How do I reset to factory defaults

Windows key > All programs >Acer Empowering Technology>eRecovery management>Restore>Factory(Top of list)..

Or

If computer will not boot.
Tune computer ON
When Acer splash is on screen hold Alt and keep pressing F10...

Select factory from top of list.
You will need a password , the default is "000000" (Six zeros).

Recommend you use the first option if you can...
1. Power on the machine.
2. At the ACER BIOS screen, hold the "Alt" key and press the "F10" key simultaneously to start Acer eRecovery. The window of opportunity is very small, so this may take a few attempts.
3. Once eRecovery has loaded, click "Restore to Factory Default Settings" (the password is six zeros, 0.0.0.0.0.0.).
4. Click "OK" to continue.
5. From here, the eRecovery process will update all the data on the C: drive and restore the factory image (approximately 10 minutes).
6. Once eRecovery has run, press "OK" to reboot unit.

***This will erase all your unsaved data!***

Or

Running System Recovery from Windows

1. Click Start>All Programs>Acer Empowering Technology.
2. Select Acer eRecovery Management.
3. Select Restore (bottom of eRecovery screen).
4. Select Restore system to factory default (the password is six zeros, 0.0.0.0.0.0.).
5. Select Yes then Next, the system will reboot and start the recovery.

Or

1. Reboot, and press F8.
2. Select Repair.
3. Select Reinstall Windows and follow prompts.

***This will erase all your unsaved data!***

Instructions
Click "Start" and select "All Programs."
Click "Acer Empowering Technology," then "Acer
eRecovery Management."
Click "Acer eRecovery Management" in the Acer bar
that appears on your desktop. The "Acer eRecovery Management" window will open.
Click the "Restore" button.
Click "Restore System to Factory Default." Click
"Yes" to confirm. The system will restart and reset itself to factory settings.

it's a virus if you want i can remove it online

hi
there is two ways to do it.

Laptop Recovery Instructions
If you cant boot into windows

1. Power on the machine
2. At the white ACER BIOS screen, hold the "Alt" key and press the "F10" key
simultaneously to start Acer eRecovery
3. Once eRecovery has loaded, click "Restore to Factory Default Settings"
4. Click "OK" to continue
5. From here, the eRecovery process will update all the data on the C: drive
and restore a fully functional factory image (approximately 10 minutes).
6. Once eRecovery has run, press "OK" to reboot unit

If you can boot into windows

Click "START"
All Programs
Acer/ Packard Bell/ E-machine recovery
Select "Recovery management"
Click "Restore"
Click "Fully restore to factory default"
NB: This process takes about 15 to 20 min

Unlike other laptops, Acer notebook/laptops integrate a computer management utility called 'Acer eRecovery Management' to create backup of hard drive data, create restore point, reinstall applications & drivers, and reset Acer Aspire 4315 to factory setting.

Step 1: Before starting your Acer Aspire 4315 laptop, ensure that there is no external storage device attached to it. Now start your laptop.

Step 2: Press 'Alt + F10' when the laptop starts booting, and wait for a moment while Windows loads the reset files.

Step 3: When 'Acer eRecovery Management' window appears, select 'Restore System from factory default' and click 'Next' to continue.

Step 4: Again click 'Next' to reset your Acer laptop. This process will erase all data from your hard disk and reset your Acer one to original factory settings.

Step 5: Click 'OK' in the notification window to begin the the resetting operation. Now wait while your Acer Aspire 4315 is reset to factory settings.

Tips: You can also create a backup copy of your notebook data before factory reset. Simply click 'Backup' in 'Acer eRecovery Management' window.

If you face any issue with your Acer Aspire 4315 Notebook/Laptops/Desktop, feel free to get expert technical assistance at http://www.vtechsquad.com/acer-support/

Restore and recovery
The restore and recovery features allow you to restore or recover the system
from a factory default image, from a user created image, or from previously
created CD and DVD backups. You can also reinstall applications and drivers for
your Acer system.
1 Press <Alt> + <F10> or select Acer eRecovery Management from the
Empowering Technology toolbar to start Acer eRecovery Management.
2 Switch to the restore and recovery page by selecting the Restore button.
3 Select the backup point you would like to restore from. You can also
choose to recover the system from a factory default image, recover from a
previously created CD/DVD or reinstall applications and drivers.
4 Follow the instructions on screen to complete the process

Unlike other laptops, Acer laptops integrate a computer management utility called 'Acer eRecovery Management' to create backup of hard drive data, create restore point, reinstall applications & drivers, and reset Acer laptop to factory setting.

