OptiPlex 740 – Windows 7 and 10 64 Bit

It is not advised to spend too much money upgrading this over a decade 2006 system, as it is cheaper to purchase a more capable Second Hand Business Desktop than a new OS License. This PC can run Windows 7 64 Bit pretty well. It can run Windows 10 64 Bit if this PC has enough RAM (>4 GB) and a SSD. Without the SSD it may run but poorly as the Hard Drive is cranked up to continuous 100 % Disc Usage.

Minitower, Desktop, SFF

System Upgrades

Operating System License

Windows 7 is no longer for sale and it is not recommended to run Windows 10 on this model.

Service Manual

Dell Service Manual

Memory Upgrade:

This system supports 8 GB of RAM 2×(2×2 GB Modules)

amazon.com Crucial CT2KIT25664AA800

amazon.co.uk Crucial CT2KIT25664AA800

Solid State Drive 3.5 “

Upgrading to a Solid State Drive

Graphics Card

No Low Profile Bracket is required for the Minitower.

amazon.com HD5450 Graphics Card

amazon.com Low Profile Adaptor Needed for the Desktop and SFF models

amazon.co.uk HD5450 Graphics Card

amazon.co.uk Low Profile Adaptor Needed for the Desktop and SFF models

Legacy BIOS

Windows 10

If you have previously bought a Windows 7 Retail or Windows 8.x Retail License then your key will work with Windows 10. If you were an early adopter and had activated your system with Windows 10 Insider Build 10130 you can clean install Windows 10 Pro without a Product Key.

I advise installing Windows 10 without a Product Key before buying a License which will give you time to evaluate it. With Windows 10 there is no trial, instead your Desktop and Settings will be watermarked and you will be unable to personalise some user settings but otherwise it’ll be fully functional. You can also activate Windows 10 with a Windows 7 Key or Windows 8.x Key.

OS Updates

System Utilities

Video

Communication

Not all systems will have a modem.

Audio

For Windows 8.1 the best driver will be inbuilt.

Install the registry file and then the audio driver.

Card Reader

Dell Media Card Reader with Integrated Bluetooth Module (CAB-200), Media Card
Reader 19-1 with Integrated Bluetooth*

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4 thoughts on “OptiPlex 740 – Windows 7 and 10 64 Bit

  1. Something is not right when trying to install a SSD on the Optiplex 740 Desktop Edition. It has SATA-2 ports, but no ACHI, tried to install an Intel 330 SSD I had extra, and the Toolbox reported the connection as IDE. Speeds were actually slower than the HDD!

    I believe this has to do with the NVIDIA chipset, which is now unsupported. It has an AMD CPU (Athlon X2 4850e), but it’s not a AMD motherboard.

    Is there a fix for this, maybe an add on card? I’ve upgraded the RAM to the max 8GB DDR2 PC2-6400. There is a PCIe card, however I’ve added a AMD Radeon HD 7570 GPU, which was stock in my newer XPS 8700. Graphics scores are great at 6.9 WEI, same with RAM. The added RAM gave the CPU a WEI boost as well.

    OS is Windows 7 Ultimate, dual booting with Linux Mint 17.1, both 64 bit.

    1. “This model and Operating System is not supported by Dell”.- Quote from above.

      If Dell isn’t supporting it, them whom is? NVIDIA? I did install their Dell System Software, but had to get driver updates from elsewhere, used the IObit Driver Updater (Free) Utility, it’s the best Free Driver updater out there. Unlike Slim Drivers, there were no errors shown upon install, and after reboot, everything simply worked.

      I did manually upgrade the AMD 7570 from their site, as well as installed their CPU driver. Personally, I feel I’d be better off to find a similar sized Optiplex motherboard, there were many produced, with Full Intel or AMD support, and install my new RAM sticks & GPU in there. That way, I’d have Full SATA support for the PC & can benefit from installing a SSD. Surely there’s a drop in replacement somewhere, it a matter of knowing which to get.

      Does anyone know which Optiplex motherboard (with part number if possible) would replace the one in the 740 Desktop edition with little effort? CPU brand doesn’t matter to me, as I can upgrade these cheap, many are on eBay for $30 or less.

  2. Orlando, you’ll have to find a PCIe SATA card, remove your add-on graphics card (if any) & install the card in the graphics slot. Then hope that the graphics doesn’t go out because a card is in the slot.

    This was a $29 PC for me, not much lost, unfortunately there’s no SATA-2 PCI cards, only SATA-1, with any luck, the SSD will then run faster than your HDD, yet not by much.

    I just don’t see what’s so ‘enhanced’ with these PC’s, that’s what it says at boot, seems like Dell would have included (or had NVIDIA to) some PCIe x1 ports for future expansion. I wished that someone would step forward who owns one of these & tell us if adding a PCIe card to the graphics port disables onboard graphics, there were hundreds of thousands of these PC’s distributed.

    Yet it runs Windows 10 Pro well, but handicapped to a HDD only.

    Cat

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