagnostic test for the system board in loop mode at least 10 times. 2. Chapter 4 87 If no more errors. Intermittent Problems Intermittent system hang problems can...
