Dell Latitude 2100 Service Manual - Page 3

Back to Contents Page Diagnostics Dell™ Latitude™ 2100 Service Manual Diagnostic Light Codes Battery Light Codes No-POST Light Codes Diagnostic Light Codes Diagnostic lights are located in two areas of your computer: l Bottom left of the palm rest l Top right side of the keyboard 1 power light 3 battery light 5 numeric key light 7 scroll lock light 2 hard drive activity light 4 wireless networking activity light 6 caps lock light Battery Light Codes If your computer is connected to an electrical outlet, the light operates as follows: l Solid blue - The battery is charging. l Flashing blue - The battery is almost fully charged. l Fast flashing orange and then solid green - The battery is in temporary failure. l Fast flashing orange - The battery is in a fatal failure. If your computer is running on a battery, the light operates as follows: l Off - The battery is adequately charged, or the computer is turned off. l Flashing orange - The battery charge is low. l Solid orange - The battery charge is critically low. l Fast flashing orange and then solid green - The battery is in temporary failure. l Fast flashing orange - The battery is in a fatal failure. No-POST Codes The numeric key light, caps lock light, and scroll lock light are also used to diagnose issues that may occur in a no-POST scenario. Appearance ON-FLASH-FLASH Description Next Step 1. Install supported memory modules.