Question about ASUS A8N-SLI Motherboard

1 Answer

Blank screen, no asus logo or bios

I moved my working PC into a new case,no hardware or software changed. Something got screwed up in the move process. My MSI Nvidia NX6800 card appears to power up with fan moving & wakes up the VGA monitor, but shows nothing on screen & no beeps from mobo & harddrive is quiet. I swapped out to an older VGA card & everything appears fine. I tried re-seating the card several times & reset the bios with no luck. I verified that this version of the card has no power connector. Is my card fried or can it be a problem on the mobo? It's PCIe/SLI(single), so I can't try it in my other boards. Cheers, rexbo

Posted by on

1 Answer

  • Level 1:

    An expert who has achieved level 1.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 4 Answers
Re: blank screen, no asus logo or bios

Hi Cheers I myself had a motherboard like this, it's a great worker! I also service and repair these boards and one of the most problem is when using single RAM, put it's into the correct slot! please check the manual for this one, when moving these boards you need to take out the processor heat sink, some time if you may leave it, the board may get a hair-line crack due to heat sink leverage on the board

Posted on Jun 08, 2007

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

How can I get my tablet to restart?

Windows 8 - How to enter [Safe Mode]? - Asus

AsusWindows 8-How to restore the system to factory default settings if I can't enter the system? Windows ... You can find how to enter [Safe Mode] while in the normal status.... Click "General" -> Select "Advanced startup" -> Click "Restart now".

Windows 10 - How to enter Safe Mode? - Asus

Asus3. Select [Recovery] then click [Restart now]. 4. After rebooting the system, you willenter Windows RE(Recovery environment). Please select [Troubleshoot]. 5.

Start/restart button lights up but does not turn on - Asus ... > Forum > Motherboards

Tom's Hardware Guide
Jul 29, 2014 - 13 posts - ‎6 authors
hey guys, so ive been looking all over the web on how to resolve my issue ... And how long will it be before you buy a reliable motherboard? Won't boot unless clear CMOS every time, not battery ...
34 posts
Jan 14, 2016
25 posts
Nov 6, 2015
Will removing motherboard battery reset bios to factory ...
8 posts
Jun 26, 2010
ASUS logo screen freeze? - Asus - Motherboards - Tom ...
31 posts
Jan 4, 2008
More results from

Jan 31, 2016 | ASUS Motherboards

1 Answer


Sometimes you can configure the sensitivity of the Mouse pad from Control Panel, Go there and look for applet MOUSE, if it is hardware issue, you can visit the website of the maker of your Laptop, and go for Support Page with Drivers, specifically issued for Mouse or Touch pad or In put. Most new Computer Systems now have Online Support which can detect the Problem of your Computer. Download the Detect Software... Once you upgraded the Drivers for the Board. let us say ASUS, the Bios will fix and update your Hardware. Just be careful sometimes, this is irreversible, meaning cannot uninstall the Drivers for BIOS, or on Board Software.

Sep 07, 2010 | ASUS Motherboards

1 Answer

I added a Pentium P4 2.66Ghz cpu 533FSB, Bios appears and says the due to new cpu installed system has started at 64Mhz please select correct Frequency. I select 2667 Ghz and 133Mhz saved and restarted....

Turn the computer off.
Turn the computer on.
Wait a minute or two -- it may "time-out" and reset it to the "slowest" speed.

If that fails, look closely at the motherboard,
or read the manual for the motherboard, to find a "clear BIOS" jumper.
Turn the computer off. Move the jumper from "1-2" to "2-3".
Wait a few seconds. Move the jumper back to "1-2".
Turn the computer on, with the "default" settings.

Oct 28, 2009 | ASUS P4S533-MX Motherboard

2 Answers

How to reset Asus PC-DL Deluxe BIOS

Remove the Lithium Flat Battery from the motherboard, then start the machine. Let it run for about 5-10 seconds and then turn it off and put the battery back in.

Some motherboards when you try to power it up without the battery, will not turn on. Press the power button 2-3 times and then place the battery back in and it should achieve the same results.

