UEFI Bootable USB Flash Drive - Create in Windows

How to Create a Bootable UEFI USB Flash Drive for Installing Windows 7, Windows 8, or Windows 8.1

This tutorial will show you how to create a Windows 7 or Windows 8 or 8.1 installation bootable USB flash drive for UEFIfrom either a Windows 7 or Windows 8/8.1 installation ISO or DVD.

Requirements:
  • At least a 4GB USB flash drive
  • 64-bit Windows 7 ISO or DVD (If you want to install Windows 7)
  • 64-bit Windows 8 ISO or DVD (If you want to install Windows 8)
  • 64-bit Windows 8.1 ISO or DVD (If you want to install Windows 8.1)
  • 32-bit is not supported.
  • Set the boot mode to use UEFI and not CSM (Compatibility Support Module) in your UEFI firmware settings.
  • Temporarily disable Secure Boot in your UEFI firmware settings. Some motherboards will not boot from a USB unless you do this first. When the Windows installation is finished, you can enable secure boot if you like.
  • If you have fast boot or ultra-fast boot enabled in your UEFI firmware (if supported), then you may need to temporarily disable it until Windows has finished installing to be able to boot from a USB flash drive at boot.

EXAMPLE: UEFI Bootable USB Flash Drive
NOTE: This is it listed in the motherboard's boot menu.

UEFI_USB_Boot_Menu.jpg





OPTION ONE

To Create a Bootable UEFI USB Flash Drive using Free Program "Rufus"



1. Download the latest version of Rufus at the link below, and save it's .exe file to your desktop.

Note   Note
This is a standalone exe file that doesn't install anything to your PC
For Rufus FAQs, see: FAQ · pbatard/rufus Wiki · GitHub





Rufus - Create bootable USB drives the easy way



2. Connect your USB flash drive if you have not already.

3. Run the rufus_v###.exe file, and click/tap on Yes if prompted by UAC.
NOTE: ### = latest version number.

4. Set Rufus with the settings below: (see screenshot below step 5)


  • Under Device, select the USB flash drive you want to format and use.
  • Under Format Options, check Create a bootable disk using, click/tap on the browse icon icon.jpg to navigate to and select your 64-bit Windows 7 or Windows 8 or Windows 8.1 ISO file, and then make sure that Standard Windows installation is selected (dotted).
  • Under Partition scheme and target system type, select GPT partition scheme for UEFI computer.
  • Under File system, select FAT32.
  • Under Cluster size, select the (Default) (ex: 16 kilobytes or 4096 bytes) it has listed.
  • Under Format Options, check Quick format.
  • Under Format Options, check Create extended label and icon files.
  • Under New volume label, you can enter any name you like for the USB flash drive, or leave the default name.

5. When ready, click/tap on Start. (see screenshot below)


Rufus_UEFI.png


6. Click/tap on OK to confirm. (see screenshot below)

Rufus-confirm.jpg


7. Rufus will now start creating the bootable UEFI USB flash drive. (see screenshot below)

Rufus_working.jpg


8. When Rufus is "DONE", you can close Rufus. (see screenshot below)
NOTE: It could take a little while to finish.

Rufus_Done.jpg


9. You are now ready to do a clean install of Windows 7 or Windows 8/8.1 using UEFI with your bootable UEFI USB flash drive.






OPTION TWO

To Manually Create a Bootable UEFI USB Flash Drive



1. Connect the USB flash drive.

2. Open an elevated command prompt in Windows 7 or Windows 8/8.1.

3. In the elevated command prompt, type the commands below one at a time and press Enter after each one. (see screenshot below step 5)

  • diskpart
  • list disk

4. Make note of the Disk # (ex: Disk 4) for the USB flash drive. (see screenshot below step 5)

It is critical that you use the correct disk #. If you do not, then you could delete the wrong drive below and lose everything on it


5. In the elevated command prompt, type the commands below one at a time and press Enter after each one. (see screenshot below)
NOTE: Substitute # in the first command with the actual disk # from step 4 above. For example: select disk 4


  • select disk #
  • detail disk (this is to verify that you selected the correct disk before using "clean" below)
  • clean
  • create partition primary
  • format fs=fat32 quick
  • active
  • assign
  • list volume
  • exit

Create_UEFI_USB-1.jpg


6. Make note of the volume letter (ex: K) for the USB flash drive in the command prompt. (see screenshot above)

7. Do step 8, step 9, or step 10 below depending on if you are using a Windows 7/8/8.1 ISO or DVD.

warning   Warning
It has been reported that using the downloaded Windows 8 upgrade ISO does not always give you an UEFI bootable USB option in the boot menu.

