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현재 버전 게시자: Dan ,

제목:

Why black screen, gradated screen when working and screen freeze?

본문:

I have been having issue of intermittent black screen. Thenscreen on my iMac.

The
screen worked for some timesometime then started showing gradated screen. The top section being lighter andwith the bottom being darker. I

I
replaced the LCD display thinking that would solve the problem, but it still has the gradated screen and it freezes up. I

I
opened it back up and checked connections and cleared out the dust on the fans. Now

Now
, it's back to a black screen. I took a picture of the power source while I had the computer open because it looked odd. If

If
someone could tell me if they think the power source is bad or if maybe the inverter is causing the issues, I sure would appreciate it!
I have been having issue of intermittent black screen. Thenscreen on my iMac.

The
screen worked for some timesometime then started showing gradated screen. The top section being lighter andwith the bottom being darker. I

I
replaced the LCD display thinking that would solve the problem, but it still has the gradated screen and it freezes up. I

I
opened it back up and checked connections and cleared out the dust on the fans. Now

Now
, it's back to a black screen. I took a picture of the power source while I had the computer open because it looked odd. If

If
someone could tell me if they think the power source is bad or if maybe the inverter is causing the issues, I sure would appreciate it!
 
[image|1262586]

기기:

iMac Intel 20" EMC 2266

현황:

open

원문 게시자: Paula Richards ,

제목:

Why black screen, gradated screen when working and screen freeze?

본문:

I have been having issue of intermittent black screen. Then screen worked for some time then started showing gradated screen. The top being lighter and the bottom being darker. I replaced the LCD display thinking that would solve the problem, but it still has the gradated screen and it freezes up.  I opened it back up and checked connections and cleared out the dust on the fans. Now, it's back to a black screen. I took a picture of the power source while I had the computer open because it looked odd. If someone could tell me if they think the power source is bad or if maybe the inverter is causing the issues, I sure would appreciate it!

[image|1262586]

기기:

iMac Intel 20" EMC 2266

현황:

open