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Dell Precision 7540 and 7740 Owner's Thread

Discussion in 'Dell Latitude, Vostro, and Precision' started by djdigitalhi, Aug 13, 2019.

  1. Aaron44126

    Aaron44126 Notebook Prophet

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    No, that's the one.

    Strange. What you showed in Device Manager definitely indicates that the system is running in AHCI mode. In RAID mode, you would see the Intel RAID controller instead of the separate AHCI and NVMe controllers. Best I can come up with is, they must have changed the behavior with this system to not attach the drives to the RAID controller if there is no RAID array set up? (I've only personally messed with up through Precision 7X30.)

    Unfortunately I am not sure what to suggest next.
     
  2. jack574

    jack574 Notebook Evangelist

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    Hhhmm, ok, thanks anyway for your efforts - very much appreciated.

    Is it worth installing those drivers using that exe file?
     
  3. Aaron44126

    Aaron44126 Notebook Prophet

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    No, it won't do anything if your drives aren't attached to the Intel disk controller.
    Sort of a pain to troubleshoot issues like this which take a while to reproduce. I'm still worried about the drives or drive setup. Maybe try running for a while with one of the drives removed if you can get by with two out of the three?
     
  4. jack574

    jack574 Notebook Evangelist

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    Tbh I'd struggle to get by without either of the drives. Why do you ask that? Do you think it's related to the drives? One could have faulty hardware?
     
  5. Aaron44126

    Aaron44126 Notebook Prophet

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    Trying to come up with something to explain the hard lock that sort of doesn't come on immediately. A drive that stops responding would do it. I've run into this before (admittedly normally with traditional spinning HDDs going out; I've only had an SSD go out once but it did cause strange behavior). Bad memory normally causes an immediate lock or even BSOD's.
     
  6. jack574

    jack574 Notebook Evangelist

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    Is there a remote possibility it's software related and will be fixed in a windows update?? Or is that just clutching at straws....

    Thanks again!
     
  7. Aaron44126

    Aaron44126 Notebook Prophet

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    Doubting it. Hard lock is normally hardware or possibly a driver problem. If it was an OS issue due for patching then there would be other people complaining about it, and basically, an outrage directed at Microsoft.
     
  8. jack574

    jack574 Notebook Evangelist

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    I guess that's the problem with not getting the RAM and SSDs from Dell.... Can't hold them responsible for the system as a whole....

    Hopefully a driver update might fix it...

    Although I appreciate you've said it's most likely a hardware problem - I'm just in denial - don't think i can face dealing with that!

    Thanks again
     
  9. Aaron44126

    Aaron44126 Notebook Prophet

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    Memory — (I would always do this upon receiving a new system)
    Download MemTest86 and run it overnight. Or over a weekend if possible. Any error is bad.

    SSDs —
    Maybe pick up a regular old 3TB USB hard drive ($85), set it up with two partitions (1TB/2TB) and copy over the data currently on your Sabrent drives. Remove the Sabrent drives from the system. You can swap the drive letters around so that it "looks like" everything is in the same place as before. Yeah, it'll be yucky slow but it will still work and if you don't have any trouble for a few days you will know what is to blame.
     
  10. michaelbeijer

    michaelbeijer Newbie

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    So all of a sudden, on my brand new Precision 7740, the Esc key started sounding really rattly. Very annoying. Any idea why?
    I did have to open it up to get my RAM in when I bought it. Have I forgot a screw maybe? I'm wondering if I managed to get a crumb or speck of dust under it or something. I seems to have started today, all of a sudden. The FFW arrow key (top right key) is also a bit rattly, come to think of it.

    PS: I really like my 7740 so far, not quite as solidly built as my trusty old M6800, but all in all I like the new one more. Quite a bit of coil whine, but the cooling has been amazing so far. Keeps very cool and is extremely powerful with the i9-9980HK.

    Michael
     
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