CPU Fan will not spin upon initial boot up

Hello all.
I have a bit of an issue with my very first home built system.

Upon initial boot up the CPU fan will not spin and BIOs does not appear.
The fan does however begin to spin after I kill the power.
I need some help from the community to figure this thing out. If I can clarify anything at all just let me know. Thank you in advance.

Critical Components

Power Supply
Thermaltake Purepower W0100RU 500W ATX 12V 2.0 Power Supply - Retail

Intel Core 2 Duo E8400 Wolfdale 3.0GHz LGA 775 65W Dual-Core Processor Model BX80570E8400 - Retail

Video Card
SAPPHIRE 100259-1GL Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail

GIGABYTE GA-EP45-UD3R LGA 775 Intel P45 ATX Intel Motherboard - Retail

G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model F2-8500CL5D-4GBPK - Retail
1 answer Last reply
More about spin initial boot
  1. Something is shorting. Does it give any beeps? Try just the CPU and mobo (outside the case) to see if the fan spins on power on.
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