There are several possibilities: 1, poisoning 2, system crash 3, hardware problem solution: 1, trying to enter safe mode to kill viruses 2, using the startup disk to enter DOS mode, checking and eliminating errors, or checking the integrity of the disk 3. If the above problems cannot be solved, reinstall the system and press and hold m and until you enter the system. If not, please try the following methods. Post-s supports q }B to solve lz ~ original o? Is it because of p pplicationEnhancer? What happened to z method j_ Cmd+S? 2 Enter single-user mode? 8 Enter/* * * in/fsck-fy/* * in/mount-UW/RM-RF/system/library/system configuration/application enhancer. The bundle is restarted. Just cut down the ApplicationEnhancer.budlne, or ok? External hard disk j_? Divide 2 by R*.

2. What should I do if my macbookpro can't get into the system?

Apple laptop repair station Apple accessories store Apple laptop keyboard failure 1, the keyboard can't press keys.

2. Keyboard keys. 3, keyboard automatic key.

4. The laptop is not turned on. Apple laptop battery failure 1, battery does not charge.

2, the battery can be charged, and the discharge time is particularly short. 3. The battery is not turned on.

Apple's laptop doesn't start, and it doesn't display when it is turned on. 2. I forgot the password of the Apple laptop, so I can't access the system. 3. Apple notebook computer does not recognize optical drive, hard disk, floppy disk, serial port, parallel port, etc.

4. The operating system can't be installed on Apple laptop. 5. Apple's notebook computer often crashes, and it is turned off, powered off or automatically restarted from time to time.

6. Apple's laptop reported an error when it was turned on, so it could not enter the system. 7. The battery of Apple's laptop can't be charged.

8. The BIOS failure of the main board of Apple notebook computer will lead to the boot failure. 9. The keyboard of Apple's laptop is broken.

Address: C756A, Block C, Zhongguancun E World, Haidian District, Beijing.

3. Apple notebook won't open. What if I can't get into the system?

Next, when starting, hold down the ALT Apple key (Option), keep pressing the R and P keys, ring three prompts, and then let go to see if it works. If it doesn't work again, the next step is to send it to the maintenance point. Every maintenance point in China is generally located in the provincial capital city. Supplement: CPU temperature is high, put the notebook higher and ask again.

No, it just turned on. The temperature will not be very high. Answer: Step 1: First, start the computer in safe mode to see if it can be started. If it can't start, it may be infected with a virus, lost system files, damaged operating system, damaged hard disk, hardware device conflict or hardware problems. Go to step 4. If the safe mode can be started, it may be that the hardware driver is incompatible with the system, the operating system has a problem or a virus infection. Step 2: Then run anti-virus software. If there is a virus, it may be caused by it. Restart the computer after antivirus. If it is not normal, you need to reinstall the operating system.

Step 3: If no virus is detected, you can use the "System Restore" function that comes with the operating system to restore the system. If the system is normal after recovery, the fault is caused by system damage. If the fault still exists, it may be caused by the incompatibility between the device driver and the system; Then delete the drivers of sound cards, video cards, network cards and other devices, and then install the drivers one by one. Restart the computer every time you install a device, and check which device's driver caused the failure. After finding out, download the new driver of the faulty equipment and then install it.

Step 4: If you can't boot from safe mode, reinstall the operating system with the installation CD. If the operating system can be installed normally, go to step 7; If the operating system installation fails, such as crash, blue screen, restart, etc. , it should be caused by hardware problems or poor hardware contact.

Step 5: Then clean up the dust in the computer, clean up the golden fingers of memory, graphics cards and other equipment, reinstall the memory and other equipment, and then reinstall the operating system. If the system can be installed normally, it is a fault caused by poor contact. Step 6: If the system still cannot be installed, it may be a hardware problem.

Then use the replacement method to check the hardware failure, and replace the hardware after finding it. Step 7: If the operating system can be installed normally and the fault disappears after installation, it is a fault caused by system file damage.

Step 8: If the fault still exists after installing the operating system, it may be caused by bad tracks on the hard disk or incompatibility between the device driver and the system. Start the computer in safe mode. If it can't be started, it is the failure caused by the broken hard disk.

Then use NDD disk tool to repair the bad track. Step 9: If the safe mode can be started, it is caused by the incompatibility between the device driver and the system.

Then delete the sound card, video card, network card and other devices, and then install the drivers one by one, and install them once to check which device's driver caused the failure. After finding out, download the new driver of the faulty equipment and then install it.

Follow-up: How to start the computer in safe mode? Answer: Press and hold the F8 key until the screen for entering the option mode appears, and immediately release the F8 key you pressed. Click to enter safe mode, your computer will be turned on in safe mode, and then you can start your antivirus software to kill.

4. Apple computer can't start the system.

1. Connect the charger and press the Option key when starting the machine.

2. press the mand+ R key. The Mac automatically recovers from the networking state and enters the MacOS X utility.

