Question about HP Compaq Presario CQ40-330TU
If you can get it to boot change the power settings to high performance, sleep and hibernate to never and the screen saver to never.
Posted on Jan 18, 2013
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Posted on Jan 02, 2017
You either have a screen that has gone and needs to be replaced or a cheaper fix and usually a more likely one is that the inverter in the screen has gone out. The inverter is quite cheap, around $34.00. Try it
Posted on Dec 04, 2008
Compaq/HP: When you first turn on the laptop and see the Compaq/HP logo screen, press the F11 key (you need to do this before the Compaq/HP logo disappears).
pls rate well
Posted on May 07, 2009
when upower up press F8 key then enter in enable vga mode.
then set screeen resolution to 1024*768
and if u r not abled to login enable vga then enter in safe mode.
then go to start menu run then type in run "chkdsk /r"
then restart it then it fix error on hardddisk.
Posted on Jun 08, 2009
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Sep 25, 2014 | HP Compaq Presario CQ57-229WM Notebook PC
While many problems can be solved by less drastic measures, Compaq owners sometimes need to restore their computers back to factory new condition.
If the operating system becomes corrupt, or if the computer is struck with a persistent virus, restoring the PC to its original factory default settings is often the best way to deal with the problem.
While older Compaqs relied on restore CDs to restore factory settings, newer machines come with a recovery partition built into the unit.
Shut down the Compaq computer and wait for it to power off.
Press the "Power" button to restart it.
Press the "F11" key as soon as you see a black screen.
This will boot the Compaq into the recovery partition.
Follow the on-screen instructions to back up any user files before the recovery process begins.
Click "Next" to start the recovery manager and follow the on-screen instructions.
Hope this helps.
Nov 29, 2012 | Compaq Presario SR1120NX 2.66GHZ Tower w/...
If your Compaq Presario has major issues, restoring it to factory defaults may be the best course of action.
There are a number of situations when completely restoring a computer to its factory settings is the best solution, including resolving virus infections and corrupt operating system files.
Back up all of your user data to a USB thumb drive, external hard drive or other device.
The restore process will destroy all of your data, so this is vital to do.
Turn on your computer and open your CD or DVD drive.
Place the restore CD that came with your Presario into the drive and restart your PC. If you do not have a restore CD, you can contact Compaq to order one.
Allow the computer to boot up from the restore CD.
You will see a series of messages guiding you through the restoration process, as well as several warnings that all data on the computer will be erased.
Continue the restoration process, and follow the prompts as needed.
You may need to locate the license key for your version of Windows; that key should be located on a label on the top of the computer case.
Hope this helps
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