Question about HP Pavilion a340n (DQ099AABA) PC Desktop

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Hp 505n windows xp

Started off with clock not keeping time then for several months the computer would just shut down and restart now it will power on but not stay on

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  • ladysblewiz Jan 19, 2008

    i got the new battery and replaced it now i'm getting an error about the fan and it still wont stay powered up and system bios is shadowed( it tells me to press F2) and it says video bios is shadowed

  • ladysblewiz Jan 19, 2008

    ok i just tried to power it up again to see what it said about bios the shadowing now i pressed F2 got the info and walked away now it is to the desktop is the battery gonna solve this ? i read somewhere to leave it on 24 hours so i'll just shut the monitor off and see how it is when i get up tomorrow if it might be the motherboard any suggestions on where to find one ? thanks for your time

  • ladysblewiz Jan 19, 2008

    i also got bios checksum error what does bios mean and i looked in those settings bios it says a date of 2003 can you explain please thanks for your time

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Any pointer on how to flash my BIOS for hp pavilon 505n?

Please

Posted on Nov 13, 2008

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There's a small battery on the circuit board that helps the computer keep track of the time when it's off, so the original problem may be a defective battery.

The power problem could be caused by several things. It will require some testing by an experienced computer technician to figure out exactly what's wrong, but a defective power supply module is the most likely cause.

Other possiblities include a defective graphics adapter on the motherboard...or dust buildup around the microprocessor, which can cause overheating,

Posted on Jan 18, 2008

  • networkmagic Jan 19, 2008

    I recommend replacing the power supply module next....if you can find one for
    your model. The power supply is where the power cord plugs in...it's a
    metal box with large wires connected to the motherboard and all of the
    disk drives. Power supplies can have problems that are hard to detect,
    but a defective one could cause all of the symptoms you're
    experiencing, so it's a good place to start.

    BIOS = Binary Input Output System ...is a small program stored on the motherboard that gives the processor instructions it needs to access the disk drives and other parts of the computer.

    A BIOS checksum error could mean that the BIOS chip is defective. After pressing F2 use the menus to set system time and date. Then save and exit. If BIOS checksum error continues, next time try restoring the BIOS settings to defaults and save.

    Fan error....make sure the power supply fan and processor fan are both turning. If they're not working, your computer will overheat and shut off.




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I have a hp a288n desktop. It quit responding as it has done previously and it wouldn't turn off, so I turned it off by the power button. When I went to turn it back on it would not start. I have unplugged...


I've attached the steps needed to be taken if your computer does not turn off.
If you pc is turned off and you can't turn it on now, please provide me more informations like;
  • what is the color of your screen
  • what written on your screen
  • Can you see cursor blinking or arrow
  • Any error message displayed?
  • The HP or Compaq Logo Screens are Missing on Startup
  • When the pc stops responding, before or after Windows start up?
Steps below is to show you how to resolve the issue of the pc not shutting down.

Step 1: Using one anti-virus program
You only need one anti-virus program. If more than one anti-virus program is open at the same time, uninstall the extra software programs. Several virus scanning software on the same PC can create software conflicts. This is also true for multiple versions of the same anti-virus software. For example, if Norton Antivirus version five and Norton Antivirus version 2002 are both installed on the same PC, uninstall the older version (version 5 in this case). Use the following steps to remove programs:
  • In Windows XP, click Start , then Control Panel.
  • In Windows 95, 98, and Me, click Start , Settings , then Control Panel
  • Double-click Add/Remove Programs
  • Select the anti-virus software that you want to remove and click the Add/Remove button, or the Change/Remove button in Windows XP.
  • Restart the PC when the uninstaller has finished.
  • When the Windows desktop appears, restart the PC again. The PC should shut down and restart normally this time. If not, continue to the next step.
Step 2: Disabling Software that opens with Windows
For troubleshooting purposes, reduce the amount of software that opens with Windows to try and find out if a software conflict is occurring.

  • Open the Microsoft System Configuration software (Msconfig), remove the selection next to Load Startup Items , click OK , and restart the PC.
  • For more information, refer to Preventing Programs from Opening When Windows Starts .
    Restart the PC using Windows.
  • If the Windows still fails to close, continue to next step.

Step 3: Turning off all power options
Turn off all Windows power management options and shut down the PC as follows.

  • In Windows XP, click Start , Control Panel , and then Performance and Maintenance.
  • In Windows 95, 98, and Me, click Start , Settings , and then Control Panel .
  • Double-click the Power Options icon.
  • The Power Options Properties window appears.
  • Click the Power Schemes tab and change all selections under Settings for Always On power scheme to Never .
  • Click the Hibernate tab and remove the check mark from Enable hibernate support .
  • Click the OK button to accept the changes, and then restart the PC.
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Step 4: Upgrading the BIOS
The BIOS is code that the PC uses at start up and is responsible for many things. One of those things is power management, which can get in the way of the shutdown process.

Please rate my solution.

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Tell me what the computer screen has on it before it shuts down please.
I will wait on you answer. Do not rate until we are done.

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