SOURCE: IBM THINKPAD R52 KEYPAD RELATED PROBLEM
On most IBM laptops, in order to turn numlock on/off, you must press Shift + Scroll Lock. You can tell if numlock is on at-a-glance because a symbol that looks like an arrow pointing up with a "1" in its center is illuminated on the status light display located near the power button.
SOURCE: IBM ThinkPad R52 PC Notebook display problem
Hi , connect a external display monitor, re run your laptop, if same remove the battery and use the ac adaptor. if the same something wrong on your mainboard, check with your supplier.
SOURCE: Sound problem
Go to control panel,and check device manager to see if you have any problems. If not, click on Hardware and Sound, then on Sound, and see if somehow your laptop speakers have been turned off. Reconfigure them anyway, and test the sound there. If that doesn't fix it, go to IBM and reinstall Realtec. Sometimes it gets corrupted, and sometimes it takes more than one installation to get it fixed. Let me know if you have any problems.
SOURCE: How to reformat R52 ibm thinkpad
Your laptop should have come with a recovery disk, you will need to boot to that disk following the onscreen steps for formatting and restoring the operating system files. Furthermore, if your system did not come with a recovery disk, or you have a Windows XP/Vista disk you can boot to that instead.
Windows XP Install:
After the installation system boots, the setup prompt will prompt you for searching the system for previously installed versions of Windows; bypass the recovery option after the search is complete. The setup will then display a list of Hard Drives to install Windows; follow the key for deleting the partition (press "D" to delete). Once the partition has been deleted highlight the "free hard drive space" and press "Enter" then you will be prompted to format the drive and install Windows. Moreover, you should right down the Windows Product Key off the sticker on the bottom of your laptop; you'll be asked for that key after the setup restarts your computer assuming you are using that license for that version of Windows.
Windows Vista Install:
When you boot to the Vista DVD you will be prompted to enter the product key as soon as the setup loads. Select the Hard Drive with the mouse, then left-click the format button on the right pane. Continue with the installation.
SOURCE: where is the wireless adaptor button on the IBM thinkpad R52?
press Fn & F5 same time, for 5 sec. this will activate the wirelesskey on your laptop.
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