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Computer does not boot, 1 core fails in memtest

Poncho
By Poncho
in Troubleshooting
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Hey, I've been having an issue for the past two days now where the OS does not boot. It either restarts during boot or just freezes. The BIOS works fine. I couldn't run any live environments off the USB, other than memtest86. Running memtest, cores 0, 2 and 3 work fine. Running memtest with core 1 freezes the computer immediately after starting the test and I have to manually reboot. Is this likely a case of core 1 being dead?

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5 minutes ago, Poncho said:

Hey, I've been having an issue for the past two days now where the OS does not boot. It either restarts during boot or just freezes. The BIOS works fine. I couldn't run any live environments off the USB, other than memtest86. Running memtest, cores 0, 2 and 3 work fine. Running memtest with core 1 freezes the computer immediately after starting the test and I have to manually reboot. Is this likely a case of core 1 being dead?

Could be bent pins in the socket,or even broken,what are the specs,sounds like a old chip or a core i5 or i3 or pentium

   

PC Specs:Custom Built PC

CPU:AMD Ryzen 3 1200 GPU:Zotac GeForce GTX 1050 TI Mini RAM:Corsair Vengence 2400 MHz DDR4 Motherboard:ASUS Prime B350M-A AM4 Motherboard Case:Corsair 100R PSU:Corsair VS450 

Laptop Specs:Acer TravelMate 8472

CPU:Intel Core i5 560M Memory:2GB DDR3 CPU:Intel HD Graphics Case:Its a Laptop Motherboard:Laptop Motherboard

 

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It's an i5-6500 in an MSI Z170A PC MATE. Bent pins I doubt very much, this problem happened overnight and I hadn't taken the CPU out since I bought and installed it over a year ago. Visually looking at the socket I can't see any bent or broken pins.

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Probably RMA,or the core might have gotten disabled somehow and when Memtest86+ sees it,it cant do anything and hangs,check the BIOS

   

PC Specs:Custom Built PC

CPU:AMD Ryzen 3 1200 GPU:Zotac GeForce GTX 1050 TI Mini RAM:Corsair Vengence 2400 MHz DDR4 Motherboard:ASUS Prime B350M-A AM4 Motherboard Case:Corsair 100R PSU:Corsair VS450 

Laptop Specs:Acer TravelMate 8472

CPU:Intel Core i5 560M Memory:2GB DDR3 CPU:Intel HD Graphics Case:Its a Laptop Motherboard:Laptop Motherboard

 

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7 minutes ago, Poncho said:

Hah, I wish, warranty expired 2 months ago. I did go through the bios but I didn't see anything about disabling individual cores.

Best option is do a full CMOS reset then run memtest again, if the core still fails after that then it likely is broken.

Main Rig:-

Ryzen 7 3800X | Asus ROG Strix X570-F Gaming | 16GB Team Group Dark Pro 3600Mhz | Corsair MP600 1TB PCIe Gen 4 | Sapphire 5700 XT Pulse | Corsair H115i Platinum | WD Black 1TB | WD Green 4TB | EVGA SuperNOVA G3 650W | Asus TUF GT501 | Samsung C27HG70 1440p 144hz HDR FreeSync 2 | Ubuntu 20.04.2 LTS |

 

Server:-

Intel NUC running Server 2019 + Synology DSM218+ with 2 x 4TB Toshiba NAS Ready HDDs (RAID0)

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