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Care Tip for PowerBook G4
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Junior Member
Join Date: Nov 2001
Location: USA
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Hey, has anyone noticed this quote from Apple's website on the care and feeding of our beloved PowerBook G4:
"Warning: Do not place your PowerBook on a pillow or other soft material when it is on, as the material may block the airflow vents, in particular the rear vents, and cause the computer to overheat. Never place anything over your keyboard before closing the display. This can cause your computer to cycle on and off which may create excessive heat and drain your battery. Never turn on your computer unless all of its internal and external parts are in place. Operating the computer when it is open or missing parts can be dangerous and can damage your computer."
I don't remember seeing the warning about not covering the keyboard when closing it up.
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Baninated
Join Date: Mar 2001
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THe rear vents seem highly unlikely to be blocked that way.
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Professional Poster
Join Date: Jan 2003
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Originally posted by Leo the 3rd:
I don't remember seeing the warning about not covering the keyboard when closing it up.
If you place something over the keyboard and close the lid, it may depress the keys and cause the computer to continually wake up and go to sleep.
That's my take on it, at least.
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Fresh-Faced Recruit
Join Date: May 2004
Location: Penn's Woods
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Never had a problem with using a screen protector when Powerbook is closed. It doesn't put any strain on the keyboard.
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MBP 15.4" 2.4 | iMac 20" 2.4 | Mac Pro 2.66 | 17" iMac G5 iSight | PM Quicksilver 867 G4
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Forum Regular
Join Date: Feb 2005
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you don't put a screen protector over the keyboard, you put it over the monitor 
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Posting Junkie
Join Date: Mar 2004
Location: MacNN database error. Please refresh your browser.
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Originally posted by jzdziarski:
you don't put a screen protector over the keyboard, you put it over the monitor
WRONG! I use an iSkin keyboard cover to keep dust and dog hair and other detritus from getting into the keyboard. Works nicely and never had any problem. I also have a radtech screensaver cloth that lies on the keyboard when I'm on the go. Again, no problems.
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Mac Enthusiast
Join Date: Oct 2003
Location: UK
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Originally posted by porieux:
THe rear vents seem highly unlikely to be blocked that way.
I've noticed before if I use my 12" on my lap in bed, the quilt blocks the rear vent and it heats up more quickly.
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12" Rev B PB
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Registered User
Join Date: Oct 2003
Status:
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Originally posted by Leo the 3rd:
I don't remember seeing the warning about not covering the keyboard when closing it up.
For the 12 inch pb there is an obvious reason not to cover the keyboard when you operate it in closed lid mode.
Below the keyboard are holes in the metal right above the heatsink. The air that cools the heatsink flows in through the keyboard, heats up while it flows through the heatsink and is blown out of the rear openings by the fan.
A cloth or somthing alike on the keyboard would block the airflow.
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Last edited by Dr.Michael; Feb 16, 2005 at 11:12 AM.
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