My student can't boot the system if he doesn't enter BIOS Setup. It is enough only to enter it and exit without changes, but if he doesn't enter, system is not going to boot. Operating system is Windows XP, and the configuration is with ASUS motherboard.
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Step 1: There are many good reasons for booting your computer from a USB drive. For instance, if you want to try out another operating system without disturbing the main hard drive on your computer, then installing the new OS on an external drive is a great way to run the system through its paces and decide whether you like it.
This approach will offer you the flexibility of being able to run both operating systems on your computer. However, before you can boot the new operating system from the USB drive, you will need to change the boot order for your computer in the system BIOS.
Connect the external USB drive or pen drive to the computer before you power it on. Press the "Delete" key as the computer performs the "Power On Self Test" (POST) to enter the BIOS area of the computer firmware. The POST performs a diagnostic of components on the motherboard and does a cursory check of the hard drive, memory and processor. The POST only lasts a few seconds; therefore, press the "Delete" key quickly. Enter the administrative BIOS password if prompted to do so. Once you enter the correct password, you will see the main BIOS screen. Use the right-arrow key to navigate to the "BOOT" menu option at the top of the screen, and press the "Enter" key. Press the down-arrow key until the cursor is on the "Boot Device Priority" label. Hit "Enter," and press the down-arrow key again to highlight the "1st Boot Device" option. Press the "+" or "-" keys to scroll through the available boot options until the "USB Drive" or "USB-HDD0" label is the highlighted option. Press the "F10" key to save changes and exit the BIOS setup program. When the computer restarts, wait for the "press any key to boot from external drive" prompt to display, and then press any key on the keyboard to boot from the USB drive. Award or Phoenix BIOS Connect the USB drive to the computer. Wait for the POST to display on the screen, and press the "Delete" key to enter the BIOS. Enter the BIOS password if prompted to do so. Tap the right-arrow key until the cursor is over the "BOOT" menu option. Press the "Enter" key. Press the down-arrow key until the highlighted cursor is on the "Removable Devices" option. Press the "+" key until the "Removable Devices" label is on the top of the boot device list. Press the "F10" key to save the changes for the boot order in the BIOS and to exit the utility. After the computer restarts, press any key on the keyboard to boot from the USB drive when prompted to do so.
Your BIOS settings may be wrong, or there may be a problem with the motherboard of the system.
I would check the BIOS settings on the laptop first.
When you first turn on the laptop - you might see something that says something like "Press F2 to enter Setup" or "Press Del to enter Bios" or "Press F1 to enter Setup" - or something along those lines. You will want to hit whichever key it is specifying and try to get into the BIOS/Setup.
Once you are in the BIOS, look for an option to restore defaults or reset factory settings. Do that and then save the changes and restart the computer.
If resetting the BIOS doesn't help, make sure that when you turn the computer on you are not plugged into a network cable at all.
If the system still gives the PXE error - then it is likely that something has gone wrong with your laptop motherboard. Unfortunately to get that fixed - you'll need to take it to a computer repair shop.
I hope that you can get the BIOS reset and it works for you though!
Hit escape. It will ask you if you want to save and quit.
It may also tell you an F key (such as F10) to save and quit.
It may also have the save and quit option on the last menu (furthest to the right).
You need to go inside BIOS to find out whats the boot sequence. To activate the BIOS Utility, press F2 during POST (when “Press <F2> to enter Setup” message is prompted on the bottom of screen). Press F2 to enter setup. The default parameter of F12 Boot Menu is set to “disabled”. If you want to change boot device without entering BIOS Setup Utility, please set the parameter to “enabled”. Press <F12> during POST to enter multi-boot menu. In this menu, user can change boot device without entering BIOS SETUP Utility. Navigate to BOOT page on top.
Start your computer.
When you see the 'Press DEL to enter BIOS SETUP mode", press the 'DEL' key.
Change the "boot-order" to put your CD-ROM as the "first" (highest-priority) boot-device.
Save-and-exit from BIOS setup.
Insert the disk into the CD-ROM.
Your computer should boot from the disk in the CD-ROM.
1. Change the USB Emulation Setting in the BIOS
NOTE: It is recommended to disconnect any USB devices before performing the following steps.
Restart the system. Wait until the Dell Logo appears. At the Dell Logo screen, press F2 right away to enter the System Setup. The System Setup screen will appear. Press the down arrow key to highlight Integrated Devices (LegacySelect Options). Press Enter. A small box with a list of devices appears in the middle of the screen. Press the down arrow key to highlight USB Emulation. The default setting is On. Press the Space Bar on your keyboard to change the setting to No Boot. Press the Esc key. The small box disappears. Press the Esc key again. A small box with list of options appears in the middle of the screen. Make sure that Save Changes and Exit is highlighted in blue. Press Enter. The system will then restart.
The recommended changes have now been made to the BIOS.
2. Reset the Dell Dimension desktop System Setup (BIOS) to factory defaults.
Restart the system. The Dell logo screen appears. Press F2 to enter the System Setup (BIOS). The System Setup screen appears. Press the ALT + F key combination. Press the Esc key to Save and Exit. Press Enter to Save changes and exit now. The BIOS is now set to the default settings.
You can do this by changing the BOOT Priority in your BIOS settings.
To get into BIOS:-
When you first turn the system on, you get what they call a POST screen (normally has the laptop logo or enegy star monitor rating), at the bottom of the screen, it should give you an option or two (i.e. F1-Boot Options, F2-Setup (also called BIOS). Different systems use different keys to enter the BIOS (or SETUP), this is usually F2 or Delete.
Once you are in the BIOS, just have a browse for BOOT OPTIONS or BOOT PRIORITY, and change the value of FIRST BOOT to CD-ROM.
Save these new settings to CMOS and exit. The system will now reboot, and this should solve the problem