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1. From the Apple menu, choose System Preferences. 2. From the View menu, choose Displays. 3. Click the "Automatically adjust brightness as ambient light changes" checkbox.
If the issue will not fix with the help of above steps, then should be a hard ware problem.
kakred6, If unit "date of manufacture) on rear cover is 2004 then trade unit for new wide screen unit! What is the problem with the "BAD" half of screen??? Is it the right, left, or upper, or lower half?? Most lcd display problems stem from a faulty internal, or external (lay on floor) "switch-mode-power-supply" going bad from poor quality CAPACITORS having been installed on the "switch-mode-power-supply board. Read fixya profiles of "budmrtn" "buddymc" "12fixlouie" to see if you want to explore a DIY fix. Also visit YOUTUBE for DIY video clips. If you deem this response useful, please rate it on FIXYA after you do your research! Bye for now. 12fixlouie
well ; if you have a secondary partition " D: " say
by pushing F8 , you can choose operate windows in safe mode , then try to see if there is a vendor soft ware that comes with your Radeon. you might find it at the lower right corner of you screen, it will be good idea if you reset the screen settings to VGA.
close windows , and restart , then back up your C: drive
hi, from what you have mentioned it seems that, it can either be one of the following situation 1) you see the power light, hp/compaq logo and the windows startup logo but don't see any logon screen or desktop
2) you don't even see the hp/compaq logo at startup but only see the power light
1) this can mean your display dripers may be corrupt, what you should do is restart the system and keep tapping F8 from the moment you see the compa/hp logo when you see a menu you will be given the option to start in safe mode select safe mode and press enter, see if you are able to see the desktop now if yes just go to start menu >run> type in without quotes "devmgmt.msc" > ok > in here click on display adapters> right click on the entry below it select uninstall > after uninstall retsart the system , now when the system boots the system will detect your display adapter and try to load the drivers for it. now you have to follow through with the hard ware wizard and install the drivers.
2) in this case when the system is not even completing post that means there is some hard ware that is stopping it from post
take out the battery from the system and now try to start the system using AC adapter, if it doesn't work then take out all the external pheripherals attached to the system only if you are comfortable doing that take out the Ram, hard disk, optical media drive and plugin cards that you have and then try to start the system on Ac adapter
if it does start, put one thing in at a time like
try starting it with RAM in, then ram and hard drive in then other things one at a time
and the time it stops posting agian it means the last thing that you have entered is faulty and was not allowing the system to post same goes for desktop
but you can check this only if you are comfortable doing it if you are not then you should check with compaq hp technical support also if you are under warranty don't do it on your own check with their technical support.
such beeps is normally related to hard ware failure of a kind. so what i'll suggest is to first remove the ram and power the system on to see the behaviour next try every other removable hard ware then replace them back n see what happens.
but i will first suspect the ram.