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Sounds like you mother board is the problem.
Did you drop it, add memory.......
1 short DRAM refresh failure CH000996
2 short Parity circuit failure CH000607
3 short Base 64K RAM failure CH000996
4 short System timer failure CH000607
5 short Process failure CH000607
6 short Keyboard controller Gate A20 error CH000383
7 short Virtual mode exception error CH000607
8 short Display memory Read/Write test failure CH000607
9 short ROM BIOS checksum failure CH000607
10 short CMOS shutdown Read/Write error CH000239
11 short Cache Memory error CH000607
1 long, 3 short Conventional/Extended memory failure CH000996
1 long, 8 short Display/Retrace test failed CH000607
2 short beeps and 1 long beep (repeats 5 times) Unable to initialize video or video card required but not installed. if you have a video board add on card, reseat after unplugging power cord. If built in, time for new computer
5 Short Beeps Your motherboard is complaining. Try re-seating the memory and
rebooting. If that doesn't help, you should consider another
motherboard. You could probably get away with just replacing the CPU,
but that's not too cost-effective. Its just time to upgrade!
1 BeepA single beep from an AMI based BIOS means there has been
a memory refresh timer error. The solution is often to replace the RAM
in the computer.
A long beep from AWARD is probably memory error.
1 short beep from AWARD bios & PhoenixBIOS and most others is a positive ok signal.
Without more information, it sounds like it is a memory problem. Remove the memory and see if it will boot to the BIOS/setup screen. If so and you have multiple memory sticks, put one in and try to boot. If that fails try the other.
Code Beeps POST Routine Description 16h 1-2-2-3 BIOS ROM checksum 20h 1-3-1-1 Test DRAM refresh 22h 1-3-1-3 Test 8742 Keyboard Controller 2Ch 1-3-4-1 RAM failure on address line xxxx* 2Eh 1-3-4-3 RAM failure on data bits xxxx* of low byte of memory bus 46h 2-1-2-3 Check ROM copyright notice 58h 2-2-3-1 Test for unexpected interrupts 98h 1-2 Search for option ROMs. One long, two short beeps on checksum failure. B4h 1 One short beep before boot
A solid amber power LED on a Dell System is indicative of a no post. There are 4 diagnostics LEDs on most Dell Towers (Either on the back marked ABCD, or on the front marked 1234) they can give more details of what the POST problem is.
Troubleshooting: Disconnect all external connections to tower except power, turn it on, see if the LED indications changed. If they change, then connect disconnected items one at a time till the failed item is found. If no change, the open tower, remove all PCI expansion cards, see if system will boot. If still no change, then most likely a motherboard failure. Take RAM out, see if you get a Beep error code when powered on, if no beeps, replace motherboard. If it does beep, try RAM modules one at a time, if it boots with 1 but not the other, replace the effected module. If no boot, with either replace MB
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