Step 1: Before starting your Acer laptop, ensure that there is no external storage device attached to it. Now start your laptop.

Step 2: Press 'Alt + F10' when the laptop starts booting, and wait for a moment while Windows loads the reset files.

Step 3: When 'Acer eRecovery Management' window appears, select 'Restore System from factory default' and click 'Next' to continue.

Step 4: Again click 'Next' to reset your Acer laptop. This process will erase all data from your hard disk and reset your Acer laptop to original factory settings.

Step 5: Click 'OK' in the notification window to begin the the resetting operation. Now wait while your Acer laptop is reset to factory settings.

Tips: You can also create a backup copy of your laptop data before factory reset. Simply click 'Backup' in 'Acer eRecovery Management' window.

If you face any issue with your Acer Notebook, feel free to get expert technical assistance at http://www.vtechsquad.com/acer-support/

This was taken straight out of the manual for your model, which can be found here.

Acer eRecovery Management
Acer eRecovery Management is a tool to quickly backup and restore the system.
You can create and save a backup of the current system configuration to hard
disk, CD or DVD. You can also backup/restore the factory default image, and
reinstall applications and drivers.

Acer eRecovery Management consists of the following functions:

1 Create backup
2 Burn backup disc
3 Restore and recovery

This chapter will guide you through each process.
Note: This feature is only available on certain models. For systems
that do not have a built-in optical disc burner, plug in an external
optical disc burner before entering Acer eRecovery Management
for optical disc-related tasks.

When using Acer eRecovery Management, you may be prompted to enter the
Empowering Technology password to proceed. The Empowering Technology
password is set using the Empowering Technology toolbar or when first running
Acer eLock Management or Acer eRecovery Management.

Create backup

You can easily create full and fast (incremental) backup images of your system
configuration to hard disk from the main Acer eRecovery Management screen.
Note: Fast (incremental) Backup is only available after a Full
Backup is made.

1 Press <Alt> + <F10> or select Acer eRecovery Management from the
Empowering Technology toolbar to start Acer eRecovery Management.
2 In the Acer eRecovery Management window, select the type of backup you
want to create using Full or Fast.
3 Follow the instructions on screen to complete the process.
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Burn backup disc
Using the Burn Disc page of Acer eRecovery Management, you can burn the
factory default image, a user backup image, the current system configuration,
or an application backup image to CD or DVD.
1 Press <Alt> + <F10> or select Acer eRecovery Management from the
Empowering Technology toolbar to start Acer eRecovery Management.
2 Switch to the Burn Disc page by selecting the Burn Disc button.
3 Select the type of backup (factory default, user, current system,
application) you would like to burn to disc. Choosing to burn a user backup
will burn your most recently created backup image to disc.
4 Follow the instructions on screen to complete the process.
Note: Create a factory default image when you want to burn a
bootable disc that contains your computer's entire operating
system as it was delivered to you from the factory. If you wish to
have a disc that will allow you to browse the contents and install
selected drivers and applications, create an application backup
image instead — this disc will not be bootable.

Restore and recovery

The restore and recovery features allow you to restore or recover the system
from a factory default image, from a user created image, or from previously
created CD and DVD backups. You can also reinstall applications and drivers for
your Acer system.
1 Press <Alt> + <F10> or select Acer eRecovery Management from the
Empowering Technology toolbar to start Acer eRecovery Management.
2 Switch to the restore and recovery page by selecting the Restore button.
3 Select the backup point you would like to restore from. You can also
choose to recover the system from a factory default image, recover from a
previously created CD/DVD or reinstall applications and drivers.
4 Follow the instructions on screen to complete the process.

There are two way's you can restore your laptop,

When you power on your laptop the acer splash screen pop's up, at that time press the -Alt- key and F10 key at the same time,
at the eRecovery Management menu it should ask you how you want to restore, click on the restore option, or

From the window's desktop click on start, then all program's, then acer Empowering Technology, click on Acer eRecovery Management, create a password, click on restore, then click on restore system to factroy default.

If windows is running you can start it by going to Programs, Acer Empowering Technology and run the Acer eRecovery Management. Note that on the bottom of the eRecovery Management window are 3 choices, Backup, Burn Disk and Restore. Click on Restore. Here you have the choice of select Restore System to Factory Default.

If windows is not working but the system boots -
Reboot the system and when the Acer logo appears, hold down the ALT key and press F10. This starts the recovery process, just follow the instructions.