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Thread: GPT or MBR

  1. #1
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    GPT or MBR

    Hi guys, i am about to install SSD to my ROG75VX and I am wondering which is better option while formatting new SSD, MBR or GPT partition before performing clean install of Win 8.1?

    Please share your opinion regarding pros\cons and Win 8.1 installation complexity while using GPT.

    Thanks,

  2. #2
    New ROGer Array Zygomorphic's Avatar
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    From a technical point of view, GPT is better, and I believe that Windows 8 supports it well. Windows 7 could support GPT, but didn't always like it. I'd recommend the GPT at this point.
    I am disturbed because I cannot break my system...found out there were others trying to cope! We have a support group on here, if your system will not break, please join!
    http://rog.asus.com/forum/group.php?groupid=16
    We now have 178 people whose systems will not break! Yippee!
    LINUX Users, we have a group!
    http://rog.asus.com/forum/group.php?groupid=23

  3. #3
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    Quote Originally Posted by Zygomorphic View Post
    From a technical point of view, GPT is better, and I believe that Windows 8 supports it well. Windows 7 could support GPT, but didn't always like it. I'd recommend the GPT at this point.
    Thanks I appreciate your opinion on this but are there any additional steps need to be followed like disable secure boot in BIOS and staff like that when first time mounting the new SSd and preparing for clean install?

  4. #4
    ROG Guru: Black Belt Array rewben PC Specs
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    for a new untouched ssd, w8.1 installation should take care of everything. it's pretty much straight forward.

    in the bios, disabling secureboot, disabling FastBoot, and enabling Launch CSM are important so that devices other than the OS drive can boot.

  5. #5
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    Quote Originally Posted by rewben View Post
    for a new untouched ssd, w8.1 installation should take care of everything. it's pretty much straight forward.

    in the bios, disabling secureboot, disabling FastBoot, and enabling Launch CSM are important so that devices other than the OS drive can boot.
    Excellent... Thanks mate

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    thinking of a ssd purchase / upgrade myself.
    I have a g75 vx, however I downgraded my os to win 7 pro.
    so, if I do install a ssd and want to use win 7 pro...is it best for me to install in mbr??

  7. #7
    ROG Guru: Black Belt Array rewben PC Specs
    rewben PC Specs
    Laptop (Model)G55VW-3D
    MotherboardASROCK Z97 EXTREME 6
    ProcessorINTEL 4790K
    Memory (part number)G.SKILL RIPJAWZ 2400MHZ (F3-19200CL10Q-32GBZHD)
    Graphics Card #1ASUS STRIX-GTX980-DC2OC-4GD5
    Graphics Card #2ASUS STRIX-GTX980-DC2OC-4GD5
    MonitorDELL U2713HM
    Storage #1SAMSUNG SM843 480GB X2
    Storage #2WD GREEN 3TB X2
    CPU CoolerSWIFTECH H240-X
    CaseNZXT H440
    Power SupplyTHERMALTAKE TOUGHPOWER XT PLATINUM 1275W
    Keyboard CORSAIR K70 RGB
    Mouse STEELSERIES KINZU V3
    Headset STEELSERIES 9H
    Mouse Pad STEELSERIES QCK+
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    Quote Originally Posted by skidoo View Post
    thinking of a ssd purchase / upgrade myself.
    I have a g75 vx, however I downgraded my os to win 7 pro.
    so, if I do install a ssd and want to use win 7 pro...is it best for me to install in mbr??
    both work fine for our laptops.

    if i remembered correctly, w7 defaults to mbr for fresh install to untouched ssd.

    if you wanna run the laptop in uefi mode, you need to:
    1. use disk management to make the new ssd a gpt disk first (in your current windows);
    2. use a uefi-compatible windows install media for the OS.

    in what mode does your current w7 pro run? if it's in uefi mode, then you will need gpt.

  8. #8
    New ROGer Array Zygomorphic's Avatar
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    Quote Originally Posted by skidoo View Post
    thinking of a ssd purchase / upgrade myself.
    I have a g75 vx, however I downgraded my os to win 7 pro.
    so, if I do install a ssd and want to use win 7 pro...is it best for me to install in mbr??
    Yes. That is correct.
    I am disturbed because I cannot break my system...found out there were others trying to cope! We have a support group on here, if your system will not break, please join!
    http://rog.asus.com/forum/group.php?groupid=16
    We now have 178 people whose systems will not break! Yippee!
    LINUX Users, we have a group!
    http://rog.asus.com/forum/group.php?groupid=23

  9. #9
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    running win 7 in legacy bios.
    so I will keep the ssd in mbr .
    thanks to both you and zygo for replies.
    Quote Originally Posted by rewben View Post
    both work fine for our laptops.

    if i remembered correctly, w7 defaults to mbr for fresh install to untouched ssd.

    if you wanna run the laptop in uefi mode, you need to:
    1. use disk management to make the new ssd a gpt disk first (in your current windows);
    2. use a uefi-compatible windows install media for the OS.

    in what mode does your current w7 pro run? if it's in uefi mode, then you will need gpt.

  10. #10
    ROG Guru: Black Belt Array rewben PC Specs
    rewben PC Specs
    Laptop (Model)G55VW-3D
    MotherboardASROCK Z97 EXTREME 6
    ProcessorINTEL 4790K
    Memory (part number)G.SKILL RIPJAWZ 2400MHZ (F3-19200CL10Q-32GBZHD)
    Graphics Card #1ASUS STRIX-GTX980-DC2OC-4GD5
    Graphics Card #2ASUS STRIX-GTX980-DC2OC-4GD5
    MonitorDELL U2713HM
    Storage #1SAMSUNG SM843 480GB X2
    Storage #2WD GREEN 3TB X2
    CPU CoolerSWIFTECH H240-X
    CaseNZXT H440
    Power SupplyTHERMALTAKE TOUGHPOWER XT PLATINUM 1275W
    Keyboard CORSAIR K70 RGB
    Mouse STEELSERIES KINZU V3
    Headset STEELSERIES 9H
    Mouse Pad STEELSERIES QCK+
    Headset/Speakers LOGITECH Z506
    OS WINDOWS 10 PRO AU
    Network RouterASUS RT-AC66U

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    no problem

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