User manual ACER VERITON S680G

[. . . ] 7 Handling electrostatic discharge-sensitive devices . . . . . . . . . . . . . . . . . . . . . . . . . 8 Grounding requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Safety notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] A down-level BIOS might cause false errors and unnecessary replacement of the system board. Use the following procedure to help determine the cause of the problem: 1. · Lookfordisplayederrorcodes 13 Hardware Maintenance Manual · Lookforreadableinstructionsoramainmenuonthedisplay. Look at the following conditions and follow the instructions: · IfthecomputerdisplaysaPOSTerror, goto"POST error codes". If you cannot continue, replace the last device tested. Problem determination tips Due to the variety of hardware and software combinations that can be encountered, use the following information to assist you in problem determination. If possible, have this information available when requesting assistance from Service Support and Engineering functions. · Machine type and model · Processor or hard disk upgrades · Failure symptom ­ Do diagnostics indicate a failure?­ If it has been working, what changes were made prior to it failing?· Diagnostics version ­ Type and version level · Hardware configuration ­ Print (print screen) configuration currently in use ­ BIOS level · Operating system software ­ Type and version level Note: To eliminate confusion, identical systems are considered identical only if they: 1. Are the exact machine type and models 2. Have the same setup for the operation system control files Comparing the configuration and software set-up between "working and non-working" systems will often lead to problem resolution. 14 Chapter 5. Using the Setup Utility Using the Setup Utility 5 The Setup Utility program is used to view and change the configuration settings of your computer, regardless of which operating system you are using. After the password is set, you may select the"Advanced"Menu for device setup. Using Device Device is used to enable or disable user access to the following device USB Setup When this feature is set to Disable, the device of USB Setup is disabled and will not be displayed in the system configuration. Start the Setup Utility program (see Starting the Setup Utility program on page 16). Return to the Setup Utility program menu and press F10 to save configuration changes and exit setup. Note If you do not want to save the settings, select Exit and select Discard changes and Exit. You can set others such as Audio Setup and Network Setup. See the information displayed on the right side of the screen. 18 Chapter 5. Using the Setup Utility Selecting a startup device If your computer does not start up (boot) from a device such as the CD-ROM, diskette, or hard disk as expected, use one of the following procedures to select a startup device. Selecting a temporary startup device Use this procedure to startup from any boot device. Note: If you are using a USB keyboard and the Startup Device Menu does not display using this method, repeatedly press and release the F12 key rather than leaving it pressed when turning on the computer. Select the desired startup device from the Startup Device Menu and press Enter to begin. Note: Selecting a startup device from the Startup Device menu does not permanently change the startup sequence. Selecting or changing the startup device sequence To view or permanently change the configured startup device sequence, do the following: 1. Start the Setup Utility program (see Starting the Setup Utility program on page 16). Select Quick Boot Mode, Num-lock or Startup Device Menu Prompt to set these devices. [. . . ] Disconnect the failing mouse cable from the computer and connect the new mouse cable to the same connector. 58 Chapter 8. Replacing hardware Replacing the power cord or power adapter Attention Do not remove the computer cover or attempt any repair before reading the "Important safety information" in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport. lenovo. com. To replace the power cord and power adapter: 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down the operating system, and turn off all attached devices and the computer. [. . . ]