I can't enter cmos althouh i press del or f2 when i press del ,next screen appear blank with cursor. will this problem solve by upgrading bios?

have you tried these..F1
F2
F10
DEL
ESC

Restart your computer
During the boot process you will see on the screen to press a certain key to enter setup usually the Delete or F2 key
this will vary depending on your computer and operating system
Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart.
This will set the boot order
If this fails you might try some of these
Acer: - Ctrl+Alt+Esc

ALR PC: (F2) or (Ctrl)(Alt)Esc)

AMI BIOS: (Del), (F1) or (F2)

AST, Advantage, Award, Tandon: - Ctrl + Alt + Esc

Award BIOS: (Del) or (Ctrl)(Alt)(Esc)

Step 1:
Restart your computer During the boot process you will see on the screen a certain key to press usually the Delete or F2 to enter setup this may vary depending on your computers bios other possible keys Acer: - Ctrl +Alt +Esc

ALR PC: (F2) or (Ctrl)(Alt)Esc)

AMI BIOS: (Del), (F1) or (F2)

AST, Advantage, Award, Tandon: - Ctrl + Alt + Esc

Award BIOS: (Del) or (Ctrl)(Alt)(Esc) Press and hold that key during the boot up process to enter BIOS using the arrow keys navigate load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart

Restart your computer During the boot process you will see on the screen to press a certain key to enter setup usually the Delete or F2 key this will vary depending on your computer and operating system Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart
If this fails you might try some of these Acer: - Ctrl+Alt+Esc

ALR PC: (F2) or (Ctrl)(Alt)Esc)

AMI BIOS: (Del), (F1) or (F2)

AST, Advantage, Award, Tandon: - Ctrl + Alt + Esc

Award BIOS: (Del) or (Ctrl)(Alt)(Esc)

Restart your computer
have a close look at the screen it will be quick you will see which key to press to enter bios

During the boot process you will see on the screen to press a certain key to enter setup usually the Delete or F2 key
this will vary depending on your computer and operating system

Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart

hope this helps

others you might try

Acer: - Ctrl+Alt+Esc

ALR PC: (F2) or (Ctrl)(Alt)Esc)

AMI BIOS: (Del), (F1) or (F2)

AST, Advantage, Award, Tandon: - Ctrl + Alt + Esc

Award BIOS: (Del) or (Ctrl)(Alt)(Esc)

The BIOS information is typically found at or near the top of the POST screen

ALR PC non / PCI = CTRL+ALT+ESC

AMD advanced micro devices=BIOS = DEL

Award BIOS = DEL

Dtk Datatech Enterprises Co. BIOS = ESC

Phoenix BIOS = CTRL+ALT+S

Phoenix BIOS = CTRL+ALT+INS

Restart your computer

during the boot process you will see on the screen to press a certain key usually delete or F2 to enter setup
this will differ depending on which bios you have

Press and hold that key during the boot up process to enter BIOS

if you have changed any of the BIOS settings by mistake

you can load failsafe or optimised defaults using the arrow keys you can after you make any changes in BIOS press Esc then press the F10 button save to cmos to restart

hope this helps

Usually the delete key or F2 will do the trick

the bios passowere has been engaged go to bios by pressinfg del or F1 button on startup go to bios setting password you will see enter password press button with passord blank again it will ask for confirm password enter blank password press enter it will delete all the password if you are un able to enter bios and asking for password remove the cover you will see three jumber pins near ur cmos battery pin one and towo are for normal pin 2 and 3 for clear comos in some there are only 2 pin short the pin to clear the cmos some times shorting doest start the computer dont worry put the jumbers back to the normal position and restart the computer while stating you will see cmos reset press F1 to continue or press DEL to enter bios press DEL and enter the correct time as clearing the cmos the time will be set defult if you cant see cmos jumper pin remove the cmos battery and restrt the computer then shut down the computer and place back the cmos battery in its compartment doing this please remove the power to your hard disk or your haRD DISK MAY GET CORROUPTED

u go to bios and set default , if no work u much take out ur battery cmos and wait about 15minute after put again battery

To Access the Bios Setup Utility Here Is A List Of Key Commands And The Make/Model They Are For..

