1

I just downloaded Ubuntu 15.04 and I put it into a pendrive. When I boot the pendrive, Ubuntu logo starts to charge but after a while, the monitor turns black with the mesaje "Frequency out of range: Horizontal 95 KHz - Vertical 60 Hz", so I cant continue with the installation due to not seeing anything.

My graphics card is nVidia GTX-970. My monitor is an old ViewSonic VG2021wm that probably does not support more than 60Hz or even less.

How can I configure the Ubuntu installer to decrease the used monitor frequency?

Byte Commander
  • 107,489
Ivan Yurcic
  • 11
  • 1
  • I guess you mean "Vertical 60Hz"? 60 KHz screen refresh frequency would really be extreme overclocking. – Byte Commander Sep 08 '15 at 18:08
  • Yes, sorry. Vertical is 60Hz, and Horizontal is 95KHz. My monitor is 8 years old but with older versions of Ubuntu I never had problem. Now I want to be back with Ubuntu (I'm using Win10 right now) but I have this little issue. – Ivan Yurcic Sep 08 '15 at 19:00
  • Since 15.04 (I think), my monitor also sometimes just shortly turns off and back on, together with that click sound old CRT monitors make when changing the resolution. But I never saw such an error. I am right that the monitor itself displays this error, not the system? – Byte Commander Sep 08 '15 at 19:05
  • Yes, I'm sure that is the monitor. It displayed the error in a little blue box in the meddle of the screen. That blue box is from the monitor's menu. The same frequency problem I had when I plug the screen to my notebook, and the notebook works perfectly. The problem is that the system shows more than 60Hz and the screen dont support more of 60Hz, but I have no idea how to deal with it in Ubuntu. – Ivan Yurcic Sep 08 '15 at 19:13
  • It would be good if you added the exact brand and model of your monitor, too. And I've edited your question a bit to attract the right people. – Byte Commander Sep 08 '15 at 19:20
  • Thanks for the tittle help! The monitor is a "ViewSonic VG2021wm", but is not a CRT :P I was reading, and when this happens I press "CTRL+ALT+F1" and I acced to the terminal but asking me for a User and Password, but the SO is just loaded into the pendrive, so I dont know :( – Ivan Yurcic Sep 08 '15 at 19:27
  • Changed that. You know you may [edit] your question yourself too? And the default live user has the username ubuntu and a blank password. – Byte Commander Sep 08 '15 at 19:56
  • What might maybe help: http://askubuntu.com/a/672068/367990 – Byte Commander Sep 11 '15 at 17:10

0 Answers0