If this happens to you, then use the ESD-TO-ISO.exe program created by our member Simon (SIW2) below to create an ISO that will work with UEFI. Afterwards, start this tutorial over using this new ISO instead.

See OPTION TWO here: Windows 8 and Windows 8.1 ISO - Download or Create

download






8. If Using a Windows 7 or Windows 8/8.1 ISO File in Windows 8
NOTE: For a Windows 7 ISO or Windows 8/8.1 ISO file.


A) Open File Explorer, navigate to the .iso file, right click or press and hold on the .iso file, then click/tap on Mount. (see screenshot below)



W8_ISO.jpg


B) The mounted .iso file will now automatically open. Select all files in it, right click or press and hold on the selected files, click/tap on Send to and the Removable Disk for your USB flash drive letter (ex: K) from step 6 above. (see screenshot below)



Copy.jpg


C) This could take a bit to copy the ISO contents to the USB.

D) When finished, go to step 11 below.

9. If Using a Windows 7 or Windows 8/8.1 ISO File in Windows 7
NOTE: For a Windows 7 ISO or Windows 8/8.1 ISO file.


A) If you have not already, you will need to download and install the latest alpha version of the free program 7-Zip.
NOTE: You can use any program that performs the same function to extract or mount an ISO, but I just find 7-Zip easier to use.

B) Open Windows Explorer, navigate to the .iso file, right click on the .iso file, then click on 7-Zip and Extract files. (see screenshot below)




W7_ISO-1.jpg


C) In the Extract dialog, click on the browse button, select the Removable Disk for your USB flash drive letter (ex: K) from step 6 above, and click on OK, and OK. (see screenshots below)



W7_ISO-2.jpg


D) This could take a bit to copy the ISO contents to the USB.

E) When finished, go to step 11 below.

10. If Using a Windows 7 or Windows 8/8.1 Installation DVD


A) Insert the Windows 7 or Windows 8 installation DVD into the CD/DVD drive.

B) In the Computer window, open the DVD. (see screenshot below)



DVD.jpg


C) Select all files in it, right click or press and hold on the selected files, click/tap on Send to and the Removable Disk for your USB flash drive letter (ex: K) from step 6 above. (see screenshot below)



Copy.jpg


D) This could take a bit to copy the DVD contents to the USB.

E) When finished, go to step 11 below.


11. If Using 64-bit Windows 7

Note   Note
Thanks to theog for this step

You do not need to do this step unless you are creating a 64-bit Windows 7 UEFI USB flash drive.

If you are not, then go to step 12 below instead.




A) On the USB flash drive, "copy" the efi\microsoft\boot folder up one level into the efi folder as efi\boot. (see screenshot below)



11A.jpg


B) If you have not already, download and install the latest alpha version of the free program 7-Zip, then run 7-Zip.

C) In 7-Zip, navigate to the sources\install.wim\1\Windows\Boot\EFI\bootmgfw.efi on the USB flash drive, select the bootmgfw.efi file, copy it to your desktop, click/tap on OK, and close 7-Zip. (see screenshot below)



7-Zip.jpg



D) Rename the bootmgfw.efi file on your desktop to bootx64.efi.


E) Copy/Move the renamed bootx64.efi file into the efi/boot folder (step 11A) on the USB flash drive.



efi-boot.PNG


F) Go to step 12 below.

12. You are now ready to do a clean install of Windows 7 or Windows 8/8.1 using UEFI with your bootable UEFI USB flash drive.






That's it,
Shawn


 

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Last edited by a moderator:
Nice one, Shawn.
 

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Thanks!!
 

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You're welcome Guys. Glad you like it. :)
 

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These tutorials are very useful and I send them to friends and family who have Win8 and are unfamiliar with this stuff...
 

