macbook pro 3 beeps after installing new memory

If it does not say 'Verified' then the hard drive is failing or failed. In the DU status area you will see an entry for the S.M.A.R.T. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. When the menu bar appears select Disk Utility from the Utilities menu. After the installer loads select your language and click on the Continue button. Repair the Hard Drive and Permissions Pre-Lion/Mountain Lionīoot from your OS X Installer disc.

Start with a visit to: OS X Maintenance - MacAttorney.īoot into Safe Mode then repair your hard drive and permissions: If your computer seems to be running slower here are some things you can do: I'd seen a lot about trying to increase the brightness (though it hadn't worked up to this point but if you haven't tried it yet, might as well) I tried it, and it worked! So far I'm back up and running. Second, when I started the manual install of the 335.23 driver, the computer played a sound similar to the one for disconnecting a USB device, and the screen went black. I powered down, restarted in safe mode again, and repeated the uninstallation process, and it worked the second time. Two hiccoughs along the way: First, when I tried to uninstall the Nvidia driver the first time, when I restarted I got the login screen (which was a good sign), but it quickly went black again. I then manually downloaded and installed the previous Nvidia driver for my graphics card (which at the time of this writing was 335.23, rather than the latest which was 337.88), and everything is now bueno! I booted in safe mode, uninstalled and deleted the Nvidia driver, disabled automatic driver installation, and restarted normally.

Specifically, the posts by Dunsany and valkyr did the trick.

Hardware UUID: B2D4B4B4-CD92-5C7A-BDC2-527D30DD8DF3įor anyone else who finds their way here like I did, this link did it for me: ead-if-you-39-re-having-black-screen-and-or-flickering-/ Please help!Ģ009 Macbook Pro, 3.06 GHz Intel 2 core, Max 10.6.8. I've looked at all the online solutions so far and have tried most of them without success. I suspect the Mac update wiped out my PC video drivers but can not think of a way to re-install?Ĭan see the PC volume from Mac side with files. Will not show up in safe mode, will not show when started from Windows 7 DVD. Since I updated the mac side my windows side now starts up with completely black screen - no prompt, nothing, Cap keys still light up as does mouse and DVD drive seems to run.

My Macbook Pro has a black screen when running in Bootcamp Windows 7.

Macbook pro 3 beeps after installing new memory