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Video card "bad enough" to not allow boot?

MichaelD

Lifer
Jan 16, 2001
31,528
3
76
Man, do I have problems. :\ MB in my sig had bad vdroop; system was randomly crashing and not rebooting. GPU in sig died completely and was RMA'd a few months back; I received a refurb that I thought was good. Fast forward--->

(Today) Replaced MB/CPU with new Gigabyte P43-ES3G/Q9550. System booted first time up, went into BIOS, set time, etc. No reboot. Fans spin, but no reboot UNLESS clear BIOS. That happened about 50x. Removed all but 1 stick of RAM, tried other troubleshooting stuff. Nothing. Even tried powering GPU off other set of rails on PSU (my PSU has two sets of rails). Same.

Swapped in old 8800GT, instant boot, no issues. :'( Could the 4870X2 be "good enough" to not totally crash the system but "bad enough" to cause these symptoms? Could the PCI-E slot not be giving enough juice for it? (I doubt it, but considering all possibilities.) Debating returning this MB for another one/brand/model. Everything seems to be pointing towards the 4870X2, but it was running fine in the rig in my sig.
 
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