My Computer

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    Home built Intel i7-3770k-based system
    CPU
    Intel i7-3770k, Overclocked to 4.6GHz (46x100) with Corsair H110i GT cooler
    Motherboard
    ASRock Z77 OC Formula 2.30 BIOS
    Memory
    32GB DDR3 2133 Corsair Vengeance Pro
    Graphics Card(s)
    GeForce GTX 980ti SC ACS 6GB DDR5 by EVGA
    Sound Card
    Creative Sound Blaster X-Fi Titanium HD, Corsair SP2500 speakers and subwoofer
    Monitor(s) Displays
    LG 27EA33 [Monitor] (27.2"vis) HDMI
    Screen Resolution
    1920x1080
    Hard Drives
    Samsung SSD 850 EVO 250GB (system drive)
    WD 6TB Red NAS hard drives x 2 in Storage Spaces (redundancy)
    PSU
    Corsair 750ax fully modular power supply with sleeved cables
    Case
    Corsair Air 540 with 7 x 140mm fans on front, rear and top panels
    Cooling
    Corsair H110i GT liquid cooled CPU with 4 x 140" Corsair SP "push-pull" and 3 x 140mm fans
    Keyboard
    Thermaltake Poseidon Z illuminated keyboard
    Mouse
    Corsair M65 wired
    Internet Speed
    85MBps DSL
    Browser
    Chrome and Edge
    Antivirus
    Windows Defender, MalwareBytes Pro and CCleaner Pro
    Other Info
    Client of Windows Server 2012 R2 10 PC's, laptops and smartphones on the WLAN.

    1GBps Ethernet ports
Great tutorial, hope to be using it soon.
 

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    GIGABYTE GA-Z77X UD3H f18
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    Samaung 840Pro 128GB, Seagate 500GB SATA2 7200rpm 32mb, Seagate 1TB SATA2 7200rpm 32mb,
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    Desktop: eSATA ports,
    External eSATA Seagate 500GB SATA2 7200rpm,
You can use the free version of Poweriso to create efi compatible flash from the installation iso.

Fat32 is a nuisance.

You may need to split your install.wim if you have updated it.

Strange to use such an old fashioned file system.
 

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My Computer

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    ME, XP,Vista,Win7,Win8,Win8.1
    Computer type
    PC/Desktop
    Other Info
    Notebooks x 3

    Desktops x 5

    Towers x 4
In step 11A,

copy the efi\microsoft\boot folder up one level into the efi folder as efi\boot

Do I do a copy or a cut?
 

My Computer

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    Windows 7 Home Premium 64-bit
    System Manufacturer/Model
    HP p6204y
    CPU
    2.7 GHz
    Motherboard
    IPIBL-LB (Benicia)
    Memory
    8 GB
    Graphics Card(s)
    Integrated
Hello Layback Bear,

You would copy it. :)
 

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    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO PRO M.2,
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
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    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
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    Logitech wireless K800
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    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
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    Malwarebyte Anti-Malware Premium
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    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Galaxy S23 Plus phone
Hi, Brink. Thanks very much. I successfully created a Windows 7 64-bit UEFI bootable flash drive, and I'll try it in a few days. This is yet another great source of info, just as SevenForums is. I love it here. :thumb:
 

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You're most welcome. Great news. :)
 

My Computer

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    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO PRO M.2,
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Galaxy S23 Plus phone
B) Having the free program 7-Zip installed, right click on the sources\install.wim file on the USB, and click/tap on 7-Zip and Open archive. (see screenshot below)​

C) In 7-Zip, navigate to and "Copy" the sources\install.wim\1\Windows\Boot\EFI\bootmgfw.egifile to your desktop, and close 7-Zip. (see screenshot below)​


D) Rename the bootmgfw.egi file on your desktop to bootx64.efi.


E) Copy/Move the renamed bootx64.efi file into the efi/boot folder (step 11A) on the USB.​
For my iso, I was unable to open '/sources/install.wim', but I found bootmgfw.efi at '/sources/boot.wim'.
 

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Hello Enkouyami, and welcome to Eight Forums.

Were you using the 7-Zip program to open '/sources/install.wim'?

What happened when you tried?
 

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    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO PRO M.2,
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Galaxy S23 Plus phone
Hello Enkouyami, and welcome to Eight Forums.

Were you using the 7-Zip program to open '/sources/install.wim'?



What happened when you tried?
It said "Can't open install.wim as archive"

*Edit*
If I have to use install.wim instead of boot.wim, can someone please upload their bootmgfw.efi file?
 

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Sorry, but posting the file is not allowed as it will violate Microsoft's distribution of copyrighted material policy.

Are you able to use "Extract Files" to extract the install.wim to a new folder on your desktop instead at step 11B, then proceed from there to get the bootmgfw.egi file?

It'll take a while to finish extracting though.
 
Last edited:

My Computer

System One

  • OS
    64-bit Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO PRO M.2,
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Galaxy S23 Plus phone
Thanks, worked flawlessly for both 7&8.
My new Samsumg 840Pro is setup with GPT and dual booting.
 

