is anyone help...i have x460-g2-48p and x440-g2-24p and both are in stacking... but x460 switch failed 4 times,,i rasied request from RMA i got new switch and configured the same, its working for one month then again failed.. this issue happen 4 times with switch 460..still going on...not sure what is the issue..i check the power coming from dedicated UPS...after switch failure only mgmt,fan.p1,p2 led blinking...other port led not blinking..also switch FAN not moving, when i connect this fan on anther switch its working..this issue happen with all four switch same incident...it can possible due to staking, even os version same in both x460 and 440, only port difference,,please help..if any one have an idea..