I have an amber light on LED A and a green light on LED B no light on LED C and a green light on LED D. I was wondering what that could mean I looked on all the troubleshooting pages at DELL but it has nothing for these lights.
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Re: LED trouble lights
The led lights you see is actually a diagnostic light which has an equivalent meaning there should be actually 4 led lights you see is it a yellow green green green pattern and this is at the back of your computer? if that is the case it could be an indication that there is a device inside your computer that is malfunctioning. you will have to strip down your computer. remove all that is connected to the motherboard (hard drive, cdrom, memory, expansion card if any) disconnect the mouse, keyboard and monitor as well. should you hear a beep or the light changed at the back it means your motherboard is good and the absence of memory is being reported by the beeping sound. try to connect the device one by one
now if you are referring to the light at the dell logo infront it is just a monitoring light to indicate if your computer is turned on and the right side light is whether your hard disk is doing an activity
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Hi! for most dell machines if the power led is orange its an indication of a issue with the ram, try to reseat the ram first.if that doesnt work normally for dimension 4600, there are diagnostic lights that are located at the back panel of the machine, they are four bicolor lights(amber and green) You can determine the exact problem by checking these lights and you can interpret them by going to this website: http://support.dell.com/support/edocs/systems/dim4600/en/4600i/sm/adtshoot.htm#1112886
hope this helps...
Power led on the front of the tower, it should be solid green when on. Flashing Amber is generally an indication of a bad power supply inside the tower
Power LED Solid AMBER indicates system is not finishing the power on self test (POST) and you remove all connections from the tower except power and try turning on again. If no change, remove all PCI and PCI-E cards from system, try again, no change replace motherboard.
On the back of the tower are 4 diagnostic LEDs near the ps2 ports marked ABCD, after the POST, during a normal boot the will flash in several sequences and with boot is finished all 4 should be green. If they stop an a different pattern, then that indicates a failure Yellow Yellow Green Green indicate bad RAM for example
If the LEDs on front and back are Green then the system appears to be booting but the monitor display is not functional
Steady amber power LED is indicative of a problem with the motherboard. Remove all external connections except power, remove all PCI Cards, ram, disconnect power from all drives, turn on see if power LED is still steady amber. If it is, more than likely the motherboard has a failure. Also check to see if the CPU heatsink is firmly seated (The plastic retainer has been known to fail causing the CPU to overheat)
Blinking Amber/yellow: Initial state of LED at power up. Indicates system has power, but the POWER_GOOD signal is not yet active. If the hard drive LED is off, it is probable that the power supply needs to be replaced. If the hard drive LED is on, it is probable that an onboard regulator or VRM has failed.
If you are referring the green or amber light on the front of the case, it could either be the power led or the hard drive activity led. If its the hard drive activity light, it usually just blinks when a program accesses the hard drive.