pram

I am dusting off my old Mid 2005 PowerMac mini with OS 9, Tiger, and Lion for the occasional nostalgia trip. The PRAM battery is toast. Is this the same CR2032 that is in the later 10,2? Would like to make sure I have what's needed before cracking the case to replace the drive with an ATA SSD...

Hi I have a Macbook Pro A1990 emc 3215 mid 2018 15" model. It has had its OS removed so I need to reinstall MacOS. No matter what keys I press it always boots to internet recovery (I've tried to do PRAM clear, CMD+R for recovery mode, Option key for boot options, D for diagnostics). When I...

Mid 2015 MacBook Air shuts down immediately after being unplugged. Tried replacing battery, and computer recognizes battery health as normal. Tried resetting SMC and PRAM. Resetting SMC solved it for maybe a day or so but back to it’s old ways. I was told it could be a logic board issue, but I...

A Mac Mini (A1176) I have wasn’t saving the date and time/wifi so I ordered a new PRAM battery. I put it in but the date and time/wifi still isn’t being saved. I flipped it around but the same issue occurred. I have pushed the metal fingers as close to the battery as I can, yet it still wiggles...

Hello everyone, hope someone can suggest something, I already tried everything I could... MacBook Pro Retina, 13-inch, Mid 2014 Model Identifier: MacBookPro11,1 Processor Name: Dual-Core Intel Core i5 Processor Speed: 2,6 GHz Number of Processors: 1 Total Number of Cores...

I am using a Mac Pro 2013 6-Core 3.5GHz 64GB RAM Dual D500 machine with a fresh install of macOS Catalina 10.5.3 which was working like a charm (flawlessly) until I tried to install Windows 10 Pro (64 bits) using BootCamp, everything went fine until macOS asked to reboot the machine to continue...

I wanted to install windows, and did it the simple way by taking the SSD out of my windows machine, and plugging it into my Mac Pro 5,1. The first time, I used the original HD5770 and everything booted just fine. I went ahead and installed the bootcamp ánd AMD drivers, so my RX580 could be used...

Hi. Ive spent a lot of time now searching around the internet for this and unfortunately havent found a solution. I have a Mac Pro 5,1 running high sierra. Until earlier this week it had a GTX980ti running as the gpu. I had to reset the pram as part of other hardware changes, and after booting...

Hi guys, My just started my powerbook 17" for the first time in a while and it seems to have forgotten the time and the WiFI network. has anyone changed these before, and if so how easy task is it? Has anyone got any suggestions of where would be the best place to get a new pram batter? don't...

I'm running Mojave on a 2018 13" MacBook Pro (2.3GHz i5/16GB) and there's a frequent graphics issue where the whole system stalls every few seconds. Even under low/no load, if I move the cursor around it'll freeze and then jump to another spot ever two or three seconds. If a video's playing...

The keyboard and trackpad of my MacBook Pro 2015 suddenly stopped working. I searched the Internet and did a SMC and PRAM (NVRAM) reset with an external keyboard. The PRAM reset (I reset the PRAM with command+option+P+R as explained here) helped solve the issue: I could use the keyboard and...

I have just managed to resurrect my macbook that has been dead for 8 months, but now its doing that thing that I have read some macbooks do. The keyboard and the trackpad are not showing signs of functioning. I know that the keyboard does work because that is how I turned the screen on in the...

Hello. I'm using a MacBook Pro (Retina 13-inch, Late 2013) with a 2,8 GHz Intel Core i7 processor and 16 GB 1600 MHz DDR 3 RAM. Graphics chip is Intel Iris 1536 MB. My operating system version is macOS Sierra 10.12.2. Yesterday, I connected my MacBook to an external display (Dell UP3216Q - 31.5...

Hi, I have a Macbook Pro Retina, Early 2015, and I've been running into some problems lately. The built-in keyboard and trackpad isn't working, and I really need it working since I use it for uni. I've checked mostly everything, done anything within my power. I'm too afraid to open it up and...

Hi guys, I recently started having issues with Macbook 12 inch freezing randomly during video playback/heavy java use on the internet mainly YouTube + other java intensive sites. Now it will barely startup. I tried resetting PRAM, SMC, Safe Mode & Internet Recovery. Reboot after Internet...

I need your help and expert suggestion. I have a Retina Mid-2015 15" - MacBookPro11,4 (IG) - A1398. It was working last 2 years without any issue. Suddenly 2 days before doesn’t turn it on. The mega safe adapter light stays on Green. I have made some attempt 1. Reset the System Management...

Hi everybody, I'm writing here after a huge research on the web without success, it seems that nobody had a solutions for this annoying problem. It's a very simple thing...my cMP especially after many hours of running it doesn't shut down when I do it but it restart. When I do that 2 times it...

Hi! I have a early 2011 macbook pro with a failed AMD GPU and I'm trying to fix it following the instructions of that MacRumors thread. However I'm in a dead end trying to resetting the PRAM. I need it in order to reset the startup disk and make the laptop boot from OSX which has been...

Hello all, I've got a Mac Pro 2,1 which I've upgraded both the firmware and SMC from 1,1. It seems to run perfectly fine on OS X Mavericks and wakes from sleep with no issue. The fans may run a bit high (around 1800rpm) but it isn't as bothersome as the Windows 7 side. After I wake up the...

So after switching out the original RAM, and replacing the original battery, my macbook booted perfectly, and everything seemed normal. Battery charged, RAM was registered and nothing else bothered me. Now, two days later, it's a whole different story. The machine is having trouble booting up...