I've been trying to diagnose some odd issues with my laptop for a long time now. I suspect something is wrong with the motherboard which makes me wonder if it came with a defect. I read two threads that look related to my issues but don't seem to be completely related.
G751 series 0% battery and shut downs PROBLEMI do have shutdown problems, but this happens while plugged in, and while unplugged, while the battery is still above 95%. I've left my machine unplugged longer just to see and it is just fine. The problem is quite random and semi rare. The battery drains fine and charges fine. However it did shut down when I was playing EVE Online just two days ago, while plugged in. This is what lead me to suspect that I need to do something about this immediately because it may not be battery related.
The time it shut down on battery power was after I unplugged it and was packing my machine to take back home at a hotspot. It lost power 3 seconds after I unplugged it, I hit the power button to boot up and the instant I hit the desktop screen, it shut down again. I did this one more time and it was fine, it had no issue staying on. So I put it back into sleep mode and put it in my backpack to take back home. The power failure didn't happen again until two days ago as I said above.
I also have an orange and green alternating battery light now, because of that power failure two days ago. I have not yet tried the info stated in
this thread as I don't know if it will help my particular issue of the random shutdowns. The battery blinking light reminds me each day that I wake up that something is wrong with my computer so I like the light.
I have some other bizarre issues though.
The corner of my keyboard takes multiple presses to hit keys. "Delete, Print Screen, Pause, =, -, [, ], \" and then another key from a different area of the keyboard and only that key over there, the number pad 0 key. I have to hard press or hold or multi press to get them to register.
I recently found the sensor names for my fan speed and put that into HWInfo64 so that I can check my fan speeds. However, they seem, glitchy. They go grey every other check, which happens every 2 seconds. Averaging 2000 for GPU and 2100 for CPU. Not sure what the minimum speed is or the maximum but I got it up to 3400. There's also another problem. 5 days straight of this, it seems it causes the system to become unstable, and badly so. I shut down the computer to fix the bizarre system glitches like keyboard text lagging behind or start menu crashing and everything shut down fine, windows shut down, and then the screen turned off... But the keyboard backlight was stuck on, the power LEDs were on, and the fans were still going. I had to hold the power button to shut down the machine. It was outside of the OS at this point, there was no way the OS was keeping it on. The second time my instability happened, the backlight to my keyboard shutdown, the start menu crashed, and a few other bizarre issues I don't remember. Both times Rainmeter froze up. Same thing, shutting down kept the machine on but technically off. I had to hold the power button. I stopped running hwinfo and I can shut down normally now. Before I found the fan sensor names to monitor them, I ran hwinfo constantly, for months at a time even. No issues other than the corner of my keyboard problem which is unrelated probably.
I mean, if reading a sensor causes instability, there must be something wrong with the motherboard, right?
-------
I've loved Asus laptops for a long time now, my first was a G74Sx, lasted 4 years and somehow the power ribbon melted according to the repair team who spent 2 months repairing the machine. Interestingly I didn't even know the power ribbon was melted, I sent it in because it took fall damage and the CPU fan failed and the keyboard was having issues. Other than that the OS worked perfectly, you'd suspect that if whatever a power ribbon is was melted, it wouldn't work at all.
I've looked into buying a new Asus laptop, but I don't like them anymore because Asus is removing keys I use from the keyboard, and worse making them come with two power cables. Now, I don't mind a heavy laptop as long as it is sturdy and has what I need. Asus is removing keys to shrink the keyboard for literally no reason at all. Its a 17.3" laptop, its not like the space for the keyboard is decreasing. Stop removing keys! I like my number pad, I like it to stay in number pad mode and not that crappy mode that makes my numbers activate things like end, home, page. I use my number pad for numbers, a lot. I also use my home key, end key, sometimes page up and down in games. I'm already annoyed the insert key was deleted and put inside my delete key, hows that for irony. I used to use that in games like Starcraft 2. For this reason, I may not stay with Asus anymore, as they keep deleting my keys for no apparent reason at all. I still miss media keys too but apparently no laptop designer does that anymore...