Why is my back projection TV installed as a PnP monitor?

Posted on 2006-05-06
Last Modified: 2013-11-06

I would like my TV to be recognized as a HD ready TV by my Shuttle PC. It has it down as a PnP monitor. The only usable resolution is 800x600. What do I need to do?

Shuttle xPC, 1gb RAM, XPSP2 (actually MCE) fully updated, all drivers up-to-date, Radeon 9600, Hauppauge Nexus-s satellite TV tuner card.
The TV is a Thomson Scenium widescreen attached to the PC by DVI
Question by:MON053197
    LVL 70

    Accepted Solution

    PowerStrip ( is the premier application for setting custom display resolutions -- it will let you set a custom resolution to match your specific display.   It does require a graphics card that supports custom resolutions; but your Radeon 9600 is good-to-go for that.

    Author Comment

    Hi Gary,

    PowerStrip detected my TV automatically as RCA Thomson with 1280 x 720 pixels, as it says in the manual. Trouble is, that resolution spills over on all sides so the left of the Start menu is hidden and the minutes on the clock at bottom right are invisible as are the tops of windows. What's wrong and how do I correct this?

    Author Comment

    ...also, in Device Manager it shows the PS created driver as installed but when I click for driver details, I get the message "no driver necessary or loaded for this peripheral"
    LVL 70

    Expert Comment

    You need to create a custom resolution that fits your TV screen as perfectly as possible.   Don't get hung up on "standard" resolutions -- experiment (slowly -- make small changes; then try them) until you find the resolution that gives you the best fit with your display.   Try something in the mid-1100's and then go up/down from there until your screen looks good :-)
    LVL 1

    Expert Comment

    If you connect your TV via Component (Y,Pb,Pr) It should pick it up as a HD TV rather than a monitor using only your graphics drivers. Once it knows its a TV you should be able to pick the HDTV format which your TV uses (eg. 480i, 480p, 576p, 1080i, etc.) as opposed to the standard monitor resolutions which are a different format (shape/size).
    If you chack the TV manual and select the right format on the PC you should get the optimal shape/size/refresh rate/etc. for your TV. That means a good, non stretched picture with no "spilling over" and no black lines around the screen.
    I hope this helps.

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