Help Requested Sorting Out Dead Monitor & Grub Multi-Boot

English Install/Boot/Login
1

I am seeking help and guidance trying to sort out my multi boot system where the monitor has just died.
I have grub set up with multi boot arrangement for three operating systems, Leap 42.1 which is default, eCS and windoze 7. This morning I needed to use windoze 7 for book keeping entries (Sage software) and my monitor gave up the ghost.

No problem I thought and changed monitor. Sadly I then received message that the signal was out of range. I need now to force a boot to windoze so I can F8 during boot to get VGA as it is the windoze system that has the problem with the new monitor but even the boot screen is out of range so I cannot select my os, I just have to wait for the default to finish booting and eventually my desktop appears.

What should I edit to force grub to boot to windoze?
I am posting this pending getting to point where I can see yast and thus edit grub. I hope I shall then be able to provide more info.

Budgie2

2

Not as easy as I thought. I get no video display until booting into openSUSE is complete. In other words the grub boot script is not shown. Where is video resolution set for booting process?

3

You can set res for boot screen in Yast -boot loader. It may be set too high or low or the auto setting is not seeing the monitor res and guesses wrong

4

Hi and thanks for that. Problem Solved; although the boot resolution is set by VGA setting in kernel as you point out, that was not the problem. I am using a AdderLink KVM remote and it needs to be restarted after monitor change or OS does not detect the new display. System was locked by the KVM switch cache. Once restarted all was well and new screen detected.

Thanks again.
Budgie2