LeeSmithG Posted February 23, 2016 Share Posted February 23, 2016 I have an Acer 24 Inch H.D.M.I. monitor, three years old in March. This morning it displayed some message. The acer control box came up (without me touching it) and then screen went black in right hand side (as you look at monitor) appeared in sequence H.D.M.I. then V.G.A. then D.V.I. So I thought, must be cable, so changed it for my new spare. Same message. So I am thinking, maybe the P.C.I. Express A.T.I. graphics card is faulty, check it in system devices, told it works fine. I also check the monitor in system devices and told it's working fine. So any ideas why this is happening? Is it the card, or the monitor? Thanks in advance for replies. Link to comment Share on other sites More sharing options...
LOQUILLO Posted February 24, 2016 Share Posted February 24, 2016 Hi mate, it's the monitor, there have a chip for manage the switch betwen HDMI-VGA-DVI, now your monitor is changing the source automatically without stop, right. Link to comment Share on other sites More sharing options...
pepperoni Posted February 24, 2016 Share Posted February 24, 2016 Check monitor menu for "Demo" mode Link to comment Share on other sites More sharing options...
LeeSmithG Posted February 25, 2016 Author Share Posted February 25, 2016 Thanks for the replies. I did a system restore and adjusted the brightness, as too bright and it seems to have stopped. However it might come back so I will check what you both wrote and hopefully be gone till the thing dies the right way. Link to comment Share on other sites More sharing options...
humble3d Posted February 26, 2016 Share Posted February 26, 2016 They, too, can be hacked... Link to comment Share on other sites More sharing options...
LeeSmithG Posted February 29, 2016 Author Share Posted February 29, 2016 Just an update, 'demo mode' does not exist in my Acer monitor and it died eventually. So got a new one today, monitor died Saturday. I will stick it on eBay as spares and repairs. Not quite three (3) years old. Link to comment Share on other sites More sharing options...
Chancer Posted February 29, 2016 Share Posted February 29, 2016 I usually buy LG monitor and TVs. Only once had a problem with a monitor a few years ago, they RMAed it and sent me a newer model! Link to comment Share on other sites More sharing options...
LeeSmithG Posted March 1, 2016 Author Share Posted March 1, 2016 On 29/02/2016 at 3:58 PM, Chancer said: I usually buy LG monitor and TVs. Only once had a problem with a monitor a few years ago, they RMAed it and sent me a newer model! Yes, I will get a L.G. next time, I have a L.G. bluray player and it's lasted long time. Link to comment Share on other sites More sharing options...
pc71520 Posted March 4, 2016 Share Posted March 4, 2016 LG all they way! Durable TVs and Monitors! Link to comment Share on other sites More sharing options...
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