Dec 11, 2008 | ASUS PC-DL Deluxe Motherboard

1 Answer


Hello owners of the Asus P5S800-VM motherboard. This Asus board uses an integrated PCI graphics card. (That means it’s built into the board, you can not see it. Its part of the north bridge SiS661FX chipset). Everyone will need their manual so you can follow my instructions. If you no longer have your manual, please click on the ASUS P5S800-VM link below. A pop-up windows will open & you will need to choose the operating system from the dropdown menu. Than click Search.
This downloadable manual can only be read with Adobe reader software. If you need Adobe's software, you can download it from Adobe at this next link:
Shut down your systems; unplug the power cord from the PC's power supply. Open your case.
Please remove the AGP video card from the board; if any have one has one installed. (If you do not you will not receive display on your monitor. Once removed you now need to clear the bios/cmos.
On the board find the cmos/bios jumper as shown on page 1-21. Move the jumper to cover pins 2 & 3, count to 15 & move the jumper back to pins 1 & 2. One this is done. Close your case. Plug the power cord back into the power supply. Now we need to enter into the bios. Boot your PC & press the Delete key on your keyboard every 2 seconds. The bios main menu will open. Read the instructions at the bottom of the menu. This will show you how to move about while in the bios using your keyboard. (Can not use the mouse in here). Go to the title Advanced. Open "Chipset" page
2-17. See manual section 2.4.3 page 2-20. Change Primary Graphics Adapter to [AGP]
Save the bios & exit it. The system will auto restart. Press & hold the case power on /off button until the system shuts off. Unplug the power cord from the power supply. Open your case. Insert your AGP card. Make sure it is seated evenly & fully. Re-check all power connections & data connections before closing the case. Re-connect the power cord to the power supply. Boot your PC. You should have display. Install your graphics cards software. Check windows for any updates.
Life should be good. The ASUS P5S800-VM can only use a 1.5volt AGP card & nothing else. Check the manual for your AGP card & make sure it is 1.5v compatible. If its voltage is higher you will not receive display. This next link will show what a 1.5v graphics card looks like. Notice the copper contacts & its separation. Turn to manual page 1-20 for another 1.5v card with more than two separations.

Good luck everyone!
Please vote.......

Sep 13, 2008 | ASUS P5S800-VM Motherboard

1 Answer

Graphics card makes system reboot

Please shut down you're PC. Unplug the power cord from the PC. Remove the video card you have installed.
Once removed plug the power cord back in & start the PC. Press the delete key on the keyboard every 2 seconds untill the bios main menu loads. How to move around in the bios is shown at the bottom of each menu screen.
The Asus P4S800-MX motherboard has an onboard video card built into the motherboard. Before you can add a video card you must make a change in the bios. Go to Advanced menu.
Page 2-21 in you're manual. Change primary VGA bios to [AGP VGA Card].
Save & exit the bios. The PC will begin to restart. Press & hold the power button on you're PC until the PC shuts off. Unplug the power cord again, open the case & firmly & evenly insert you're AGP graphics card. Connect any extra power to the graphics card if required. Re-check all connections & cables before closing the case. Turn on the PC. Wait for windows to finish loading before installing you're video card software.
That's it. You're card should now function. Good idea to update windows!

Good Luck!

Jun 10, 2008 | ASUS P4S800-MX Motherboard

1 Answer

Fan, HDD... everything is working but no display.

You have no display, and cant even get to the bios screen.
OK, does anything at all show on the monitor when starting?

If that is the case, look to your video card or monitor.
I cant tell you how many times I have seen pins that are bent or proken on the VGA cable. or even plugged in.
Please check these things and let me know what you find

Nov 18, 2007 | Intel Desktop Board D845WN Motherboard

1 Answer


just remove cmos and reset it by jumper settings

Nov 09, 2007 | ASUS M2N-MX Motherboard

Not finding what you are looking for?
ASUS A8N-SLI Motherboard Logo

Related Topics:

83 people viewed this question

Ask a Question

Usually answered in minutes!

Top ASUS Motherboards Experts

Brian Sullivan
Brian Sullivan

Level 3 Expert

27725 Answers

Sudeep Chatterjee
Sudeep Chatterjee

Level 3 Expert

3267 Answers


Level 3 Expert

2598 Answers

Are you an ASUS Motherboard Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides