User manual ASUS WL-520GU

[. . . ] When the CPU is in place, push down the socket lever to secure the CPU. The lever clicks on the side tab to indicate that it is locked. (Refer to the documentation that came with the heatsink with fan and the motherboard user guide. ) 6. Connect the CPU fan power cable to the CPU fan connector on the motherboard. Socket CPU Small triangle Gold triangle Heatsink with fan 3 English English 3 Mount the motherboard Screws NOTE: The following procedure applies to most standard chassis. [. . . ] Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. 1. Screw the standoffs that came with your chassis into the appropriate screw holes on the chassis. Remove the temporary metal shield on the rear panel that covers the rear I/O slot opening. Install the rear I/O shield that came with the motherboard package. Orient the I/O shield such that the openings for the keyboard and mouse ports are aligned to the top of the chassis fan. Position the I/O side of the motherboard towards the chassis rear panel, matching the I/O ports to the openings of the I/O shield. Make sure that the underside of the motherboard is not touching the chassis, otherwise, a short circuit may occur. Mounting screws Standoffs Motherboard screw holes 4 4 Install hard disk and floppy drives 1. If installing two IDE hard disk drives on the same cable, set one device as "Master" and the other as "Slave. " Check the label on the IDE device for the jumper settings. Connect the floppy disk signal cable and power cable. If installing IDE hard disk drives, connect the IDE signal cable and power cable. The system may become unstable or may not boot up if the power is inadequate. 20-pin connector 4-pin connector 9 Connect the peripherals and accessories Power strip PS/2 Mouse AC Keyboard PS/2 Parallel Printer Digital Speakers S/PDIF IEEE 1394 Mobile HDD PDA cradle Serial RJ-45 Switch Hub Storage device USB Line in Tape recorder Microphone Mic VGA CRT Monitor Speakers Line Out DVI Flat Panel Monitor 9 English English 10 Power Up Turn on the power of the monitor, peripherals and system. If necessary, format your hard disk drive and install an operating system. NOTE: If you encounter any BIOS related problems, enter the BIOS setup by pressing <Del> during startup. To restore all BIOS settings to the default value, press <F5> and select Yes. Troubleshooting If you encounter any of the following conditions when powering up the system, try performing one of the possible solutions before calling for technical support. CONDITIONS PC won't start up PC starts up, but no display POSSIBLE SOLUTIONS · Check the power cord and make sure it is connected properly. · Make sure that the monitor is turned ON and properly connected to the graphics port. · Check the brightness and contract controls of the monitor, make sure it is turned up. · Shutdown the computer, disconnect the power cord, and make sure the graphics card is inserted properly in its expansion slot. · Check the memory modules and make sure they are of the correct type. · Make sure that the memory modules are properly inserted into the sockets. [. . . ] · Check the memory modules and make sure they are of the correct type. · Make sure that the memory modules are properly inserted into the sockets. · Make sure that you are using a tested and qualified memory module. See User Guide for the memory Qualified Vendors List (QVL). [. . . ]