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I was in the bios and I oc my ram to much I had thought it was a 3600 dim but when I looked it was actually a 3000 my system will not send an input to my screen so I can’t even get into bios do I need to buy new ram? Or am I screwed and the hole thing is bricked

Hi, What is the make and model number of the computer or the motherboard if it is a custom build? Most motherboards have a “clear or reset CMOS” option using header pin jumpers on the board to reset the BIOS back to its default values. Search online for (insert motherboard make and model number) user manual. Once you have the manual it should show the location of the BIOS reset. Another option if the motherboard has a removable coin cell battery, is to disconnect the power from the PSU and then remove (or disconnect) the CMOS coin cell battery. Then press and hold the Power ON button operated for a full 30 seconds and then release it, to try and reset the BIOS back to factory default settings. Then reinsert the coin cell battery, reconnect power to the PSU and try to turn it on Worth a try anyway.