Dell 755 manual 346, Power Light Problem Description

Power Light Problem Description Suggested Resolution

Blinks green several	A configuration error exists.
times and then
turns off
Solid yellow	The Dell Diagnostics is running a
	test, or a device on the system board
	may be faulty or incorrectly installed.

Check the diagnostic lights to see if the specific problem is identified (see "Diagnostic Lights" on page 347).

If the Dell Diagnostics is running, allow the testing to complete.

If the computer does not boot, contact Dell for technical assistance (see "Contacting Dell" on page 370).

Blinking yellow	A power supply or system board
	failure has occurred.

See "Power Problems" on page 339.

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

POST

See "Beep Codes" on page 350 for instructions on diagnosing the beep code. Also, check the diagnostic lights to see if the specific problem is identified (see "Diagnostic Lights" on page 347).

Solid green power light and no beep code and no video during POST

Solid green power light and no beep code but the computer locks up during POST

The monitor or the graphics card may be faulty or incorrectly installed.

An integrated system board device may be faulty.

Check the diagnostic lights to see if the specific problem is identified (see "Diagnostic Lights" on page 347).

See "Video and Monitor Problems" on page 343.

Check the diagnostic lights to see if the specific problem is identified (see "Diagnostic Lights" on page 347). If the problem is not identified, contact Dell for technical assistance (see "Contacting Dell" on page 370).

346

Solving Problems