Dell GX240 User's Guide - Page 206

www.dell.com | support.dell.com Solid green power light with The monitor or the no beep code and no video graphics card may be duing POST faulty. Solid green power light and An integrated system no beep code but the board device may be computer locks up during faulty. POST See "Video and Monitor Problems" If the monitor is operating properly and is correctly connected, see "Getting Help" for instructions on obtaining technical assistance. See "Getting Help" for instructions on obtaining technical assistance. Back Panel Lights When you turn on your computer, it performs a power-on self-test (POST), which is a series of self-diagnostic checks. A successful POST ends with a single beep that signifies the start of normal operation. If the computer fails to emit the single beep or appears to stop responding during POST, a series of lights located at the rear of the computer can help you understand which POST test failed or why the computer stopped responding. These lights indicate problems encountered during POST only, not during normal operation. CAUTION: Before servicing any components inside your computer, see "CAUTION: Safety Instructions." The light patterns described in the following table can help you determine what to do to resolve the problem. If a problem resolution requires you to open the computer chassis, see "Finding Solutions" for procedures you need to complete prior to performing the suggested resolution. If the problem persists after you perform the suggested problem resolution(s), contact Dell for further help. The following table lists the codes for the back panel diagnostic lights, gives their probable causes, and offers suggested corrective actions. The light patterns are shown as they appear on the back of the desktop chassis (vertical position). 204 Solving Problems