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1. Remove Battery 2. Remove all cables attached to the computer including AC Adapter 3. Hold on the power button for 60 seconds 4. Release power button and install the battery. 5. Power on the laptop 6. When Windows loads, attached the power cable 7. issue resolved.
There are actually adapters for SATA powered devices as long as you have the required SATA data cable connection to your motherboard. Click here to see an example of this item from ebay. All you would have to do is plug in the adapter into any free connection on your existing power supply and then plug in the SATA data cable both into your drive and the motherboard. There are actually SATA data cable adapters if you don't have that either, but i'll just stick to answering your question! (:
not really a solution but I found this on the asus website
Diagnostics: 1. Power On by Battery only? (Y = 2, N = 4) 2. Able to see BIOS (ASUS Logo)? (Y = 3, N = A) 3. Able to load the OS? (Y = B, N = A) 4. Adapter power LED on? (Y = 5, N = C) 5. Power On by Adapter only? (Y = 6, N = A) 6. Able to see BIOS (ASUS Logo)? (Y = 7, N = A) 7. Able to load O/S? (Y = D, N = A)
Symptom & Solutions: A = Problem may be caused by defective MB/HDD/NB. Please visit local service centre for repair. B = Problem may be caused by OS, please re-install the system again. C = Adapter Problem. Please check the power cord connection. Otherwise, visit the local service centre for replacement. D = Battery problem. Please check the connectivity of the battery. Otherwise, please visit local service centre for repair.
Sound like 'classic' failing capacitor symptoms to me... RMA the power supply if you're able to, start scraping together some cash for either a rebuild (replace capacitors) if you can't OR purchase a NEW PSU
Once you get the system running... I would recommend you leave it turned on 24/7 as this will keep the failing capacitors at a static temperature (instead of the heating/cooling cycle) thus milking the last bit off life out of it while you secure a replacement unit.