Power Failure Caused Video Problems ....

vja4Him · vja4Him #1 (**permalink**)

12-30-2009, 11:52 PM

Power Failure Caused Video Problems ....

Yesterday our neighbor was messing around with the circuit breakers and cut the power to our dining room, which turned off my external HD.

I can still boot from the external HD, but there is a serious video problem now. I'm still online with the external HD, but having visual difficulty with certain things (buttons, links, scroll tabs, and pictures are really bad quality, e-mail hard to see ...).

I can still boot from the internal HD (iBook G4), and the video is just fine. So the problem doesn't seem to be with the iBook's video card.

I reinstalled Tiger (10.4) on the external HD, but still have the same problem.

I ran Disk Warrior and Disk Utility, but still have the same problem.

Any ideas what might be the problem, and how to fix it?

VegasGeorge · VegasGeorge #2 (**permalink**)

12-31-2009, 02:51 AM

It sounds like the external HD may be booting up in safe mode with forced low resolution.

Try running this command in Terminal: sudo nvram boot-args=""

vja4Him · vja4Him #3 (**permalink**)

12-31-2009, 12:32 PM

Quote:

Originally Posted by VegasGeorge

It sounds like the external HD may be booting up in safe mode with forced low resolution.

Try running this command in Terminal: sudo nvram boot-args=""

Exactly how do I perform this operation ... ???

I want to make sure that I don't end up stuck, and not able to boot my computer ... !!!

deus_ex_machina · deus_ex_machina #4 (**permalink**)

12-31-2009, 01:46 PM

Open Terminal (Applications>Utilities) and copy the "sudo..." text in the prompt.

vja4Him · vja4Him #5 (**permalink**)

12-31-2009, 06:40 PM

Quote:

Originally Posted by VegasGeorge

It sounds like the external HD may be booting up in safe mode with forced low resolution.

Try running this command in Terminal: sudo nvram boot-args=""

I tried using the Terminal command, but when the computer asked for my password, I couldn't figure out how to enter the password. I tried typing my password, but nothing happened ....

harryb2448 · harryb2448 #6 (**permalink**)

12-31-2009, 07:30 PM

That is what usually happens keeps it secret from anyone watching. Go back to Terminal, type in password and hit return key.

vja4Him · vja4Him #7 (**permalink**)

01-01-2010, 10:00 PM

Quote:

Originally Posted by harryb2448

That is what usually happens keeps it secret from anyone watching. Go back to Terminal, type in password and hit return key.

I tried that and still no luck ....

supercomet32 · supercomet32 #8 (**permalink**)

01-08-2010, 03:34 PM

Wha tdid we learn form this boys an dgirls?...UPS live by it its a one time investment that wil save multiple high dollar/time investments

vja4Him #1 (permalink)
Member Since: Jan 17, 2007 Posts: 132 Mac Specs: MacPro 2.93 GHz - 10.6.8	12-30-2009, 11:52 PM Power Failure Caused Video Problems .... Yesterday our neighbor was messing around with the circuit breakers and cut the power to our dining room, which turned off my external HD. I can still boot from the external HD, but there is a serious video problem now. I'm still online with the external HD, but having visual difficulty with certain things (buttons, links, scroll tabs, and pictures are really bad quality, e-mail hard to see ...). I can still boot from the internal HD (iBook G4), and the video is just fine. So the problem doesn't seem to be with the iBook's video card. I reinstalled Tiger (10.4) on the external HD, but still have the same problem. I ran Disk Warrior and Disk Utility, but still have the same problem. Any ideas what might be the problem, and how to fix it? - Samsung Galaxy Note 3, 3GB RAM, JellyBean 4.3 - iBook G4, 1GHz, 1.25GB RAM, Tiger 10.4.11 - Archos 80 G9 Turbo 250GB, Android 4.0.4 (Ice Cream Sandwich) - Mac Pro, 2.93 GHz, 8GB RAM, Snow Leopard 10.6.8
	QUOTE Thanks

deus_ex_machina #4 (permalink)
Member Since: Aug 06, 2004 Location: Tejas Posts: 1,713 Mac Specs: 2GHz Mac Mini 2GB RAM 160GB 10.6.2 \| MDD DP 1.25GHz G4 1.5GB RAM 10.4.11 \| 233MHz iMac G3 10.3.9	12-31-2009, 01:46 PM Open Terminal (Applications>Utilities) and copy the "sudo..." text in the prompt. EOF website portfolio
	QUOTE Thanks

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VegasGeorge #2 (permalink)
Member Since: Sep 23, 2006 Location: Las Vegas, NV USA Posts: 893 Mac Specs: iMac, and Macbook Pro	12-31-2009, 02:51 AM It sounds like the external HD may be booting up in safe mode with forced low resolution. Try running this command in Terminal: sudo nvram boot-args=""
	QUOTE Thanks

harryb2448 #6 (permalink)
Member Since: Nov 28, 2007 Location: Nambucca Heads Australia Posts: 18,805 Mac Specs: iMac i5 2.7GHz, 16GB memory, OS 10.10.2	12-31-2009, 07:30 PM That is what usually happens keeps it secret from anyone watching. Go back to Terminal, type in password and hit return key.
	QUOTE Thanks

supercomet32 #8 (permalink)
Member Since: Jan 07, 2010 Posts: 11	01-08-2010, 03:34 PM Wha tdid we learn form this boys an dgirls?...UPS live by it its a one time investment that wil save multiple high dollar/time investments
	QUOTE Thanks

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