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  • I Broke my PC

    Posted on bbearren Comment on the AskWoody Lounge

    Home Forums AskWoody support PC hardware I Broke my PC

    This topic contains 7 replies, has 3 voices, and was last updated by  anonymous 3 weeks, 6 days ago.

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    • #1840971 Reply

      bbearren
      AskWoody MVP

      For some time I have intended to upgrade the CPU on my Intel DH87RL motherboard from a Core i5 4670 to a Core i7 with multi-threading capability. Not that I really need it with my typical usage, I just wanted it. I settled on a Core i7 4770K after going through Intel’s compatibility wizards for the motherboard model and the CPU model. Compatible, but not really.

      After making the change, it would not boot. There were multiple courses of repeated HDD-activity-light-blinking in the same pattern, but no boot, no signal on the monitor. So I replaced the Core i7 with the original Core i5, and everything was back to normal. I did further research online and found a couple of posts on forums stating that since the DH87RL was not an unlocked board, the unlocked Core i7 4770K was not compatible. My experience seemed to support that conclusion to some degree.

      So I ordered a Core i7 4770 and tried that. I got basically the same results, a repeating pattern of blinking lights, no signal on the monitor, and no boot. Again I replaced the Core i5, but it still wouldn’t boot. It wouldn’t even POST. The only light that came on was the power indicator light. I checked all the drive connections and tried again, but no go. I checked all the power connections, and when I unplugged the 2 X 12 main power connector and plugged it back in, I could feel movement in the board itself that I’ve not felt before in any previous builds I’ve done.

      On the assumption that the motherboard might have developed an issue because of the inherent flexing of all my changing around of CPU’s, I ordered a replacement, another Intel DH87RL (they’re getting hard to find).  I also ordered a new case, since I wasn’t all that pleased with the mini-tower case I had. Once all my pieces arrived, I gutted my old case, put the new motherboard in the new case together with all the drives and other bits and pieces. I tried the Core i7 4770 first, but again, only got a repeating pattern of blinking lights on the front of the case, but no boot. I removed it and installed my Core i5, and it’s all good once again.

      There is no sign of a crack in the old motherboard, but it could be in the middle layer of the PCB and not visible from the outside.  I have an Intel DH87MC motherboard that I’m not using, and a mid-tower case my son bought and decided not to use, so now I’ve got almost enough spare parts to build a “bench” machine, one I can do all my slicing, dicing and splicing to Windows 10 without worries. I’m leaning in that direction.  About all I need is a PSU and some RAM.

      Create a fresh drive image before making system changes/Windows updates, in case you need to start over!
      "When you're troubleshooting, start with the simple and proceed to the complex."—M.O. Johns
      "Experience is what you get when you're looking for something else."—Sir Thomas Robert Deware

      • This topic was modified 8 months, 1 week ago by  bbearren.
    • #1841053 Reply

      zero2dash
      AskWoody Lounger

      Check for BIOS updates (with the i5 installed), typically those are the culprits and you need a BIOS update since those typically include new CPU revisions/microcode support.

      You don’t need an overclockable board to run a K processor; on a non-OC-able board, you just can’t OC and the CPU will run at stock speeds/settings.

      Again I would check for a BIOS update and install that with the i5 installed, and then do your minor teardown and put the i7 back in and see if it boots.

      Both the K and non-K variants are on the supported CPU list for that board.
      https://www.intel.com/content/dam/support/us/en/documents/boardsandkits/desktop-boards/DH87RL.pdf

      The latest/current BIOS is 0332…if your board(s) are not running that version, I would flash to that version and re-try the i7. https://www.intel.com/content/www/us/en/support/products/69044/boards-and-kits/desktop-boards/intel-desktop-boards-with-intel-h87-chipset/intel-desktop-board-dh87rl.html

      1 user thanked author for this post.
    • #1841152 Reply

      anonymous

      ? says:

      in the olden days when i upgraded processors i had to take out the cmos battery and ground the socket to clear the board. probably doesn’t work that way anymore?…

      • #2070728 Reply

        anonymous

        I’m with you there anon, I much preferred the older tech using motherboard jumpers, cables, wires and switches opposed to controlling everything via the BIOS..(edo ram – SDram era)

        Since 2015, m$ issuing microcode updates and bodgering about with uefi on their flagship flip flop blue screen stop drop, an enjoyable hobby is gone. I’m now back to building hornby train sets.

    • #1841283 Reply

      bbearren
      AskWoody MVP

      Other than my very first PC in the ’90’s and a Dell that I needed to buy after a house fire, I’ve built all of my PC’s.  The first thing I do is compatibility checks of all the components that I plan to use.

      I was already running 332 BIOS before I started.  I also said, “I settled on a Core i7 4770K after going through Intel’s compatibility wizards for the motherboard model and the CPU model.”

      This Intel site is where the wizards are found.  Intel says, both ways, that the two are compatible.  My motherboard and my CPU, however, say that they are not.  The further research I’ve done online on various forums also says that they are not.  Some give various reasons, but the bottom line is that they are incompatible, regardless of Intel’s wizards.

      Indeed, both the Core i7 4770 and the Core i7 4770K are listed as compatible, both ways.  The board is compatible with the CPU’s, the CPU’s are compatible with the board.  However, after having been there and done all that, I’m merely reporting the facts as they emerged in my experiences.

      And yes, I unplugged the CMOS battery to reset the BIOS, to no avail.

      Create a fresh drive image before making system changes/Windows updates, in case you need to start over!
      "When you're troubleshooting, start with the simple and proceed to the complex."—M.O. Johns
      "Experience is what you get when you're looking for something else."—Sir Thomas Robert Deware

      1 user thanked author for this post.
    • #2070437 Reply

      anonymous

      I’m having the same issue with two DH87RL’s that I purchased second hand. I upgraded the BIOS on both with an i5-4670K installed. Both boards boot fine with the 4670 installed however when I install an i5-4570 (I tried 2), I get no boot, one beep and nothing else, no POST. Re-install the 4670 and they boot fine. The i5-4570 is on Intel’s compatibility list for this board. Also worth mentioning is this board is an AA G74240-402. I was wondering if you found a solution to this problem.

      • #2084723 Reply

        bbearren
        AskWoody MVP

        No, I did not find a solution.  I do have an Intel DH87MC ATX board which is also supposed to be compatible, a midtower case and a PSU, but I haven’t taken the time to put them all together to see if that board will boot the Core i7 4770.

        Create a fresh drive image before making system changes/Windows updates, in case you need to start over!
        "When you're troubleshooting, start with the simple and proceed to the complex."—M.O. Johns
        "Experience is what you get when you're looking for something else."—Sir Thomas Robert Deware

        • #2087990 Reply

          anonymous

          Bummer. I’m thinking the 0332 BIOS has made the installed CPU at the time of the update the only one that will work forever after.

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