Alright here goes. friend of mine brought a laptop to me today with some problems. after bios boot it would go into an error. he wanted me to just reinstall 7 since ive used the resources here to do several other systems for friends of mine. now comes the odd part. After i installed it on his laptop (acer aspire 5517) it ran fine. got all the windows updates etc. everything worked just fine. he went home got online and after about 15 minutes, went to an error screen and now it just goes into black screen and becomes unresponsive right after displaying the bios manufacturer etc. cannot get INTO bios, just freezes at the keypress or shortly thereafter. I am assuming the install and problem arent related, but you guys are the pros here. used daz bootloader btw in case of questions. anyone have any ideas on this? also i have already done all the pull out hdd ram battery check components stuff.