So I have scoured the forum intensley for a solution here is the problem:
I have an Asus N550JK-DB74T which when I try to boot get's passed the Asus splash logo then hangs.
The responsiveness of keys which indicate if they are switched on or off tells me the system hangs (When I press the Cap locks key; If press it quick enough it responds to that light on and off, then nothing, it either sticks on or off)
The hard drive has been tested by myself and seems to have no issues, like I said the disc drive spins but to no avail.
here is the list of things I have attempted so far:
- I have reseated the RAM one by one, also checking operation in another computer (OK)
- Next was trying to boot with a LinuxLive USB/DVD/CD (FAILED)
- I then proceeded to break the laptop down into bare bones connecting to external monitor and no battery installed. Asus splash logo appeared and same as before (FAILED)
- I then proceeded to remove the CMOS Battery leaving it out for a day (FAILED
- I took the computer completely apart, cleaned it reapplying thermal pads or any thermal paste in specific areas where they were previously.
- I tried looking for any physical or visual damage on the motherboard, corroded areas or broken parts. But nothing looked wrong (FAILED)
- Attempted to use a PCMIA/USB Diagnostic card for post codes, vaguely understood parts of what was being outputted but I am uncertain whether this piece of hardware is useful or rubbish (FAILED)
- All key combinations known to man kind but laptop keeps hanging after splash logo (FAILED)
So I am pretty much at the end of any ideas bar one which would be my final resort.
It is worth mentioning this is a laptop which ironically operated on my desk as more of a desktop than a laptop so no physical damage in terms of knocking could happen. I would 9/10 put my laptop into hibernation mode and the laptop itself would be plugged all the time. It's running Windows 10 64Bit.
Again I don't use this for anything intensive other than heavy web browsing video streaming simultaneously etc. To add also I had it hooked up to two identical monitors one via HDMI and another via the Display port.
Here is the important part; I really don't want to RMA it purely for the intensive purpose of LEARNING how to fix things myself. I have struggled to find any schematics on this particular model so if anyone has them that would be greatly appreciated.
Also if anyone has any specific ideas on how to test parts on the motherboard for the process of diagnosing failed chips etc would be even better.
Please only serious responses.
Thanks
*Something else just popped into my head, but I vaguely remember when I tried installing new RAM modules on my friends lenovo laptop that it was locked down to specific hardware approved by lenovo. Could this be the cause? I fail to see how purely for the fact there is no POST message but then again it wouldn't surprise me if a vendor didn't add this. Lets say if for some unknown reason a driver for specific hardware in the laptop became corrupted? But surely it would go off the PID's of the device...I'm stuck
I have an Asus N550JK-DB74T which when I try to boot get's passed the Asus splash logo then hangs.
The responsiveness of keys which indicate if they are switched on or off tells me the system hangs (When I press the Cap locks key; If press it quick enough it responds to that light on and off, then nothing, it either sticks on or off)
The hard drive has been tested by myself and seems to have no issues, like I said the disc drive spins but to no avail.
here is the list of things I have attempted so far:
- I have reseated the RAM one by one, also checking operation in another computer (OK)
- Next was trying to boot with a LinuxLive USB/DVD/CD (FAILED)
- I then proceeded to break the laptop down into bare bones connecting to external monitor and no battery installed. Asus splash logo appeared and same as before (FAILED)
- I then proceeded to remove the CMOS Battery leaving it out for a day (FAILED
- I took the computer completely apart, cleaned it reapplying thermal pads or any thermal paste in specific areas where they were previously.
- I tried looking for any physical or visual damage on the motherboard, corroded areas or broken parts. But nothing looked wrong (FAILED)
- Attempted to use a PCMIA/USB Diagnostic card for post codes, vaguely understood parts of what was being outputted but I am uncertain whether this piece of hardware is useful or rubbish (FAILED)
- All key combinations known to man kind but laptop keeps hanging after splash logo (FAILED)
So I am pretty much at the end of any ideas bar one which would be my final resort.
It is worth mentioning this is a laptop which ironically operated on my desk as more of a desktop than a laptop so no physical damage in terms of knocking could happen. I would 9/10 put my laptop into hibernation mode and the laptop itself would be plugged all the time. It's running Windows 10 64Bit.
Again I don't use this for anything intensive other than heavy web browsing video streaming simultaneously etc. To add also I had it hooked up to two identical monitors one via HDMI and another via the Display port.
Here is the important part; I really don't want to RMA it purely for the intensive purpose of LEARNING how to fix things myself. I have struggled to find any schematics on this particular model so if anyone has them that would be greatly appreciated.
Also if anyone has any specific ideas on how to test parts on the motherboard for the process of diagnosing failed chips etc would be even better.
Please only serious responses.
Thanks
*Something else just popped into my head, but I vaguely remember when I tried installing new RAM modules on my friends lenovo laptop that it was locked down to specific hardware approved by lenovo. Could this be the cause? I fail to see how purely for the fact there is no POST message but then again it wouldn't surprise me if a vendor didn't add this. Lets say if for some unknown reason a driver for specific hardware in the laptop became corrupted? But surely it would go off the PID's of the device...I'm stuck