Laptop performing noticeably worse on own screen vs monitor


  1. ricksis
    Posts : 84
    Microsoft Windows 7 Ultimate 64-bit
       New #1

    Laptop performing noticeably worse on own screen vs monitor


    So I've seen this thing lately with my Acer laptop. There's difference between plugging in another monitor or using the laptop screen. Every game I play (mostly CS GO, Dota 2) also runs much more smoothly if I use an external monitor; we're talking about 30-50fps on laptop screen compared to 60-90 fps with another monitor, for example LG W2442PE. I know it sounds silly, but is there anything wrong with the laptop (e.g. drivers, software, even hardware)? Is there anything I could do about it?


    Processor Intel(R) Core(TM) i5-3230M CPU @ 2.60GHz
    Manufacturer Intel
    Speed 2.6 GHz
    Number of Cores 4
    CPU ID BFEBFBFF000306A9
    Family 06
    Model 3A
    Stepping 9
    Revision 15
    Video Card 1 NVIDIA GeForce GT 730M
    Manufacturer NVIDIA
    Chipset GeForce GT 730M
    Dedicated Memory 3.1 GB
    Total Memory 4.0 GB
    Pixel Shader Version 5.0
    Vertex Shader Version 5.0
    Hardware T & L Yes
    Vendor ID 10DE
    Device ID 0FE1
    Plug and Play ID VEN_10DE&DEV_0FE1&SUBSYS_06481025&REV_A1
    Driver Version 9.18.13.4411
    Video Card 2 Intel(R) HD Graphics 4000
    Manufacturer Intel
    Chipset Intel(R) HD Graphics 4000
    Dedicated Memory 128 MB
    Total Memory 1.7 GB
    Pixel Shader Version 5.0
    Vertex Shader Version 5.0
    Hardware T & L Yes
    Vendor ID 8086
    Device ID 0166
    Plug and Play ID VEN_8086&DEV_0166&SUBSYS_06471025&REV_09
    Driver Version 8.15.10.2712
    Memory 8.0 GB
    Operating System Microsoft Windows 7 Ultimate Edition Service Pack 1 (build 7601), 64-bit
    Service Pack 1
    Size 64 Bit
    Edition Ultimate
    Version 6.1.7601
    Locale 0418
    BIOS InsydeH2O Version 03.72.23V2.13
    Version Insyde Corp. V2.13
    Manufacturer Insyde Corp.
    Date 01/17/13
    Display Maximum Resolution 1920 x 1080
    Sound Device 1 Realtek High Definition Audio
    Driver Version 6.0.1.6543
    Sound Device 2 NVIDIA Virtual Audio Device (Wave Extensible) (WDM)
    Driver Version
    Sound Device 3 Intel(R) Display Audio
    Driver Version 6.14.0.3090
    DVD Slimtype DVD A DS8A8SH
    CD Slimtype DVD A DS8A8SH
    Drive 1
    Size 385.8 GB
    Free 29.2 GB
    Drive 2
    Size 79.9 GB
    Free 649.4 MB
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  3. taylorig
    Posts : 127
    Windows 10 Pro x64
       New #2

    Sounds to me like it's using the HD Graphics 4000 rather than the 730M when connecting to a monitor. Also is the Laptop and the monitor you are using both 1920x1080?

    On a side note I'd look in to cleaning some of that "Drive 1 Size 385.8 GB Free 29.2 GB" at some point
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  4. ricksis
    Posts : 84
    Microsoft Windows 7 Ultimate 64-bit
    Thread Starter
       New #3

    Yes, they are both 1920x1080. So your point is that in normal mode, the 730M is in use? Isn't the gfx card more powerful than the integrated graphics and should perform better on paper than?
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  6. taylorig
    Posts : 127
    Windows 10 Pro x64
       New #4

    Yes. Indeed the 730M is more powerful than the integrated one but it's probably just a matter of going through some settings and manually selecting with GPU to use on which output.

    I can't help you in this case as i'm not sure what you'd be looking at but it should be pretty straight forward. If not then Google is your friend
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  7. kieranballard2
    Posts : 21
    Windows 7 Ultimate x64
       New #5

    This might not be any help at all, but then again, it might be..

    Anyway, in my PC's UEFI BIOS (might be possible on whatever your laptop has, I think some old CMOS machines have it), there's an option called Primary Graphics Adapter (or something similar), try changing this option.

    As I said, this may not help you, because it could be a completely different issue, but its worth a look.

    Good luck.
    Last edited by Brink; 19 Aug 2016 at 16:32.
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  8. MrNeeds
    Posts : 1,218
    Windows 7 Ultimate x64 SP1
       New #6

    kieranballard2 said:
    This might not be any help at all, but then again, it might be..

    Anyway, in my PC's UEFI BIOS (might be possible on whatever your laptop has, I think some old CMOS machines have it), there's an option called Primary Graphics Adapter (or something similar), try changing this option.

    As I said, this may not help you, because it could be a completely different issue, but its worth a look.

    Good luck.
    Nice find but completely useless as the laptop uses Dual GPU configs, it's called hybrid GPUs and Nvidia have a driver called optimus that deals with the task of switching between them, you have to (like taylorig has mentioned) go to the Nvidia control panel and choose which GPU to run the external monitor on, specifically, I can't tell you the exact setting because I don't have a Notebook with dual GPUs on to test but it shouldn't be that difficult to find.

    MrNeeds
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