0:00 Into 1:19 Trying To Back Up A Hard Drive 2:33 Using ddrescue to image the disk 3:16 ddrescue disk image checksum is wrong 3:44 Using dd to image the disk instead 4:34 dd disk image doesn't match either 5:20 Pay attention to block sizes 6:50 Getting the correct md5sum of the dd image 7:40 Bit flips in the ddrescue image! 9:12 Using XOR to highlight bit flips 9:38 Memtest shows memory error 12:12 Associating bit flips in hardware/software 13:46 Should you use dd or ddrescue? 14:36 Replacing the power supply 15:50 Finding which RAM sticks are bad 22:26 Improving cooling ventilation 23:06 Trying to buy replacement RAM 26:01 Using non-ECC memory wased so much time SOCIALS ---------------- Patreon: https://www.patreon.com/RobertElderSoftware?utm_source=yt&utm_medium=desc&utm_campaign=ytchannel&utm_content=0itrM7t4l34 Tiktok: https://www.tiktok.com/@roberteldersoftware Linkedin: https://linkedin.com/company/robert-elder-software Blog: https://blog.robertelder.org/?utm_source=yt&utm_medium=desc&utm_campaign=ytchannel&utm_content=0itrM7t4l34 Twitter: https://twitter.com/RobertElderSoft Twitch: https://www.twitch.tv/roberteldersoftware Github: https://github.com/RobertElderSoftware Facebook: https://www.facebook.com/RobertElderSoftware Instagram: https://www.instagram.com/roberteldersoftware/ Merch: https://store.robertelder.org/?utm_source=yt&utm_medium=desc&utm_campaign=ytchannel&utm_content=0itrM7t4l34