Replace bios battery, reset the bios, insert required parameters after rebooting and when windows reboot change the time period for screen saver and hard disk shut down!
SOURCE: Monitor goes into sleep mode after a few seconds
Click on Programs --> Setting --> Control Panel
Choose the "Power Options"
in the "power schemes" Choose the Turnoff Montior, turnoff HDD, system standby
and system hibernate as "Never" in each combo box and clikc on apply.
repeat the above process for every power scheme options
Let me know if your problem is solved and rate me as FIXYA!
SOURCE: Added a memory stick to my Dell 2400 Desktop computer and the monitor, mouse, & keyboard won't work
Hi
The supported Memory types for Dimension 2400 Series is PC2100 (266-MHz) or PC2700 (333-MHz) DDR SDRAM (non-ECC). Supported Memory capacities are 128, 256, or 512MB and a Max if 1GB (1024MB).
The first obvious question is does the new 512MB Memory module meet the above specification? Some Memory modules are able to steep down speed.
If it does, then first ensure the new memory module is properly installed. Take ESD (ElectroStatic Discharge) precautions or you may damage the new memory module and/or the system board.
To proceed compare the system beeps and diagnostics lights color and sequence to the Advanced Troubleshooting guide.
It is possible that the new memory is DOA (Dead On Arrival). Or there is a new fault on the system. If you have access to another compatible system, you may test the new and old memory modules. You may also swap the new and old memory modules to determine if the memory slot is at fault.
Lastly, if you remove the new memory module, does the system complete POST (Power On Self Test)?. If it does you may indeed have a DOA or incompatible part.
Mike
SOURCE: dell dx520 usb mouse and keyboard freezing
Go this mention Site addres & download the drivers http://supportapj.dell.com/support/downloads/ ........................Sameeraryan
SOURCE: same prolem with a m8s dell dimension 3100
I had the same problem on my computer that was running Windows XP. On boot up and even when entering the BIOS, keyboard worked fine, but when I got to the login screen, the keyboard would not work at all. The issue I found (I read in another forum) was that if you are using a USB mouse/ Keyboard, there are specific USB ports that they need to be connected to (if you have several on the back of your CPU). I believe the post I read said they needed to be in the 1st/top 2 ports. It worked for me when I switched the leyboard to the top USB port. Maybe it will work for you
SOURCE: dell vostro 200 4 repeated beeps on start up
Disconnect all devices from the power supply EXCEPT the motherboard
Remove any extra cards including video etc.(plug monitor into the onboard)
If you hear any beeps these can indictate where the fault is.
either of these sites below will help you further with that
Beep codes Pc
More beep codes
Power up the pc and see if the fans are working.
If not then double check the power connections to the board.
If you still have no fans it is time to suspect the power supply as the probable cause.
If the fans worked then you should have gotten a display which told you there was an error and offering you a chance to go into the BIOS. ignore it and shut down the PC.
Now connect one drive only and boot again.
Repeat that until you identify the component that is giving you a problem.
Once you find the problem then remove or disconnect and carry on with the rest to see if another component might also cause a problem
If there is only one problem device then you may want to investigate that device further, Unless you don't mind replacing it
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