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<blockquote data-quote="mm1352000" data-source="post: 706671" data-attributes="member: 82144">Hi thereThis is one ***strange*** problem <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused&nbsp; &nbsp; :confused:" loading="lazy" data-shortname=":confused:" />Since you have to isolate the card for it to partially work, there is clearly a grounding issue.- I wonder if the case is charged somehow - maybe one of the motherboard screws is outside an earth pad? Check that the DC and AC voltage on the case is 0V with a multimeter.- Alternatively, the cabling could be dodgy - loose/bad cable connector creating a small short from the inner conductor to the outer conductor. What type of connectors are on your cables - screwed on, pre-made, or crimped? Try another cable if you can.How powerful is the power supply (eg. 400W)?</blockquote>

[QUOTE="mm1352000, post: 706671, member: 82144"] Hi there This is one ***strange*** problem :S Since you have to isolate the card for it to partially work, there is clearly a grounding issue. - I wonder if the case is charged somehow - maybe one of the motherboard screws is outside an earth pad? Check that the DC and AC voltage on the case is 0V with a multimeter. - Alternatively, the cabling could be dodgy - loose/bad cable connector creating a small short from the inner conductor to the outer conductor. What type of connectors are on your cables - screwed on, pre-made, or crimped? Try another cable if you can. How powerful is the power supply (eg. 400W)? [/QUOTE]

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