Wont boot correctly
Typically, a system that won't pass POST (Power On Self Test) will beep in a pattern indicating what the problem is. Here's the beep codes for Dell systems:
Beep Codes
Possible Causes
Corrective Action
1 - 2
No video card detected
Reseat the video card
1 - 2 - 2 - 3
BIOS ROM checksum error
1 - 3 - 1 - 1
DRAM refresh error
Reseat the memory modules
1 - 3 - 1 - 3
8742 Keyboard Controller error
Reseat the keyboard connector
1 - 3 - 3 - 1
Memory defective or not present
Reseat the memory modules
1 - 3 - 4 - 1
RAM failure on line xxx
Reseat the memory modules
1 - 3 - 4 - 3
RAM failure on data bits xxx of low byte on memory bus
Reseat the memory modules
1 - 4 - 1 - 1
RAM failure on data bits xxx of high byte on memory bus
Reseat the memory modules
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