![]() If someone can take a look over and tell me what I messed up and if I did something wrong, because this is my first hackintosh on a laptop and took my some time to understand the DSDT patching. Lenovo NVME ( swapped with Samsung 970 EVO ) WiFi (is intel and my swapped wifi card BCM943602BAED is on it's way) Touchscreen ( single touch, but with payed UPDD driver also multitouch is working ) Touchpad ( gestures are a bit messed up ) I've attached my EFI, my DSDT.dsl and my ioreg. I've tried to compiled again my DSDT and put it back but it seems is no longer working. I've patched my DSDT and battery level, sleep, hibernate and brightness buttons were working ok and after few days I lost those after the laptop entered in hibernate and at startup I received BIOS CMOS Checksum error. I was able to install Mojave 10.14.4 on my Lenovo X380 Yoga.Įverything is almost working correct. The minute that you disconnect the AC power, and also remove the battery, your CMOS battery lacks enough charge to continually "trickle" power to the CMOS, and you lose the CMOS settings, and that triggers the " CMOS Checksum Error".Building a CustoMac Hackintosh: Buyer's Guide Thus, the CMOS settings, including date/time, remain unaffected.įace it - your CMOS battery is "on life-support", and only "non-stop" power has kept it "alive". I never get a " CMOS Checksum Error", because the laptop's "healthy" CMOS battery continues to supply "trickle" power to the CMOS. Then, I hibernate the laptop, swap to the other (fully-charged) battery, "wake" the laptop, and continue to use it. So, I use one battery, until its charge runs down. When I am travelling (long bus or train or ferry trip), there is no opportunity to use the laptop's charger. I have two "main" functional batteries for my laptop. Don't believe everything you read on the Internet. Suggests that a CMOS battery lasts for 2 to 10 years, but lasts longer when the laptop is receiving power (battery or As far as I know does the main battery also serve as the CMOS battery. But, it can happen.Ī Google-search for: how long does a cmos battery last in a laptop ![]() I think that It is rare for a CMOS battery that was "new" in 2019 to fail in 2021. Where a definiton appears universal, no identification is made. The current version of MSD reports my XT as having 20+ MB of extended memory. Finding nothing could mean that you have not done enough searching.ĭid you also write the responses to it? Did you try any of those responses? Most BIOSes will generate a CMOS Checksum error if this value is invalid however many programs ignore the checksum and report the apparent value. But, of course, some people will say that it has happened to them. I cannot find any creditable picture on the Internet of anyone being hijacked into an alien spacecraft that was hiding in the tail of the Hale-Bopp comet. > I cannot find any post where somebody tried replacing a CMOS battery of this model. If these two values don’t match, the PC may return a CMOS checksum error. Jika Anda menerima wanti-wanti kesalahan ini, kamu harus menjalankan laptop selama 24 jam bagi mengawasi apakah mengisi lagi baterai. Tiga tipe terdahulu dari pesan error: CMOS Checksum Error, CMOS Read Error and CMOS Battery Failure. When you shut down your PC, the CMOS records a number that must match another that the BIOS generates when you start the computer again. Nama akhir bahwa baterai CMOS akan mati adalah bahwa kamu akan memufakati pesan kesalahan. When you removed the battery, the "deadness" of the CMOS battery became noticeable. The CMOS checksum error is a conflict between the CMOS and the BIOS that happens when you boot your PC. The main battery could have been providing a "trickle" of charge to the CMOS battery, to keep it working. That probably is the first time that you ever removed the main battery from the computer. ![]()
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