3. Open Disk Utility. 4. Select a disk, select the Partition tab, and then select the partition layout (1 partition).

5. Change the Name and change the format to MacOS Extension (Recorded). 6. Click "Options …" and select "GUID Partition Table".

7. Click "Apply" and click "Partition" in the pop-up window. 8. Exit Disk Utility, return to MacOS X Utility, and then select Reinstall Mac OS X..

9. Click "Continue" and prompt "Download and restore MacOS X, and Apple will verify whether your computer is qualified". 10. Click "Agree".

1 1. Select a disk and click Install. 12. Wait patiently for the computer to download and restore the system.

If not, it is suggested that the work of restoring the system be handed over to the geniuses in Apple direct stores (free of charge).

5. What's the matter that Apple computer can't boot into the system?

According to your situation analysis.

1 Can you hear the boot sound? It's just a slap, and then the home screen is light gray.

This step is a power-on self-test. If it fails, it is a hardware problem. You basically don't have to worry about it. Send it for repair.

2 The Apple icon appears.

Boot the program and load the kernel into memory.

3 Apple icon+dark gray rotating gear

Kernel loading driver and kernel BSD UNIX system

If it is stuck here, the problem should be that there is something wrong with the loading driver or that any file of BSD is damaged.

You can try:

Method 1: Press the power button to start the machine. After the sound of "dang" and before the Apple logo appears, press the four keys of "cmd", "option", "p" and "r" at the same time until the sound of "dang" appears again, and then release.

Method 2: Start the computer with the first system CD, and then use Disk Utility in Utilities to "repair the disk".

6. Apple computer can't get into the system. What should I do if I forget the power-on password?

The chip-level maintenance technology we provide shortens the maintenance response time and reduces the maintenance cost for manufacturers and customers, which has been unanimously recognized by manufacturers and widely praised by customers.

Primary maintenance: mainly replacing the same parts. For the warranty machine, the faulty parts of users can be quickly replaced with good parts, which shortens the maintenance time of customers.

Chip-level maintenance: mainly to replace chips and electronic components and repair broken parts, which can reduce service costs without lowering service standards. For maintenance machine users, it can greatly save maintenance cost and shorten maintenance cycle. Technical service department: mainly solves the software problems encountered by notebook users in the process of using machines, so that customers can use notebooks conveniently and give full play to the role of notebooks.

1. General Apple/Apple Notebook Maintenance Failure 1: Apple/Apple Notebook Maintenance Battery, Battery Not Charging 2: Apple/Apple Notebook Maintenance Motherboard, Motherboard Dot Not Bright, Motherboard Water Intake 3: Apple/Apple Notebook Maintenance Screen Line: Broken Screen, Screen Screen, White Screen 4: Apple/Apple Notebook Maintenance Screen Axis: Broken 5: Apple. Troubleshooting Notebook Motherboard Features: 1: Notebook does not start, and will not be displayed when it is started. 2. I forgot my laptop password, so I can't access the system.

3: Notebooks do not recognize optical drives, hard disks, floppy drives, serial ports and parallel ports. 4: The laptop cannot install the operating system.

5. Notebooks often crash, lose power or restart automatically. 6. The notebook computer is powered on incorrectly and cannot enter the system.

7: The notebook battery cannot be charged. Third, the maintenance of notebook computer LCD fault phenomenon characteristics: 1: boot display, LCD screen dark.

2: The external monitor is normal, and the LCD screen is colored on a white background. 3: There are bright lines on the LCD screen.

Fourth, the maintenance features of notebook computer keyboard failure: 1: the keyboard can't press keys. 2: Keyboard keys.

3: Keyboard automatic key. V. Maintenance features of laptop battery failure: 1: The battery is not charged.

2: The battery can be charged, and the discharge time is extremely short. Please tell us your troubles, and we will try our best to serve you and give you a satisfactory answer.

7. Apple can't enter the system for help.

Try to press F8 until the advanced option appears, select "Last Correct Configuration" and press Enter to repair. If you can't press F8 to enter the safe mode to restore the system or reinstall the system, this is a solution ~

1. Make a startup disk. (W7 system 4G U disk, XP system 2G U disk) Download the Chinese cabbage U disk startup production tool, install the software, start, and make the startup disk according to the prompts.

2. Download a system you want to install, decompress the compressed system files (ISO system files directly to the U disk) into the U disk you made, and just start the disk.

3. Use USB flash drive to install the system. Insert USB flash drive to start, press DEL or other keys to enter BIOS, and set USB boot -F 10-Y- Enter. Follow the prompts to install the system.

4. After the installation is completed, pull out the USB flash drive and the computer will automatically restart. Click: Start the computer from the local hard disk and continue the installation.

5. After the installation is completed, restart. Boot-enter the BIOS- set the computer to boot from the hard disk -F 10-Y- enter.