Black screen after turn on

Reinstall wireless drivers please. Post result here. Thank you

Try downloading and reinstalling the wifi driver.

Get online and got to www.google.com In the google search box type: "Dell Support" (without the quotes and put your manufacturer name before Support). Look for downloads and drivers. Enter your model number and operating system when requested. Download and install the Network drivers.

If the problem is not solved try running the Check Disk Utility.

To run the check disk utility you will need a repair disc or a operating system disc. Put the disc in the cd drive and boot from it. You want to get to the Dos Command Prompt (Black screen with white letters) and type the following command: chkdsk /r
Check disk will run well over an hour or two and you will notice the percentages going from high to low, this is normal. Let it run to completion. Then reboot machine.

If check disk fails to solve your problem you might have to reinstall windows. Try doing a Repair Install that way you don't loose your data, documents, music, pictures, videos or programs.

In windows xp you get to the dos command prompt by selecting R for repair when the options appear.

In Vista and Windows 7 you want to get to the recovery console and look down at the bottom of the window for the Dos Command.
Try System Restore to roll your system back before the problem started.

You could try rolling your system back to a date when it was working correctly if you have a good idea of when the problem started. Click Start/Programs/Accessories/System Tools/System Restore. System Restore will allow you to select a Restore Point (date and time) before you started having the problem. System Restore does not delete your data, documents, music, pictures, videos or programs (unless the program was installed after the restore point you selected. In Windows 7 just click Start then type: System Restore in the search box and look up at the results and click System Restore.

System Recovery on the other hand deletes every thing and sets your system back to when you first purchased it.

Refer to this article on the Blue Screen of Death. It's probably not a virus just faulty hardware. Disable the automatic reboot option to write down the Error Code. Once you have the Error Code written down do a google search for the code and someone on the web will have the answer. I can't really help you because I don't know the Error Code. Just read the article and the wonderful people at lifehacker.com will steer you in the right direction:

http://lifehacker.com/5331615/bluescreenview-helps-troubleshoot-the-blue-screen-of-death

blue screen usually happen if there as a hardware conflict.
try to boot in to safemode : http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/boot_failsafe.mspx?mfr=true
try to remember the last hardware software that you have installed, and try to update or rollback it using device manager: http://pcsupport.about.com/od/windowsxp/f/opendmxp.htm just right click on the device and choose properties
or
in the safemode, perform a system restore: http://support.microsoft.com/kb/306084

Start up in safe mode, run CHKDSK/F then re boot.

this is a problem with the standby feature there is a patch that Microsoft has put out that should fix the problem i think the main cause is having a usb device plugged in when going to sleep, search Microsoft knowldege base and it should pop right up

If your booting to the splash screen ( ACER Logo screen ) then it goes black reboot - access the bios and do a bios hdd test - you mostlily find your hdd has died. Head scrash

Can you access the bios set up.

If the bios setup is running evrything is ok except the hard disk.

To find out if there is any problem with monitor just put off the monitor and disconnect it from the cpu. Then turn it back on. If the no signal message is coming, then monitor is ok.
Your hard disk is the main suspect

If the same blue screen comes then monitor need repairs.
You may also try with another monitor on your computer to see the results. If the sane happens it is the hard disk

hard drive is a main failure concern, check to ensure power supply is plugged in. sounds like you have a corrupted rgistry file-locate OS for that unit and hit ''repair'', should solve the problem.

You may have a corrupt driver, go to this site and down load vga driver, as i cannot see a grphics driver for your system http://support.acer-euro.com/drivers/notebook/as_1400.html