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manual abstract
When resuming the computer from the sleep mode without attaching the external monitor or turning it on, and the computer display remains blank, press F6 to bring up the computer display. • Problem: The computer does not return from sleep mode, or the system status indicator (illuminated ThinkPad logo) blinks slowly and the computer does not work. Solution: If the system does not return from sleep mode, it might have entered sleep or hibernation mode automatically because the battery is depleted. Check the system status indicator (illuminated ThinkPad logo). – If the system status indicator (illuminated ThinkPad logo) blinks slowly, your computer is in sleep mode. Connect the ac power adapter to the computer; then press Fn. – If the system status indicator (illuminated ThinkPad logo) is off, your computer is in power-off state or in hibernation mode. Connect the ac power adapter to the computer; then press the power button to resume operation. If the system still does not return from sleep mode, your system might stop responding and you might not be able to turn off the computer. In this case, you need to reset the computer. If you have not saved your data, it might be lost. To reset the computer, press and hold the power button for 4 seconds or more. If the system is still not reset, remove the ac power adapter and the battery. • Problem: Your computer does not enter sleep or hibernation mode. Solution: Check whether any option has been selected to disable your computer from entering sleep or hibernation mode. If your computer tries to enter sleep mode but the request is rejected, the device attached to the USB connector might have been disabled. If this occurs, do a hot-unplug-and-plug operation for the USB device. • Problem: The battery discharges slightly while the computer is in hibernation mode. Solution: If the wakeup function is enabled, the computer consumes a small amount of power. This is not a defect. For details, refer to “Power-saving modes” on page 27. Problems with drives and other storage devices This section includes hard disk drive problems and solid-state drive problems. Hard disk drive problems • Problem: The hard disk drive makes a rattling noise intermittently. Solution: The rattling noise might be heard: – When the hard disk drive begins or finishes getting access to data. – When you carry the hard disk drive. – When you carry your computer. This is a normal characteristic of a hard disk drive and is not a defect. 112 User Guide • Problem: The hard disk drive does not work. Solution: On the Boot menu of ThinkPad Setup, ensure that the hard disk drive is on the Boot priority order list. If it is on the Excluded from boot order list, it is disabled. Select the entry for it on the list and press the Shift+1 key. This moves the entry to the Boot priority order list. • Problem: After setting a hard disk password on the hard disk drive of the computer, you moved the drive to another computer. Now you cannot unlock the hard disk password. Solution: Your computer supports an enhanced password algorithm. Computers older than yours might not support such a security function. A solid-state drive problem Problem: When you compress files or folders by use of the data compression function in Windows, and then decompress them, the process of writing to or reading from the files or folders is slow. Solution: Apply the disk defragmentation tool in Windows for faster access to the data. A software problem Problem: An application does not run correctly. Solution: Ensure that the problem is not being caused by the application. Check that your computer has the minimum required memory to run the application. Refer to the manuals supplied with the application. Check the following: • The application is designed to operate with your operating system. • Other applications run correctly on your computer. • The necessary device drivers are installed. • The application works when it is run on some other computer. If an error message is displayed while you are using the application program, refer to the manuals supplied with the application. If the application still does not run correctly, contact your place of purchase or a service representative for help. Problems with ports and connectors The following are the most common problems with ports and connectors. A USB problem Problem: A device connected to the USB connector does not work. Solution: Open the Device Manager window. Ensure that the USB device setup is correct, and that the assignment of computer resource and the installation of the device driver are correct. Open Control Panel. Click Hardware and Sound . Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. Refer to “Diagnosing problems” on page 97 for a diagnostic test of the USB connector. Chapter 9. Troubleshooting computer problems 113 114 User Guide Chapter 10. Getting support This chapter provides information about getting he...
Other models in this manual:Notebooks and Netbooks - ThinkPad S431 (20AX) (3.81 mb)