You may have either a clogged print-head, or your cartridges may be exhausted.

According to CNET's article and teardown, I would say No they are not the same speakers. Here is the link to the article. http://www.cnet.com/news/apple-iphone-6-plus-teardown-reveals-subtle-differences-from-iphone-6/

Try pressing FN + F9

Well, I looked up some specs for the computer you have and I found you some RAM. The max amount of RAM your machine will take is 4GB, so if you get 4 of the 1GB chips you will max it out.(That's a good thing) Your RAM will run at MAX power when you have you have an equal amount in the 4 slots. http://accessories.us.dell.com/sna/categ...

Here is the inverter. It says it is compatible with all MacBook and MacBook Air 13.3in models. MacBook Display Inverter Here is the inverter cable. It says it is compatible with MacBook Core 2 & Core 2 duo models. MacBook (Core Duo/Core 2 Duo) Inverter Cable I hope that I was of help!

Try this! MacBook Display Inverter

Try this! MacBook Display Inverter

I have this same problem. I watched this video and this guy has seemed to have solved it! https://www.youtube.com/watch?v=wh6jYrHh...

Resetting NVRAM 1. Shut down your Mac. 2. Locate the following keys on the keyboard: Command (⌘), Option, P, and R. 3. Turn on your Mac. 4. Press and hold the Command-Option-P-R keys immediately after you hear the startup sound. 5. Hold these keys until the computer restarts and you hear the startup sound for a second time. 6. Release the keys. After resetting NVRAM, you may need to reconfigure settings for speaker volume, screen resolution, startup disk selection, and time zone information. If issues related to these features continue on a desktop Mac (like an iMac, Mac mini or Mac Pro), its logic board battery may need to be replaced. The logic board battery on desktop computers helps retain NVRAM settings when your Mac is unplugged. You can take your Mac to an Apple Store or Apple Authorized Service Provider to replace the battery on the logic board. Update: If you are still having problems after resetting the NVRAM, try this 1. Press Command-Option-Escape to force quit any application that is not...