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Question about Hannstar AH-191D Monitor

2 Answers

No access to DOS screen setup

In the onscreen display,access to the DOS screen is greyed out - i.o.w. not accessible. Is there anyway to change that? Also,when I access the computer BIOS, the window is too large for the screen, so BIOS settings are not completely available. Plus,the same thing - window too large for screen, in Safe mode, as well as on bootup. Returns to normal (1024x768) in Welcome screen and subsequent Desktop window. Lastly :) What is the URL for official HannStar support? Thanks for any advice.

Posted by DiggerP on

  • 1 more comment 
  • DiggerP Aug 20, 2007

    Hi ZT3000,

    Thanks for taking the time to respond.
    I tried the reset,but that is acually a reset to factory
    It shows a resolution of 640x480 which is usual for a BIOS screen,
    but the display remains oversize.

    I will try the contact address,but it looks like it's one for
    business purposes rather than end user support.
    Anyway,we'll see.

    Thanks again,


  • DiggerP Aug 20, 2007

    Thanks ZT3000 for following this.
    At the moment I can't get my hands on another LCD,
    but I tried it on a CRT and it's OK.

    I think I will go back to the store it came from
    and see if it shows the same on different computers,
    but that could take me a while :)

    BTW,I also tried shrinking the image,but strangely enough,
    there is no size adjustment,only postion adjustment.
    Have to explore that too while I'm in the store.

    Thanks again,

  • DiggerP Aug 21, 2007

    You must be reading my mind.
    That's beginning to be my sentiment too,
    although in fairness to I-Inc - Hannstar,
    it may just be this particular model or monitor.

    I do have a support email outstanding,
    so let's see what they come up with.
    They were hard to find.The official Hannstar website
    has no reference mentioned,but I found the support link
    at www.i-inc-usa.com

    Thanks for the input.




2 Answers

Russ Hill

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Bios problems replace chip next to coms battery number f16-100hip u30 this chip controls most of the startup from bios to charging its to long to go into its integrated. . ive just repaired one of theses boards when it would not load up windows or rom, i managed to get one of another board with power problems these problems are not powering on wifi lite up and hard drive light on. there is 3 chips pq49 pq36 pq37 they control power best to change all 3. as for bios you will need to get latest bios up date it should be f16 from HP/ or other company as board in a few brands. change chip and you will need the new bios on usb drive. follow setting up usb bios drive, install on usb, put usb in main usb port left side and hold down power for 5 seconds ( will power on and off ) while holding down windows key and letter B on keyboard. now press the power button for 1 second and release but still hold down windows key and and letter B. you will hear beeps and it will shut down. when shut down quickly release keys and remove usb drive before it turns on, if all goes well you will have new bios on now, if not repeat. every thing on bios should be fine. then.

Posted on Mar 07, 2016



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Not exactly familiar with this particular monitor, but.. Once inside the computer BIOS (cmos screens), press either the external reset (autosync) button or from within the onscreen display. This should resize the screen (it does on any other model I've ever sold). Same solution for SAFE mode. Hannstar does not provide user support either by online or telephone. They rely on the distribution channel to provide support (namely, your reseller). The closest thing to direct HannStar support is here: http://www.hannstar.com/frontend_e/contact/MailProcessForm.jsp?type=10 ZT3000 "Beta tester of "0"s and "1's"

Posted on Aug 19, 2007

  • Anonymous Aug 20, 2007

    The last suggestion is borrow another LCD from someone, for just a moment, and check the size when in the BIOS screen.

    If the screen is still bad, then your video card is not working right.

    If the screen is okay, then your monitor is bad and if it's still bad after a factory reset, then all you can do is attempt a warranty replacement.

    "Beta tester of "0"s and "1's"

  • Anonymous Aug 21, 2007


    Looks like the monitor is bad, as you noticed. If the CRT works on your computer, that rules out the video card.

    As for not having screen size adjustment controls, that would be a first. They gotta be there somewhere??, anywhere??

    You know it and I know it, your better off with a different brand of monitor.

    (ZT3000 scribbles something about never purchasing a Hannstar)

    "Beta tester of "0"s and "1's"



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