Monitor

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thescruff
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Monitor

Post by thescruff »

Hi Guys,

Have an annoying flicker, loads of white lines on the right hand side of the screen, but it only does it with the one monitor.

If I boot with both monitors on line neither does it. ::b
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Rich-Ando
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Re: Monitor

Post by Rich-Ando »

lines on the screen are usually graphics card problem related. don't expect any normal reaction when one is on it's way out. mine was playing up for a few months and i couldn't get a definitive point where i could say it was the card. my screen would flicker and then be fine. i could play games and hammer the graphics without problem but when i loaded FF it would flicker again and sometimes lock. then it would go a few weeks without problem. the screen then started throwing lines on it so i swapped monitors and it worked 100%.
when i used to reboot i sometimes had to do it 5-8 times to get it to boot, which i couldn't understand and led me to suspect the motherboard was at fault. about 3 weeks ago or so, it went wappy and completely stopped. no bios beeps nothing. had to change the card.
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thescruff
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Re: Monitor

Post by thescruff »

I'm pretty sure it started with a software upgrade, but why doesn't it do it if I boot with both monitors plugged in. :scratch:
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Re: Monitor

Post by Rich-Ando »

no idea John. that's why i said i struggled, it does all sorts of weird things. one day it worked with a different monitor, the next it didn't. i couldn't get the fault to maintain itself until the card died all of a sudden.

it might not be your problem but that is where i would suspect it to be.
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thescruff
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Re: Monitor

Post by thescruff »

If I get a chance tomorrow I may swap the monitors over and just use the dell on it's own to see what happens.
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Re: Monitor

Post by tombarry »

Possible the monitor cable is breaking down somewhere-or driver issue :dunno:
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Re: Monitor

Post by thescruff »

If I have more than one monitor on line it doesn't do it, would that be the case if something was breaking down. :dunno:
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Re: Monitor

Post by joinerjohn »

How are the two monitors connected to the graphics card? Do they both go into VGA connections or does one monitor utilise another output (DVI-I or HDMI) ??
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Re: Monitor

Post by BillyGoat »

Some monitors have self test patterns if turned on without being connected to the computer.

If it's only since a driver update, you can roll it back from device manager (vga, I presume?) and try again. It's not unheard of for driver updates to cause problems, especially when drivers cover so many brands, makes and models. Some OEM (versions made specifically for a vendor) can be changed from the reference design to cut costs/add features which don't always play well (that that I'm saying yours is....).

Can you recreate this each time? Can you put a picture up?

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thescruff
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Re: Monitor

Post by thescruff »

Both plug straight in to the same card at the back JoinerJohn.

It doesn't show on a print screen Billy, it was a my computer update not a windows update.

I'll swap the monitors over tomorrow if I get the chance.
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Re: Monitor

Post by joinerjohn »

thescruff wrote:Both plug straight in to the same card at the back JoinerJohn.

It doesn't show on a print screen Billy, it was a my computer update not a windows update.

I'll swap the monitors over tomorrow if I get the chance.
When you change them over Scruff, have a look which outputs they use. ( I suspect one may use a different type of output to the other one)
BTW,,, Which graphics card does your computer have in it?
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Re: Monitor

Post by thescruff »

Both the same output on the computer but they are different plugs on the monitor.

One is VGA and the other I think is DVI.
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Re: Monitor

Post by thescruff »

The monitor that flickers is using a DVI-D cable.

The other monitor is using VGA.

When I plug both in neither flicker
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Re: Monitor

Post by thescruff »

Don't you love computers.

Ok, two things happened, and I didn't notice till just now, showed better on a dark screen.

When I shut down last night. Firefox updated to 10.

This morning before I booted I pulled the DVI cable out to see what type it was, and plugged it back in.

Whatever the flicker has gone, or at least it would seem so. :scratch:

Oh, and all my blooming icons got shuffled ::b
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Re: Monitor

Post by tombarry »

Thats good its sorted- I had a monitor with flicker and lines so
just to test it I had a spare dvi cable and replace it and its flicker free
The g/card was an Ati radeon (sapphire)and had to search the web to get the right driver
:thumbright:
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