the monitor and goes back again. i cannot access the bios setup by pressing del or F1 or F2. please help.
2006-07-30 07:51:28 · 5 answers · asked by scorpio 1 in Computers & Internet ➔ Hardware ➔ Desktops
Just Remove the Mother Board battery wait for a Min or so reinsert it again and press the correct button.
Neo
2006-07-30 08:06:32 · answer #1 · answered by Anonymous · 1⤊ 1⤋
follow the steps below:
1. Check whether ur system makes a loud beep before shutting down.. if it does recheck ur RAM slot... sometimes it becomes loose (open it only if u really know how to do it) .. and if u remove ur RAM from the slot. plz clean the dust off it..
2. Check whether the motherboard is correctly connected to ur harddisk... plz do so only after u have removed all power sources from the computer .. even ur UPS..
3. If the above options fail.. Just check whether ur processor is heating up or not.. sometimes a wrong connection shorts the processor and thus basic operation like POST doesn't work...
4. if top 2 options fail and 3 is true or u don't understand it plz go to ur vendor or a proper computer hardware consultant.. don't use ur head or other advices ..... it may damage ur comp beyond repair..
2006-07-30 08:14:49 · answer #2 · answered by einstein_unlocked 2 · 0⤊ 0⤋
You can try the following:
Delete: AMI or Award BIOS.
Esc: Toshiba
F1: Toshiba; Phoenix; some IBM PS/1 models.
F10: Compaq.
F2: NEC.
Insert: IBM PS/2.
Tab: eMachines.
Reset button (press twice): Some old Dells.
Ctrl-Alt-+: Various computers.
Ctrl-Alt-?: Some old IBM PS/2 models.
Ctrl-Alt-Enter: Some Dells, others.
Ctrl-Alt-Esc: AST, Tandon, others.
Ctrl-Alt-Ins: Zenith PCs, Phoenix BIOS.
Ctrl-Alt-S: Phoenix BIOS.
Ctrl-Alt-Shift with Del (on number pad): Olivetti.
Ctrl-Esc: Many PCs.
Ctrl-Ins: Some IBM PS/2s.
Ctrl-S: Phoenix BIOS.
Ctrl-Shift-Esc: Tandon
2006-07-30 07:56:42 · answer #3 · answered by Gir the Robot 2 · 0⤊ 0⤋
HI HERE
The fact that the MONITOR turns on to show you the memory check is really important - your BIOS is running the POST,
the Video "IS" working, the CPU and Memory are working,
and things are not too bad...
Something has changed since the computer " was " working ok.
To get a problem solved, I usually try eliminating all the
possible problems...PCI cards, extra on board devices that may be controlled by jumper pins on the motherboard, etc.
extra ram cards...
and just boot with the raw motherboard, a SINGLE stick of ram
and just one video source. Your computer has ram working,
the video working and the CPU/Motherboard working, but is running into a serious conflict at the very BOOT up sequence...
Try to eliminate everything that could conflict..
One simple way is to open the case, and using the CLEAR CMOS jumper pin ( with power cord dissconnected, ) clear the
CMOS capacitor charge ( one minute should do it ). Someone mentioned taking out the battery, but the CMOS capacitor on
some motherboards will hold the charge for 3 hours....
Then, restart the computer, and try the key sequence listed in
the manual - someone has provided a partial list of some common BIOS setup key sequences... Since you already get into
the main BIOS SCREEN, the "HIT DEL TO ENTER BIOS" may already be printed on the screen in front of you... each computer is different, so that without you providing the information , step by step, that happens when you boot, everyone trying to help you is guessing...
If jumpering, and replacing the CMOS clear jumper, and re-booting
does not fis the problem, you should remove ALL devices except
the keyboard, the mouse and the video source ( it could be PCI, AGP or onboard, you do not say which )
Remove all IDE ( Harddrive, CDROM etc devices and power cords ) remove all PCI and ISA cards.
If the manual shows jumper pins to dissable onboard LAN, Modem, Firewire, USB, Sound, etc., then jumper these to dissable.
Use the jumper to CLEAR CMOS ( Again make certain unit is off, and the 110 Volt power cord is dissconnected before opening the case ), wait one minute, re-jumper to normal operation,
and restart.
What is the BEEP sound? Usually one beep is ok, the monitor comes on with a display of the VIDEO CARD SIGN ON page, followed by information on the MOTHERBOARD -- at this point you can press the key sequence to enter BIOS, or press PAUSE/BREAK to stop the BIOS startup to read the information such as the BIOS number, the MOTHERBOARD information, etc...
At this point, you should get into the BIOS.....
If not... ouch... you really have a problem...
Move the SINGLE ram stick used for testing into another slot, and
take out and replace the video card carefully ( with power off and cord out ).
RE-jump the clear CMOS, and try again.
if no POST,,, well....
remove the motherboard, put it on a piece of cardboard, remove battery, get a sheet of aluminum foil and something soft like foam
and place the motherboard, jumpered to CLEAR CMOS, with
no battery on the aluminum foil on top of sponge, for 24 hours.
(This drains ALL capacitors and shorts everything dead ). There are
a number of motherboards that require 3 DAYS of dead short to clear the multiple levels of BIOS Setup Flash and programmable ram...
Then, with the MB ( no aluminum ) on raw cardboard about 3/8 inch thick, and just the power supply , one stick of ram, and the video,
( Plugged into a monitor ) jump CMOS jumper to run, and
see if you can get into the BIOS.
If you can....
Turn off power, put in battery ( iff you have a meter, check to see that battery is close to 3V ( for common CMOS button battery )
Jump CMOS jump to run, put in mouse, Keyboard, Video, and
monitor, and re-start.
If you are in BIOS, set time etc. restart and check time.
Iff ok, then reassemble computer. ( just case, power supply,
video, keyboard and mouse ), and re start.
If ok, then.... slowly add devices ONE AT A TIME.
Try the harddrive first, then CDs, then PCI cards, and
re-boot each time and shut down.
Finally, go into the BIOS and set up CMOS with the correct settings once all is working....
Having a few ram sticks helps to troubleshoot - try in different slots, having more than one monitor helps, having more than one video card helps...
Click on my name to see other answers to your question and similar answers for other help and suggestions...
hope that this helps...
Please post more information on the start sequence, step by step so that more exact information will be given to you from those posting answers..
robin
2006-07-30 08:52:33 · answer #4 · answered by robin_graves 4 · 0⤊ 0⤋
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2016-10-08 12:12:14 · answer #5 · answered by ? 4 · 0⤊ 0⤋