Dell 1G155 manual Allow the testing to complete, Specific problem is identified, User’s Guide

S y s t e m L i g h t	C o d e s (continued)
Power Light	Hard-Drive Light	Cause	Corrective Action
Solid yellow	N/A	The Dell Diagnostics is running a	If the Dell Diagnostics is running,
		test, or a device on the system board	allow the testing to complete.
		may be faulty or incorrectly installed.	Check the diagnostic lights to see if
			the specific problem is identified.
			Also, see "System Board Problems" in
			the User’s Guide.
			If the computer does not boot,
			contact Dell for technical assistance.
Blinking yellow	Blank	A power supply or system board	Check the diagnostic lights to see if
		failure exists.	the specific problem is identified. See
			"Power Problems" and "System Board
			Problems" in the User’s Guide.

Blinking yellow Solid green A system board failure exists.

Check the diagnostic lights to see if the specific problem is identified. Also, see "System Board Problems" in the User’s Guide.

Solid green and a N/A	A problem was detected while the
beep code during	BIOS was executing.
POST

See "Beep Codes" on page 49 for instructions on diagnosing the beep code. Also, check the diagnostic lights to see if the specific problem is identified.

Solid green power	N/A	The monitor or the graphics card may	Check the diagnostic lights to see if
light and no beep		be faulty or incorrectly installed.	the specific problem is identified.
code and no video			Also, see "Video Problems" in the
during POST			User’s Guide.
Solid green power	N/A	An integrated system board device	Check the diagnostic lights to see if
light and no beep		may be faulty.	the specific problem is identified. If
code but the			the problem is not identified, contact
computer locks up			Dell for technical assistance.
during POST

Setup and Quick Reference Guide

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