3 beeps

Hi everyone! So got myself my second TiBook (the other is in my apartment, this one at my parents place) for 15€. So not a lot of money, but in the seller's blurry pictures it actually looked quite good, just said "untested because no charger". So I got the computer; it's (like most TiBook out...

Hi, I recently upgraded my ram in a 2009 MacBook pro and when I turned it back on I started getting the 3 beeps with nothing on screen. Carried out a troubleshoot of ram and slots below. I reinstalled old ram in both slots and got 3 beeps and nothing on screen. Then only installed new ram...

i have a macbook pro 15", bought mid 2010, with 2x 4gb ram. after testing, i realized that top ram slot has gone bad. can i use single 8gb ram instead of 4gb ram? My MacBook Pro detail is Intro. April 13, 2010 Disc. February 24, 2011 Order MC373LL/A* Model A1286 (EMC 2353*) Family Mid-2010 15"...

Hi yall, I recently upgraded my early 2011 MBP with the OWC NUPower battery, OWC 2x8 gbs Ram and a WD 250gb ssd. I installed the OSX Lion onto the ssd and updated it to OSX El Capitan. The computer runs a lot faster and smoother than before, but the only problem I am encountering is a crash...

If you have ever opened up the compartment on the back of an iMac you'll see that Apple install the memory with a slot gap between modules so naturally when I saw this I thought, ok, I am not going to change what apple have setup so I will just install my new ram modules in the remaining slots...

Recently I'm getting three repeating sets of beeps with my original set of Kingston 2 x 4gb sticks of ram. So I've tested each stick separately in each bay and they work fine. No beeps when only one stick is in either bay. I've reset the PRAM, etc. Then I purchased two sticks of 8gb from...