Acer - Aspire, Power, Veriton, Extensa, Ferrari, TravelMate, Altos

• Press Del or F2 immediately after powering on.
• The BIOS on the Acer Altos 600 server uses the Ctrl+Alt+Esc key and the F1 key for advanced options.
• Older Acer computers may use also use the F1 or Ctrl+Alt+Esc keys to access BIOS.

Compaq - Presario, Prolinea, Deskpro, Systempro, Portable

• Press F10 while the cursor in the top right corner of the screen is blinking.
• Older Compaq computers may use the F1, F2, F10, or Del key to give access to BIOS.

Dell - XPS, Dimension, Inspiron, Latitude. OptiPlex, Precision, Vostro

• Press F2 when the Dell logo appears. Press every few seconds until the message Entering Setup appears.
• Older Dell desktops and laptops may instead use Ctrl+Alt+Enter or Del to enter BIOS.
• Older Dell laptops may use Fn+Esc or Fn+F1.

eMachines - eMonster, eTower, eOne, S-Series, T-Series

• Press Tab or Del while the eMachine logo displays on screen.
• Other eMachine computers may use F2 to enter BIOS.

Fujitsu - LifeBook, Esprimo, Amilo, Tablet, DeskPower

• Press F2 once the Fujitsu logo appears.

Gateway - DX, FX, One, GM, GT, GX, Profile, Astro

• Press the F1 key repeatedly after restarting the computer.
• Some older Gateway computers use F2 to access the BIOS Setup utility.

Hewlett-Packard (HP) - Pavilion, TouchSmart, Vectra, OmniBook, Tablet

• Press the F1 key after restarting the computer.
• HP Tablet PCs may use F10 or F12.
• Other HP computers may allow access to BIOS using the F2 or Esc keys.

IBM - PC, XT, AT

• Press F1 immediately after powering on the computer.
• Older IBM computers (including some laptops) may utilize the F2 key for BIOS entry.

Lenovo (formerly IBM) - ThinkPad, IdeaPad, 3000 Series, ThinkCentre, ThinkStation

• Press F1 or F2 after powering on the computer.
• Older Lenovo products allow access to BIOS using Ctrl+Alt+F3, Ctrl+Alt+Ins, or Fn+F1.

Micron (MPC Computers) - ClientPro, TransPort

• Press F1, F2 or Del immediately after powering on the PC.

NEC - PowerMate, Versa, W-Series

• Press F2 to enter the BIOS Setup.

Packard Bell - 8900 Series, 9000 Series, Pulsar, Platinum, EasyNote, imedia, iextreme

• Press F1, F2, or Del to enter BIOS.

Sharp - Notebook Laptops, Actius UltraLite

• Press F2 after the computer starts.
• Some very old Sharp PCs require a Setup Diagnostics Disk to access BIOS.

Shuttle - Glamor G-Series, D'vo, Prima P2-Series, Workstation, X Mini XPC, Surveillance

• Press F2 or Del on startup.

Sony - VAIO, PCG-Series, VGN-Series

• Press F1, F2 or F3 after turning on the computer.

Toshiba - Portégé, Satellite, Tecra

• Press F1 or Esc after powering on to access BIOS.

The following companies are either closed for business or no longer manufacture or support mainstream computers systems so verifying the following BIOS access information is nearly impossible. I have included what I could dig up for anyone who might be interested:
ARI / ALR / AST (Advantage) - Press the Ctrl+Alt+Esc or Ctrl+Alt+Del keys.
Cybermax - Press the Esc key.
Tandon - Press the Ctrl+Shift+Esc keys.


Good Luck and Hope it helps...
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