This Acer Aspire laptop does not shut down correctly. It happens when the unit hibernates, when the clamshell is closed and even after a shutdown when laptop is turned off. You can restart after a successful start. Takes a half-hour after "attempting repairs" The hard drive is cleaned of temporary files and internet files, cache, registry with ccleaner, checked for spyware, suspicious software with RogueKiller, ComboFix, and Security Essentials full scan. Windows 7 operating system, Updates are complete and check disk has been done. No hardware glitches can be observed. No blinks, interruptions, or overheating.
Try tweaking.com , windows repair it may take some time
First remove any new, or unnecessary hardware, extra mouse / keyboard / monitors / dongles / and even the battery.
Try again, and if possible, get into 'safe mode' by pressing F8.
If it is stable in safe mode, you at least can try removing devices under, START / CONTROL PANEL / SYSTEM / HARDWARE / DEVICE MANAGER. Then whilst disabling various devices, try booting again into normal mode, and obtain a new, AND correct driver for whatever piece of hardware was deemed to be at fault.
Erik.
SOURCE: automatic shutdown without notice
its because CPU get hot. check the cpu fan or
clean that, heatsink of cpu fan must be clean and closed to cpu.
SOURCE: my acer aspire 5520 keeps shutting down on boot
Insert your restore CD if errors are found and not fixed by the checkdisk function listed above. Turn your computer off and then back on. You'll beasked to hit any button to boot from your CD; press any key. You will then beasked if you want to install a fresh version of your OS or "Repair" acurrent copy. Choose the "Repair" option.
SOURCE: when i connect the speakers
Dont worry abt it since it is using usb as the power source and not for data transfer.
SOURCE: Pass Words
Reboot the computer As the computer is booting repeatadly press the F8 key as the computer is booting If done properly the user should get to a screen similar to the below screen. Select the option for Safe mode command prompt only Windows Advanced Options Menu Safe Mode Enable Boot Logging Start Windows Normally Use the up and down arrow keys to move the highlight to your choice select safe mode with command prompt Click start run type cmd press Enter black screen should open DOS mode this will vary depending on your operating system type in net user username For eg. If you want to change administrator password , type net user Administrator it will prompt you to enter the new password enter the new password and the password is changed
Please select an option:
Safe Mode with Networking
Safe Mode with Command Prompt
Enable VGA mode
Last Known Good Configuration (your most recent settings that worked)
Directory Services Restore Mode (Windows domain controllers only)
Debugging Mode
Reboot
Return to OS Choices Menu
hope this helps
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