No fan. main fan error

cpu fan was broken. I toke out cpu fan. I customized a fan using different power source. I worked about a week. But now when i turn it on.
" No TPM or TPM has problem"
"02FA: Main Fan Error!!"
"please turn off system and check your cpu fan!!"
Anyone can help me with this?
3 answers Last reply
More about main error
  1. get a cpu fan that runs from the correct source and reset bios
  2. I've only ever seen this on gateway laptops. Try booting it without the battery in it. If that works you battery may be dragging the voltage down. If that still doent work then it looks like you may have to replace the fan again.
  3. You can often tell the BIOS to ignore the CPU fan speed.
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