Led's are on however no power to mouse/keyboard etc. Emits a single beep (approx. 5 sec). Was using canon zoombrowser exe to open some raw files, message appeared....vista cannot display sidebar and then screen went black. HELP. machine out of warranty
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1 beep BIOS ROM checksum in progress or System board failure
2 beep No memory modules detected
3 beep System board failure. Power LED is blinking amber
Time-Of-Day Clock test failure
Gate A20 failure
Super I/O chip failure
Keyboard controller test failure
4 beep Memory failure
5 beep CMOS battery failure
6 beep Video card failure
Here is a link to your computer's service manual: ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_xps_desktop/xps-400_Service%20Manual_en-us.pdf There is a section on Advanced trouble shooting which details Beep codes and LED diagnostic codes.
When your computer emits beeps when you power on the computer, it's usually means that you have a memory issue. Try re-seating the memory modules and power on the computer. If you have more the one module, insert one at a time and power on the computer. The other issue is if that model supports 4 gig memory.
When your computer emits beeps when you power on the computer, it's usually means that you have a memory issue. Try re-seating the memory modules and power on the computer. If you have more the one module, insert one at a time and power on the computer.
I believe you have used the wrong type of CMOS battery. Try putting the old one back in and see if it will boot. If not the CMOS NAND chip may be broken. If this is the case contact Dell and order a new one.
Not so sure about this but I hope this will help.
-try to disconnect all the cables from the back (monitor, keyboard, mouse, usb's, power cable, etc.)
-then disconnect all the card (video card, sound card, NIC) if all are integrated then you dont have to.
-connect just the power cable
-try to turn on the computer and check if it beeps
-if it does not beeps need to replace the motherboard but before you do this check if the fan will spin even for a single second if does not spin then you also need to replace the power supply as well
-if it beeps then turn it off again.
-connect the video card and connect the cable of the monitor, keyboard and mouse
-turn on the computer then check if theres any display
-if theres no display check for any beep indication. and right it down on a piece of paper on how many times it beeps and if its long beep or short beep.
kindly provide an email if this things does not work so that I can give you a resolution.
If it works in service mode, then it is not a hardware problem. Boot Windows in "Safe Mode" using the F5 Key as it is Booting to Windows. That should make it re-discover the KB and Mouse. Make sure the KB and Mouse are pluged into the right ports. Mouse Green and KB Purple
Vista is available in 32 and 64 bit os.
if your system ran xp which was most likely 32 bit. And you have installed a 64 bit version os.
this will be your problem, also Vista requires more system RAM/Memory to run it.
If you get 1 beep at startup, it states the system is ok.
Alternatives are device drivers incompatability.
Check M$ website, regarding vistas minimum system requirements.