This ET4000 suddenly displays black & white \ VOGONS

This ET4000 suddenly displays black & white

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First post, by pan069

Posted on 2021-04-02, 03:12

pan069 Offline

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Joined: 2018-12-06, 06:30

So, I have this ET4000 and it has been in my 286 for a few months now and has been working well. However, the other night I turned on my machine and the video is displayed B/W (gray-scale). Very odd.

To confirm isn't not a problem with display, I tried another machine (my 386) and all is working fine. I then reseated the VGA in the 286 (and the socketed chips on the card itself), no change, still B/W.

I then switched to another VGA in my 286 and it working fine, so definitely a problem with the card.

Has anyone experienced something like this and know of a way to solve this?

This is the card:

Reply 1 of 2, by Grzyb

Posted on 2021-04-02, 04:21

Grzyb Offline

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Location: Laniakea Supercluster

Re: Tseng labs ET4000AX - no color = problem

Żywotwór planetarny, jego gnijące błoto, jest świtem egzystencji, fazą wstępną, i wyłoni się z krwawych ciastomózgowych miedź miłująca...

Reply 2 of 2, by pan069

Posted on 2021-04-03, 03:27

pan069 Offline

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Rank: Oldbie
Posts: 887
Joined: 2018-12-06, 06:30

Hmm. That's very interesting. Thanks for the link.

So, it occurred to me that a while ago I changed my VGA cable, I swapped out the one I was using with what is/was supposed to be a higher quality one. So, but even though they have the same number of pins, there is a difference since putting back the ET4000 and using my previous VGA cable, viola, color there is. 😀

Top cable (old one) with color, bottom cable (new one) B&W.

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