Lenovo ThinkPad T21 English - 46L4325 - ThinkPad T20, T21User's Reference guid - Page 43

Problem, Cause and action, For Windows 98, Start, Settings, Control Panel, System, Device Manager, - drivers windows 7

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Hardware troubleshooting Problem The computer does not enter standby mode after the interval set on the timer under Windows 98 or Windows NT. Cause and action For Windows 98: The generic CD-ROM or DVD-ROM driver for Windows 98 accesses the internal CD-ROM drive or DVD-ROM drive every 3 seconds to see whether a CD-ROM is inserted in the CD-ROM drive or the DVD-ROM drive. This prevents your computer from entering standby mode even after a timeout. To prevent this from occurring, do the following: 1. Click Start. 2. Move the cursor to Settings and Control Panel. 3. Click Control Panel, and then double-click System. 4. Click the Device Manager tab. 5. Click the + mark for CD-ROM. 6. Double-click the name of the CD-ROM or DVD-ROM. 7. Click the Settings tab. 8. Clear the Auto insert notification check box. Windows 98 no longer detects a CD-ROM or a DVD-ROM automatically. For Windows NT: If you enable the CD-ROM AutoRun feature, the timer does not send the computer into standby mode. To enable the timer in this situation, edit the configuration information in the registry as follows: HKEY_LOCAL_MACHINE\SYSTEM\ CurrentControlSet\Services¥Cdrom\ Autorun: x1 > Autorun: Chapter 3. Solving computer problems 27

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Hardware troubleshooting
Problem
Cause and action
The computer does not
enter standby mode after
the interval set on the
timer under Windows 98
or Windows NT.
For Windows 98:
The generic CD-ROM or DVD-ROM driver for Windows 98 accesses the
internal CD-ROM drive or DVD-ROM drive every 3 seconds to see
whether a CD-ROM is inserted in the CD-ROM drive or the DVD-ROM
drive. This prevents your computer from entering standby mode even after
a timeout.
To prevent this from occurring, do the following:
1. Click
Start
.
2. Move the cursor to
Settings
and
Control Panel
.
3. Click
Control Panel
, and then double-click
System
.
4. Click the
Device Manager
tab.
5. Click the
+
mark for
CD-ROM
.
6. Double-click the name of the CD-ROM or DVD-ROM.
7. Click the
Settings
tab.
8. Clear the
Auto insert notification
check box.
Windows 98 no longer detects a CD-ROM or a DVD-ROM automatically.
For Windows NT:
If you enable the CD-ROM AutoRun feature, the timer does not send the
computer into standby mode.
To enable the timer in this situation, edit the
configuration information in the registry as follows:
HKEY_LOCAL_MACHINE\SYSTEM\
CurrentControlSet\Services¥Cdrom\
Autorun: ²x1 > Autorun: ²
Chapter 3.
Solving computer problems
27