[SOLVED] Motherboard won't turn on when mounted in a case

Mar 27, 2022
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I have a system unit which won't turn on when the motherboard is mounted in its case. If I remove the board and place it on a wooden table, it turns to work fine but won't even power on when I assemble it back to its case. A friend told me to patch the case with Sellotape to avoid the motherboard touching the case. I have done all that but still the board won't power on in the case except on the table. Any help will be appreciated, thanks
 

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