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 Nec Lcd1715 (good On Ibm) Not Working With Mac, CRTs work with MAC but not LCD? |
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 Mon 27 Sep 2004, 17:32
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Newbie
Group: Members
Posts: 2
Joined: 27-Sep 04
From: Phoenix - US
Member No.: 51,930
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Hi, I have an NEC/Mitsubishi LCD Monitor (model 1715) that isn't working on my Mac. I used to have a 21" CRT but put that on my IBM Compatible. It works fine there. I then took my LCD and moved it to the Mac and nothing. I get a "No Signal" error. The Mac starts and I can hear it spinning but no monitor. So I tried the original monitor and it works. I then tried an older CRT and that works on the Mac. But then the LCD once again does not. If I put the LCD on the IBM it works. I thought maybe the Mac needed time to find it so I started everything and walked away -- still no signal. The Mac has this video adapter that has four settings on it for various screen resolutions (like 1024x768 and 832x624) and I tried them all. The manual for the monitor says: QUOTE The LCD1515/LCD1715 is a TFT LCD monitor that is intelligent, microprocessor-based and ergonomically designed display, compatible with most analog RGB (Red, Green,Blue) display standards, including PS/V, PS/2, optional for Apple Macintosh Centris, Quadra,and Macintosh II family signals. The LCD monitor is capable of displaying crisp and vibrantcolor graphics with VGA, SVGA, XGA (non-interlaced), SXGA (LCD1715 only) and most Macintosh compatible color video cards. It also says under its "Commands" section [Bold Mine]: QUOTE Mode Resolution HFreq(KHz) Band Width(MHz) Polarity(H,V)
1.........VGA...720x350...70Hz...31.47Hz.......28.322................+,-
2.........VGA...720x400...70Hz...31.47Hz.......28.322................-,+
3.........VGA...640x480...60Hz...31.47Hz.......25.175................-,-
4.........MAC...640x480...66Hz...35.00Hz.......30.24.............-,-
5.........VESA...640x480...702z...37.86Hz.......31.5................-,-
... [Cut] ...
9.........VESA...800x600...72Hz...48.08Hz.......50.0.................+,+
10........MAC...832x624...75Hz...49.72Hz.......57.283..........-,-
11........VESA...1024x768..60Hz...48.36Hz.......65.0.................-,- I am running OS8 and used the computer for Print Design. I bought the Mac awhile ago and will see later when I get home if I can find what model it is, I think off hand its a Quadra. Does anyone have any ideas what this could be? I searched around the net and either my Googling is subpar or nobody had trouble getting this monitor to work on their Macs. Thanks in advance for any help, Adrian
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Tue 28 Sep 2004, 16:08
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Rookie
Group: Members
Posts: 43
Joined: 29-Feb 04
From: Gradec - AT
Member No.: 37,222
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you could try the following use your old crt-monitor and set the resoluting to e.g. 800x600 or 640x480. the plug your new to your mac. thats just for the resolution - because lcd have no frequencies listed the other options i think about is that maybe some system-extensions are missing - try to find an update for your system - there should be something within here: http://www.info.apple.com/support/oldersof...ftwarelist.htmlhth
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-dv-
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Mon 4 Oct 2004, 10:26
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Newbie
Group: Members
Posts: 2
Joined: 27-Sep 04
From: Phoenix - US
Member No.: 51,930
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Hi,
Thanks for the advice. What I eneded up doing was calling my local Mac store and they said I needed an Apple brand Mac to VGA adapter.
I went and picked one up for $14. When I got home the LCD was dark for a few moments and then turned on. All is good now.
Thanks Again,
AdriMagnon
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