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From: Grant on 27 Nov 2009 06:30 On 27 Nov 2009 10:57:56 GMT, Kevin Denis <kevin(a)nowhere.invalid> wrote: >Le 27-11-2009, Henrik Carlqvist <Henrik.Carlqvist(a)deadspam.com> a écrit : >>> I launch X, but screen is black. >> >> What kind of monitor do you have? > >TFT 17" Samsung syncmaster 930BF > >> Does it give any kind of message about >> why it is going black? It could go black because there is no longer any >> signal and it could go black because the refresh rates are out of range. >> >non. Still nothing in Xorg.log, except that it says: >(II) VESA(0): Total Memory: 125 64KB banks (8000kB) >(II) VESA(0): My Monitor: Using hsync range of 31.50-50.00 kHz >(II) VESA(0): My Monitor: Using vrefresh range of 40.00-90.00 Hz .. ^^^^^^^^^^^^^^ Limit above to 59-61 Hz for LCD monitor (nominal 60Hz). >(II) VESA(0): My Monitor: Using maximum pixel clock of 140.00 MHz >(II) VESA(0): Not using built-in mode "1600x1200" (width too large for virtual size) >(II) VESA(0): Not using built-in mode "1280x1024" (width too large for virtual size) >(--) VESA(0): Virtual size is 1024x768 (pitch 1024) >(**) VESA(0): *Built-in mode "1024x768" >(**) VESA(0): *Built-in mode "800x600" >(**) VESA(0): *Built-in mode "640x480" >(**) VESA(0): Display dimensions: (380, 300) mm >(**) VESA(0): DPI set to (68, 65) >(**) VESA(0): Using "Shadow Framebuffer" > >> Another question is if you have more than one output from the graphics >> card? > >no > >> As you have intel graphics chipset I guess that the graphics card is >> builtin to the motherboard? > >yes > >> If you have both VGA and DVI output > >no > >> it could >> be that the signal is sent out on VGA while the monitor is connedted to >> DVI. >> >> Even if you only have one single connector and that connector is DVI it >> could still be consiedered to be two different connectors. The DVI-I >> connector can have both (or rather either) digital signals or analog VGA >> signals by an adaptor. >> >> If you have lost the signal from the monitor, would it help to connect a >> VGA cable instead of a DVI cable? >> >It's allready a VGA cable. -- http://bugsplatter.id.au
From: Henrik Carlqvist on 28 Nov 2009 03:03 Grant <g_r_a_n_t_(a)bugsplatter.id.au> wrote: >>(II) VESA(0): My Monitor: Using hsync range of 31.50-50.00 kHz (II) >>VESA(0): My Monitor: Using vrefresh range of 40.00-90.00 Hz > Limit above to 59-61 Hz for LCD monitor (nominal 60Hz). Yes, edit xorg.conf and look for lines looking something like this: HorizSync 24-94 VertRefresh 49-86 Then edit those ranges to match the exact specifications of your monitor. regards Henrik -- The address in the header is only to prevent spam. My real address is: hc3(at)poolhem.se Examples of addresses which go to spammers: root(a)localhost postmaster(a)localhost
From: Grant on 28 Nov 2009 05:49
On Sat, 28 Nov 2009 09:03:04 +0100, Henrik Carlqvist <Henrik.Carlqvist(a)deadspam.com> wrote: >Grant <g_r_a_n_t_(a)bugsplatter.id.au> wrote: >>>(II) VESA(0): My Monitor: Using hsync range of 31.50-50.00 kHz (II) >>>VESA(0): My Monitor: Using vrefresh range of 40.00-90.00 Hz > >> Limit above to 59-61 Hz for LCD monitor (nominal 60Hz). > >Yes, edit xorg.conf and look for lines looking something like this: > > HorizSync 24-94 > VertRefresh 49-86 > >Then edit those ranges to match the exact specifications of your monitor. I found sometimes using exact range for LCD sometimes didn't work as xorg would try to sync at 59Hz or close but not equal to 60Hz. Hence I reccommend the small vertical range. As far as horizontal range goes, if you don't have your LCD manual it's okay to leave horizontal range wide -- more important is to specify the narrow vertical range and the correct (native resolution) LCD X by Y pixels -- xorg should then calculate the correct horizontal value. The x startup log would indicate if the resolution numbers attempted go out of range for your screen. Grant. -- http://bugsplatter.id.au |