Question RAM Cutting out, but working in separate motherboard

May 9, 2020
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Hello, I noticed my computer was crashing whenever I slightly bumped my desk or closed a drawer, and I noticed the LEDS on my corsair ram sticks would turn off when this happened, I started my diagnosis with the ram by cleaning the contact surfaces and air blowing the ram slots, this did not help anything as the issue persisted, I decided to plug the ram sticks into a separate pc that I built and the pc booted up just fine with no issues from the ram, but when transferred over to the other pc the issue persisted, is it safe to assume that the motherboard is bad and should be replaced? thanks.