Haefen

Thanks for your help. I was hoping it wouldn't come to that because I don't want to be without my laptop for that long, but at this point I feel I have tried all other available options.

I've done that several times. It makes no difference whatsoever. Not an easy nut to crack, this one.

I thought that earlier so I checked and the battery is okay. It remembers the time, if I change the settings etc. My mainboard and bios sets are: Mainboard Platform Compliance : Intel Centrino Mobile Technology Manufacturer : ASUSTeK Computer Inc. MPS Version : 1.40 Model : UL30A Type : Mainboard Version : 1.0 Serial Number : BSN12345678901234567 Asset Tag : ATN12345678901234567 BIOS : 64-0100-000001-00101111-122809-Cantiga Manufacturer : American Megatrends Inc. Version : 212 Plug & Play Version : 1.00 SMBIOS/DMI Version : 2.50 (EE)PROM Size : 1MB I'm starting to think that the problem is with SATA/AHCI. The last thing it says before I get the "reboot and select proper boot device"-message is "auto-detecting ahci port 0". Something fishy going on there...

I have used this thread to fix all issues I have with booting Windows 7 except one. I have googled like crazy for a solution to this problem but I haven't even come across someone with the same issue. Everytime I try to start my computer using the power button I get the following message: ""reboot and select proper boot device" Or, when I have booting from network enabled in the bios it does that instead. I've tried all kinds of combinations of settings in the bios (which has limited configuration options), I've updated to the newest bios firmware, I've reset it to the manufacturing settings. I've also disabled hibernating. If I restart by chosing "restart" in Windows it restarts completely normally (and really quickly now that I've used this thread and the thread on speeding up the boot process), recognizes the hard drive and boots from it immediately. If I shut down the computer or set it to hibernate and have to start it up with the power-button I get the "reboot and select proper boot device"-message. When I use the power button I can only get the computer to boot to windows by entering the bios and changing ANY setting -- after that it starts up normally (and the bios always recognizes the hard-drive and lists it wherever I left it in the boot-order last time I was in the bios). No other buttons works, except F2 which gets me to the bios. None of the other F-buttons, the esc-buttons or any other buttons I've tried do ANYTHING at all once I've pressed the power-button and the computer starts up. Since I've tried to change every setting I can change in the bios the only two options I can think of are problems with the hardware or in the windows settings. My laptop is Asus ul30a and my OS is Windows 7 64bit. Any suggestions on how I can find out the cause of this power-button-induced problem using the methods from this post? Or any other method?

Just wanted to say thanks! This thread saved my sanity -- I was at the end of my rope after having reinstalled windows twice and the information I found here (and a few days of fiddling with drivers and running tests over and over again) is what fixed my boot-up/hibernation/resume issues.