What stage is it failing to boot to Windows 7? Have you actually managed to boot off the installation CD/DVD or USB?
I suspect you haven't and that's the problem at a guess. You may need to disable "secure boot" in the BIOS. This prevent the system booting from other devices. Once disabled you should be able to boot from the installation DVD or USB. If you are using a DVD and have disable secure boot I would try installing from a USB drive. I have had this problem myself and the workaround was to install from USB.
If getting Windows 7 to install is not your problem, have tried starting the system in safe-mode?
SOURCE: DV9000 issues
hey, so ir dv9000 doesnt boot to hp logo screen & restart itself,first replace the cmos battery if thisdoesnt solves ur problem, the next time u boot check whether the rj45 & the dial up port give a led flash on start or not ,if not then u may have hape board ,cpu or power problem ....which can be fixed by repair only.
SOURCE: Boot sequence / bios password issues with Acer Aspire 5100
The finger print bull is how that password came up for me and they want a 125.00 to remove it. I called the better business bureau and filed a complaint. They shouldn't have any right to control your laptop. I to have a 6292 , took it apart as far as I could and could not find jumper or password. This is a gimmick to make money.
SOURCE: acer aspire 4520 bios lock cant format cause cannot boot from cdr
If you don't know the password to get into the BIOS then you will need to call Acer support but you will have to prove to them that your the owner of the laptop. There is no other way
SOURCE: 7720 will not boot
off course it is repairable dont worry look try to install OS thru the following procedure to factory default state
Acer: When you first turn on the laptop and see the Acer logo screen, hold the ALT key and press the F10 key (you need to do this before the Acer logo disappears).
if it installs the OS ok then fine if not
pls consider changing RAM take out from beneath the laptop open the cover all screws and take out the L shaped panel then u will see the RAM in front with 2 chips one uper and one lower side try to take out both and then re fit only one in the upper slot and then try to install if hangs again , then try the 2nd chip in the first slot and repeat the procedure if it works ok only try both chips one by one if it resolves ur issue and u find the faulty one replace it with new one with sam specs
in the last case if ur system still hangs then my friend ur hard disk is giving u hard time it needs replacement
when a system boots after bios loading all that is trf from Hdisk to RAM and then OS is loaded if one have problem system will hang or freeze try these solutions and then tell me the results
pls go step by step
and pls rate me fixya if i fixed ur problem
kindly let me know abt it and tell me in detail the messages u get and the system behaviour
SOURCE: Need tor Reset Bios Password Acer 4315 "00643" <-
Don't even mess with software or gimmicls here because they don't work on laptops. This is something I've done numerous times and on all kinds of Acer laptops. You need to locate your Cmos battery, also known as the RTC battery. If you cannot find it, it means that it is on a place on the motherboard that cannot be seen from any access panel or opening. There is a battery, it is just out of the way. The trick here is that when you find it, you must "short" the two pins of the coket on the motherboard, that is the socket that the battery plug fits into. The easiest way is to get another rtc battery and caut the plug off, bare the wires and twist them together and cover with tape. This shorts out the pins and does a very nice job. Place this "shorting" plug in the socket on the motherboard and power up the laptop. Just keep it powered up for about 30-45 seconds and then power it down. Remove the "shorting" plug and reattach the normal RTC battery. Put the laptop back together and reboot. You will have to reset the BIOS now since it will have ben all reset. I'll get you a service manual that may help in your quest. It will be below...good luck, ParrotHead PC Repair.
http://tim.id.au/laptops/acer/aspire%204715z%204315.pdf
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