Hi I just updated BIOS on my Dell Optilex GX620. (I downloaded Dell Bios A11 from http://www.dell.com/support/drivers/au/en/aubsd1/Product/optiplex-gx620)
I got the message "BIOS updated successfully"
After that my desktop is not turning on, nothing on monitor! I can hear hard drive or fan sound, all LED on CPU works but no sound no video!
I do not know what I did! May be updated wrong version of BIOS!
Any help to fix this issue please!
Remove the battery and unplug everything and press power button to discharge power supply then put battery back in .
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Thanks, but it is a Desktop, I unplug power supply, and plug again but no help
Its looks like BIOS corrupted. Someone suggest me this:
But it did not work either.
I think my PC does not shut down, as soon as I turn on main supply, PC fan and lights starts without pressing power button of CPU. Holding CPU power button stops fan and Lights. After pressing power button once, Light and fans turn on after few seconds! I hope this info helps
OK, SpeedStep recommendation explanations. This is about motherboard battery, which looks like watch battery.
To reset CMOS 1. Power off the computer and make sure that it is unplugged. 2. Open up your computers case. You need physical access to the motherboard to complete this procedure. 3. Find a circular, (mostly) silver metallic object on the motherboard. This is the CMOS battery. 4. CAREFULLY remove the CMOS battery and leave it out for about 15 minutes. You can press power button at the same time to expedite internal electricity discharge. This will flush the CMOS configuration and will reset everything to factory defaults. 5. Set the battery back into place and power on the computer. 6. The computer should then warn you that the CMOS configuration could not be found. You can either reconfigure it yourself or restore defaults. Restoring the default configuration should be fine.
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Oh! sorry SpeedStep and Thanks kisianik,. I did the step you suggested here:
1> Unpluged CPU
2> Remove CMOS Battery
3> Press power button for few minuts
4> Leave it for 30 Min after removing CMOS battery.
5> Place CMOS battery back
6> Plugged in power cord again
7> And CPU started in same way again (without pressing power button!) and problem still persist.
Someone helped me out! I had LED light 1 and 3 on, so I remove upgraded RAM as per this page:
And it started normally......
I've had the same problem, and the BIOS won't upgrade to A08 or A11. If it needs to be upgraded for Windows 7, how is it possible to do the upgrade. One other thing: it doesn't finish the POST but beeps at 1 second intervals, like forever. The power unplug and pulling the CMOS battery fixes the reboot issue, but the BIOS stays at the same level (doesn't really get upgraded.)
I've run the BIOS upgrade from the HDD under windows (XP) and from floppy with the same results.
Is there some special BIOS setting or jumper that makes it possible to do the update?
Not that I'm aware of: I booted from a DOS-formatted USB stick and installed the update.
In my case I already had upgraded BIOS, but new BIOS was not supporting my upgraded RAM (Old BIOS was supporting the upgraded RAM) . Once I removed that RAM, It boot on new BIOS. So you may already have upgraded BIOS...
You have a beep code for error. Check out this and scroll down to beep codes: http://phubner.eng.ua.edu/Files/Optiplex%20GX620/tools00.htm#wp1114558
Once you identify the series of Beeps, you can determine what problem your PC has..