My Computer

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    Windows 8.1 Pro x64/ Windows 7 Ult x64
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    76~2.0
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    Intel Core i5-3570K 4.6GHz
    Motherboard
    GIGABYTE GA-Z77X UD3H f18
    Memory
    8GB (2X4GB) DDR3 1600 CORSAIR Vengeance CL8 1.5v
    Graphics Card(s)
    Sapphire HD 7770 Vapor-X 1GB DDR5
    Sound Card
    Onboard VIA VT2021
    Monitor(s) Displays
    22" LCD Dell SP2208WFP
    Screen Resolution
    1680x1050
    Hard Drives
    Samaung 840Pro 128GB, Seagate 500GB SATA2 7200rpm 32mb, Seagate 1TB SATA2 7200rpm 32mb,
    PSU
    Corsair HX650W
    Case
    Cooler Master Storm Scout
    Cooling
    Corsair H80 w/Noctua NF P12 12cm fan, case fans 2X14cm
    Keyboard
    Logitech Wave
    Mouse
    CM Sentinel
    Internet Speed
    Abysmal
    Browser
    Opera Next
    Other Info
    Dell Venue 8Pro: Baytrail Z3740D, 2GB Ram, 64GB HDD, 8" IPS Display 1280 x 800, Active Stylus.
    Haswell laptop: HP Envy 17t-j, i7-4700MQ, GeForce 740M 2GB DDR3, 17.3" Full HD 1920x1080, 16GB RAM, Samsung 840 Pro 128GB, 1TB Hitachi 7200 HDD,
    Desktop: eSATA ports,
    External eSATA Seagate 500GB SATA2 7200rpm,
Great news Dave. Thank you for posting your results. :)
 

My Computer

System One

  • OS
    64-bit Windows 10
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Custom self built
    CPU
    Intel i7-8700K OC'd to 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G7 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO PRO M.2,
    8TB WD MyCloudEX2Ultra NAS
    PSU
    OCZ Series Gold OCZZ1000M 1000W
    Case
    Thermaltake Core P3
    Cooling
    Corsair Hydro H115i
    Keyboard
    Logitech wireless K800
    Mouse
    Logitech MX Master 3
    Internet Speed
    1 Gb/s Download and 35 Mb/s Upload
    Browser
    Internet Explorer 11
    Antivirus
    Malwarebyte Anti-Malware Premium
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    APC SMART-UPS RT 1000 XL - SURT1000XLI,
    Galaxy S23 Plus phone
I'm really pissed off. I took over 2 houres just to figure something out. I've done EVERYTHING step by step in order to boot through a UEFI USB to install Windows 8 but it doesn't work at all. I started by creating correctly the UEFI USB in the dos prompt on a different computer using Win 7 64bit then copyed all files from the Win 8 DVD to my USB. Since it's to install it as a 64bit, I did the last step that required to put the folder 1 step above and open the Install.wim for 1 file.. then I plug in my usb key, press F11 and see my Corsair USB as standard but also as in UEFI. In standard it works but won't install on a GPT partition. All this massive trouble is just to install Win 8 on GPT for my Samsung 840 250Gb SSD so I choose UEFI USB in the F11 boot menu but then...

It just shows the same crap as if I would boot directly into the UEFI Rom and it stays there. It DOESN'T load the Win8 that is on the USB, wtf?! Do I need to input any command in the UEFI prompt so it can launch the damn setup.exe ?? :confused:
 

My Computer

System One

  • OS
    7-8
Great tutorial Shawn!

I'll give it a try soon, for the sake of the only UEFI machine I got here. :)
 

My Computer

System One

  • OS
    Windows 10 x64
    Computer type
    Laptop
    System Manufacturer/Model
    HP Envy DV6 7250
    CPU
    Intel i7-3630QM
    Motherboard
    HP, Intel HM77 Express Chipset
    Memory
    16GB
    Graphics Card(s)
    Intel HD4000 + Nvidia Geforce 630M
    Sound Card
    IDT HD Audio
    Monitor(s) Displays
    15.6' built-in + Samsung S22D300 + 17.3' LG Phillips
    Screen Resolution
    multiple resolutions
    Hard Drives
    Samsung SSD 250GB + Hitachi HDD 750GB
    PSU
    120W adapter
    Case
    small
    Cooling
    laptop cooling pad
    Keyboard
    Backlit built-in + big one in USB
    Mouse
    SteelSeries Sensei
    Internet Speed
    slow and steady
    Browser
    Chromium, Pale Moon, Firefox Developer Edition
    Antivirus
    Windows Defender
    Other Info
    That's basically it.
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