On Tue, 18 Nov 2003, Daniel Axtell wrote: > XFree86 runs OK, but when I > reboot I frequently get a black screen. When I unplug the monitor for a few > seconds and get a "no signal" message, then plug it in, everything is OK. > I noticed a similar behavior on a different box when I was installing Win98 > when booting from a floppy disk. After it was installed, Win98 and the > monitor seem OK on that box.
I see this sometimes, too (Abit AT7/MAX2, Gainward GeForce4 w/ TI4800, Dual Iiyama-TFT; from time to time, the second one stays black). If I understand it correctly, it's a problem with the _graphics card_/mainboard (power consumption "peak", therefore no proper initialisation takes place); when you repeat the initialisation process, either by un-/re-plugging the monitor or invoking a graphics driver (->Windows/XFree startup), chances are that no peak is "triggered". (Note that during a reboot, many devices are reset at once; if your BIOS does allow it, you may try -- at your own risk! -- to adjust voltages) ... HTH, -- Dipl.-Inf. Markus Ueberall Johann Wolfgang Goethe-Universität Tel: (069)798-28361 Fax: -23340 Institut für Informatik / Telematik
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