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Re: aser 7520 aspire
If you have no video at all then turn off the laptop. Reseat the memory and then turn the laptop back on with just the AC Adaptor hooked up to see if you get video if not then try reseating the memory into the other slot and try turning it on again to see if you get video. If not then your motherboard may be bad. Just curious though after you turn on the laptop, does the hard drive light keep flickering like its trying to load windows?
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Shut down your Acer Aspire if it is running. Once the computer is off, press the power button to start it. Press "F2" immediately while your computer is booting up and displaying the "Acer" logo. Keep pressing "F2" until the BIOS Setup screen appears.
hebt waarschijnlijk te updaten BIOS (Basic Input / Output System) met
de nieuwste firmware beschikbaar op de website van de fabrikant. Ook in staat stellen TPM (Trusted Platform Module) in het BIOS handmatig.
OP: Het wijzigen van BIOS / Complementary Metal Oxide Semiconductor
(CMOS)-instellingen verkeerd kan ernstige problemen veroorzaken die uw
computer kunnen voorkomen kunnen opstarten. Microsoft
kan niet garanderen dat problemen die voortkomen uit het configureren
van het BIOS / CMOS-instellingen kunnen worden opgelost. Wijzigingen van de instellingen zijn op eigen risico.
Hardwired to modem or router? Router = check connection to router (had a router die on me last fall - not AC supply) IP should be 192.168.1.xx or 192.168.2.xx (is standard) Reset Router = reset hole on back - hold for 10 sec Modem= same directions as router (most modems work like single port routers) (do reset of cable modem, I've had that prob too) Using PPOE connection = check log on info Took most of my home network apart to find it was the modem causing the problem - should've started there.
if you are talking about the dvd writer from the laptop...it is possible that you didnt got the right driver ..or you disabled it by mistake ...try to get into bios and enable it if you locate it there ,,,if not just remove the bios battery ...to get it to factory defaults...this can be done from Bios too ...but Im not sure if it will restore the disabled drives when you access the feature for optimal defaults into Bios...try anyway and let me know what you've done ... there is the possibility that its broke ...but its a long shoot ..cause they usually do not die suddenly ..but loose a function at the time ...so ...I know that ya at least use d it to install windows 7 cause this one can not be installed but from the disk ...so something is wrong and the thing is that is disabled for sure ... reinstalling from scratch will fix this too ...cause in all windows there are drivers fo dvd drives...
just insert the bios system > change harddrive option- ATA to SATA > go to boot sequence in bios > change the booting system - cdrom come first after that HDD > press F10 for saving> and install your vista
disconnect all external peripherals conencted to the computer then retry to boot to safe mode. If no go, then try to get to the bios page, if you can go to bios, then you have no choice but toreinstall windows, if you cannot go to bios page, its a hardware problem.