Hi guys have a weird situtaion i have an unpatched which i am using for a year works fine.yesterday i removed its back cover and the silver cover inside to see if it needs cleaning but it was alright and i put it back toghter again but now the problem is its not going into rcm mode.when i put the jig and press the volume+ and power button the screen goes black like normaly would like its going in rcm mode but when i use the rcm loader to inject payload nothing happens and i have connected it to pc to tegrarcm gui but it doesnt detect it..can someone plz help me out whats going on.